PrefixMaxProduct coding task - Learn to Code

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

int solution(char *S);

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

int solution(string &S);

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

class Solution { public int solution(string S); }

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

func Solution(S string) int

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

class Solution { public int solution(String S); }

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

class Solution { public int solution(String S); }

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

function solution(S);

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

fun solution(S: String): Int

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

function solution(S)

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

int solution(NSString *S);

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

function solution(S: PChar): longint;

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

function solution($S);

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

sub solution { my ($S)=@_; ... }

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

def solution(S)

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

def solution(s)

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

object Solution { def solution(s: String): Int }

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

public func solution(_ S : inout String) -> Int

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

A prefix of a string S is any leading contiguous part of S. For example, "c" and "cod" are prefixes of the string "codility". For simplicity, we require prefixes to be non-empty.

The product of prefix P of string S is the number of occurrences of P multiplied by the length of P. More precisely, if prefix P consists of K characters and P occurs exactly T times in S, then the product equals K * T.

For example, S = "abababa" has the following prefixes:

"a", whose product equals 1 * 4 = 4,

"ab", whose product equals 2 * 3 = 6,

"aba", whose product equals 3 * 3 = 9,

"abab", whose product equals 4 * 2 = 8,

"ababa", whose product equals 5 * 2 = 10,

"ababab", whose product equals 6 * 1 = 6,

"abababa", whose product equals 7 * 1 = 7.

The longest prefix is identical to the original string. The goal is to choose such a prefix as maximizes the value of the product. In above example the maximal product is 10.

In this problem we consider only strings that consist of lower-case English letters (a−z).

Write a function

Private Function solution(S As String) As Integer

that, given a string S consisting of N characters, returns the maximal product of any prefix of the given string. If the product is greater than 1,000,000,000 the function should return 1,000,000,000.

For example, for a string:

S = "abababa" the function should return 10, as explained above,

S = "aaa" the function should return 4, as the product of the prefix "aa" is maximal.

Write an efficient algorithm for the following assumptions:

N is an integer within the range [1..300,000];

string S consists only of lowercase letters (a−z).

PrefixMaxProduct

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