WebNov 4, 2024 · This sequence has exactly 2N2N subsequences. Chef considers a subsequence of AA interesting if its size is exactly KK and the sum of all its elements is minimum possible, i.e. there is no subsequence with size KK which has a smaller sum. Help Chef find the number of interesting subsequences of the sequence AA. Input WebNov 4, 2024 · This sequence has exactly 2N2N subsequences. Chef considers a subsequence of AA interesting if its size is exactly KK and the sum of all its elements is …
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WebGiven a binary string S. The task is to count the number of substrings that start and end with 1. For example, if the input string is “00100101”, then there are three substrings “1001”, “100101” and “101 WebThe first line contains a single positive integer t ( 1 ≤ t ≤ 300 ) — the number of test cases in the test. Then t test cases follow. The first line of each test case contains an integer n ( 1 ≤ n ≤ 300 ) — the length of the sequence written on the whiteboard. The next line contains n integers b 1, b 2, …, b n ( 1 ≤ b i ≤ 10 9 ... does africa have mountains
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WebAug 24, 2024 · Given an array arr [] of length N, the task is to find the length of the largest sub-sequence with non-negative sum. Examples: Input: arr [] = {1, 2, -3} Output: 3 The complete array has a non-negative sum. Input: arr [] = {1, 2, -4} Output: 2 {1, 2} is the required subsequence. WebComputer Science. Computer Science questions and answers. You are given a sequence A=(a(1), a(2), ..., a(n)) of length n,where all a(i) are positive integers. Consider all … WebThis type of sequence is called an arithmetic sequence. Definition: An arithmetic sequence is a sequence of the form . a, a + d, a + 2d, a + 3d, a + 4d, … The number a is the first … does africa have internet