From a C++ program remove all the comments. The program source is an array where source[i] is the i-th line of source code. The array repres...
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Showing posts with label string. Show all posts
Showing posts with label string. Show all posts
Can make palindrome from substring
We are given a string s, we make queries on it. For each query queries[i] = [left,right,x], the substring from s[left] to s[right] can be r...
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Sum of Subarray Minimums
Given an array A of integers, find the sum of min(B), where B ranges over every (contiguous) subarray of A. Since the answer may be large, r...
