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Reverse a String Given a String S , print the reverse of the string as output. class Solution { public: string revStr(string S) { for(int i = 0, j= S.length()-1; i<j ;i++,j--) { swap(S[i], S[j]); } re...
Find minimum and maximum element in an array Given an array A of size N of integers. Your task is to find the minimum and maximum elements in the array. Example 1: Input: N = 6 A[] = {3, 2, 1, 56, 10000, 167} Output: 1 10000 Explanation: minimum and ...
450DSA Cracker Solution
Kth smallest element Given an array arr[] and an integer K where K is smaller than size of array, the task is to find the Kth smallest element in the given array. It is given that all array elements are distinct. Note :- l and r denotes the starting...
Move all negative elements to end Given an unsorted array arr[] of size n having both negative and positive integers. The task is place all negative element at the end of array without changing the order of positive element and negative element. Exam...
Cyclically rotate an array by one Given an array, rotate the array by one position in clock-wise direction. Example 1: Input: N = 5 A[] = {1, 2, 3, 4, 5} Output: 5 1 2 3 4 Example 2: Input: N = 8 A[] = {9, 8, 7, 6, 4, 2, 1, 3} Output: 3 9 8 7 6 4 ...
