Questions on matrix level-2
Trapping rainwater // C++ program to find maximum amount of water that can // be trapped within given set of bars. #include <bits/stdc++.h> using namespace std; int findWater(int arr[], int n) { // left[i] contains height of tallest bar to the ...
Range sum queries using prefix sum Description : We are given an Array of n integers, We are given q queries having indices l and r . We have to find out sum between the given range of indices. Input [4, 5, 3, 2, 5] 3 0 3 2 4 1 3 Output 14 (4+5+3+...
Level-1 Question arrays
Level-2 questions for bit manipulation.
Level 1 question for bit manipulation
