Count Digits

You are given a string S. Count the number of occurrences of all the digits in the string S.     #include <iostream> using namespace std; int main() { int a = 0, b = 0, c = 0, d = 0, e = 0,f=0,g=0,h=0,i=0,j=0;     string s;     // Read given string from STDIN … Continue reading Count Digits


Life, the Universe, and Everything

Your program is to use the brute-force approach in order to find the Answer to Life, the Universe, and Everything. More precisely... rewrite small numbers from input to output. Stop processing input after reading in the number 42. All numbers at input are integers of one or two digits. //import for Scanner and other utility … Continue reading Life, the Universe, and Everything

Roy and Profile Picture

Roy wants to change his profile picture on Facebook. Now Facebook has some restriction over the dimension of picture that we can upload. Minimum dimension of the picture can be L x L, where L is the length of the side of square. Now Roy has N photos of various dimensions. Dimension of a photo … Continue reading Roy and Profile Picture

Count Divisors

You have been given 3 integers l, r and k. Find how many numbers between l and r (both inclusive) are divisible by k. You do not need to print these numbers, you just have to find their count. Input Format The first and only line of input contains 3 space separated integers l, r … Continue reading Count Divisors

Find Product

You have been given an array A of size N consisting of positive integers. You need to find and print the product of all the number in this array Modulo 10^9+7 . Input Format: The first line contains a single integer N denoting the size of the array. The next line contains N space separated … Continue reading Find Product