ProjectEuler -01 Multiple of 3 and 5
PROBLEM : https://www.hackerrank.com/contests/projecteuler/challenges/euler001 If we list all the natural numbers below that are multiples of or , we get and . The sum of these multiples is . Find the sum of all the multiples of or below . Input Format First line contains that denotes the number of test cases. This is followed by lines, each containing an integer, . Constraints Output Format For each test case, print an integer that denotes the sum of all the multiples of or below . Sample Input 0 2 10 100 Sample Output 0 23 2318 Explanation 0 For , if we list all the natural numbers below that are multiples of or , we get and . The sum of these multiples is . Similarly for , we get . Solution : #include <iostream> using namespace std; int main () { int t; cin >> t; while (t -- ) { long long int n, x, y, z, m3, m5, m15, sum = 0 ; ...
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