UVA 913 - Joana and the Odd Numbers

Problem PDF Solution: #include int main() { long long n; while (scanf("%lld",&n)==1) printf("%lld\n",((n*(n+2))/2)*3-6); return 0; } https://github.com/Shipu/OnlineJudgeProblemSolutionWithCPlusPlus/tree/master/uva/913/913.cpp