Azquelt
public c v1 · immutable#include <cstdio>int sumto(int n){ return (n+1)*n/2;}int main(){ int top = 1000000; printf("%d\n", sumto(top/3)*3+sumto(top/5)*5-sumto(top/15)*15); return 0;}#include <cstdio>int sumto(int n){ return (n+1)*n/2;}int main(){ int top = 1000000; printf("%d\n", sumto(top/3)*3+sumto(top/5)*5-sumto(top/15)*15); return 0;}