問題：A - AtCoder社の給料 #include <cstdio> #include <iostream> using namespace std; int main(void){ int n; double sum = 0.0; scanf ("%d", &n); for (int i = 1; i <= n; ++i) { sum += 10000 * i * (1 / (double) n); } printf ("%d\n", (int) sum); } 10000の箇所を</iostream></cstdio>…