Sicily 1020. Big Integer

#include <iostream>#include <string>using namespace std;int mod(string big, int basic){//int result;int len = big.length();int div = 0;for (int i = 0; i < len; ++i) {div = div * 10 + big[i] - '0';div %= basic;}return div;}int main(){int cases;cin >> cases;int basic[100];while (cases--) {int n;cin >> n;for (int i = 0; i < n; ++i) {cin >> basic[i];}string big_integer;cin >> big_integer;cout << '(';for (int i = 0; i < n; ++i) {if (i == n - 1) {cout << mod(big_integer, basic[i]) << ')' << endl;;} else {cout << mod(big_integer, basic[i]) << ',';}}}return 0;}