Question

2009年南海区青少年信息学奥林匹克竞赛复赛试题(初中组)

Answer 1

i.cpp

#include

using namespace std;

int main()

{

ifstream in("bri.in");

ofstream out("bri.out");

int I, ans = 0;

in >> I;

for (int i = 1; i