此模板限于MAC上的Clion
C++ 模 板
#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
#define INF 1e7
#define N 100010
#define M 100010
int main() {
int n, m;
freopen("../test.txt", "r", stdin);
while( ~scanf("%d%d", &n, &m) ){
printf("%d %d\n", n, m);
}
return 0;
}