1.cpp

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int INF = 0x3f3f3f3f;
const int MAXI = 1e7+5;

int main()
{
    int a = 10;
    cout << a << endl;
    cin >> a;
	cout << "hello world!";
	return 0;
}

/*
    ios::sync_with_stdio(false); //关闭同步
    freopen("1.in","r",stdin);
    freopen("1.out","w",stdout);
    #pragma comment(linker, "/STACK:102400000,102400000")  // c++手动扩栈

    int size = 256 << 20; // g++手动扩栈 256MB
    char *p = (char*)malloc(size) + size;
    __asm__("movl %0, %%esp\n" :: "r"(p));
    
    #ifndef ONLINE_JUDGE
        freopen("1.in", "r", stdin);
        freopen("1.out", "w", stdout);
        long _begin_time = clock();
    #endif
    //there is code...
    #ifndef ONLINE_JUDGE
        long _end_time = clock();
        printf("time = %ld ms\n", _end_time - _begin_time);
    #endif
*/