代码

#include <bits/stdc++.h>
using namespace std;
#define clr(a) memset(a, 0, sizeof(a))
#define full(a) memset(a, 0x3f, sizeof(a))
#define fornext(x, i) for(int i = head[x], y = ver[i]; i; i = nxt[i], y = ver[i])
#define mset(a, b) memset(a, b, sizeof(a))
#define Rep(i, a, b) for(int i = (a); i <= (b); ++i)
#define dRep(i, a, b) for(int i = (a); i >= (b); --i)
#define IOset(a) freopen(a".in", "r", stdin), freopen(a".out", "w", stdout);
#define endl '\n'
#define un unsigned
#define ll long long
#define db double
#define rept cerr<<1.0*clock()/CLOCKS_PER_SEC<<endl;
#define dbg cout<<"c "
#define dbug(x) cerr << #x " = " << (x) << endl
template<typename _T> inline void _prt(_T _d) { cerr << _d << ' '; }
template <typename _T, typename ...Args> inline void _prt(_T _d, Args ..._a) { _prt(_d), _prt(_a...); }
template <typename _T, typename ...Args> inline void prt(_T _d, Args ..._a) { _prt(_d), _prt(_a...), cerr << endl; }
template <typename _T, typename ...Args> inline void prt(_T _d) { cerr << _d << endl; }
template<typename _T> inline void rd(_T &_d) {
	signed _f; char _c; _f = _d = 0; while (_c = getchar(), !isdigit(_c)) _f = _f || (_c == '-');
	while (isdigit(_c)) _d = _d * 10 + _c - '0', _c = getchar();
	_d = (_f ? -_d : _d);
}
template <typename _T, typename ...Args> inline void rd(_T &_d, Args &..._a) { rd(_d); rd(_a...); }

map<int,int> m;

signed main() {
	Rep(i,1,1e6) m[i]=int(i);
	
    return 0;
}

评测结果