代码

#include<bits/stdc++.h>
using namespace std;
int a[100009];
int main(){
	int i;
	for(i=1;i<=10000001;++i)a[i]=i;
	srand(time(0));
	random_shuffle(a+1,a+10000001+1);
	for(i=1;i<=100001;++i)cout<<a[i]<<' ';
	return 0;
}

评测结果