#include<bits/stdc++.h>
using namespace std;
int x,n,user;
bool arr[100000001];
int brr[100000001];
int main(){
std::ios::sync_with_stdio(0);
cin>>x>>n;
arr[1]=1;
int c=1;
for(int i=2;i<=x;i++){//筛
if(!arr[i]){
brr[c] = i;
c++;
for(int j=2;j*i<=x;j++){
arr[j*i]=1;
}
}
}
for(int i=1;i<=n;i++){//找
user = 0;
cin>>user;
cout<<brr[i];
}
return 0;
}
调了俩小时了,救救孩子吧
评测记录