AC
```cpp
#include <iostream>
using namespace std;
int main(){
int sum=0,n,d=0;
cin>>n;
int sum1=0;
for (int i=1;i<n;i++){
d=0;
if (i==1)d++;
else {
for (int o=2;o<i;o++){
if (i==1){
d++;
break;
}
else if (i==2)d=0;
else if (i%o==0){
d++;
break;
}
}
}
if (sum1+i>n){
break;
}
else{
if (d==0) {
sum++;
sum1+=i;
cout<<i<<endl;
}
}
}
cout<<sum;
}
by HEROBRINEH @ 2024-03-24 11:59:07
@[HEROBRINEH](/user/1113507) tank,此贴结
by Nova_620827 @ 2024-04-03 20:20:43