chenzechuan

#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<cmath>
using namespace std;
int main(){
freopen("p1693.in","r",stdin);
freopen("p1693.out","w",stdout);
int s=0,i,j,n,x=0,k=0;
scanf("%d",&n);
for( i=2;i<=n;i++) {
k=0;
for(j=1;j<=int(i/2);j++)
if(i%j==0){
k=k+j;
}
if(k==i){
cout<<i<<endl;
x++;
}
}
fclose(stdin);
fclose(stdout);
return 0;
}
( )

chenzechuan

#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<cmath>
using namespace std;
int main(){
freopen("p1693.in","r",stdin);
freopen("p1693.out","w",stdout);
int s=0,i,j,n,x=0,k=0;
scanf("%d",&n);
for( i=2;i<=n;i++) {
k=0;
for(j=1;j<=int(i/2);j++)
if(i%j==0){
k=k+j;
}
if(k==i){
cout<<i<<endl;
x++;
}
}
fclose(stdin);
fclose(stdout);
return 0;
}
( )