题解 | 完数VS盈数

#include <stdio.h>
using namespace std;
#include<vector>
int sum(int n){
    int sum=0;
    for(int i=1;i<n;++i){
        if(n%i==0){
            sum=sum+i;
        }
    }
    return sum;
}
int main() {
    vector<int> Evec;
    vector<int> Gvec;
    for(int i=2;i<=60;++i){
        if(i== sum(i)){
            Evec.push_back(i);
        }else if(i< sum(i)){
            Gvec.push_back(i);
        }
    }
    printf("E:");
    vector<int>::iterator it;
    for(it=Evec.begin();it!=Evec.end();++it){
        printf(" %d",*it);
    }
    printf("\n");
    printf("G:");
    for(it=Gvec.begin();it!=Gvec.end();++it){
        printf(" %d",*it);
    }
    printf("\n");
    return 0;
}