题解

#include<iostream>
using namespace std;
int main(){
    int n,sum=0;
    cin>>n;
    for(int i=1;i<=5;i++){
        sum+=n%10;
        n/=10;
    }
    cout<<sum;
    return 0;
}

#include<iostream>
using namespace std;
int main(){
    int n,sum=0,i=1;
    cin>>n;
    while(i<=5){
        sum+=n%10;
        n/=10;
        i++;
    }
    cout<<sum;
    return 0;
}