题解 | #小红的三倍数#看没人水一篇
小红的三倍数
https://ac.nowcoder.com/acm/problem/275612
#include<bits/stdc++.h>
using namespace std;
int comput(const string& num){
int sum = 0;
for(char digit:num){
sum += digit- '0';
}
return sum;
}
int main(){
int n;
cin>>n;
int total = 0;
string nums;
while(n--){
cin>>nums;
total += comput(nums);
}
cout << (total % 3 == 0 ? "YES" : "NO") << endl;
return 0;
}
using namespace std;
int comput(const string& num){
int sum = 0;
for(char digit:num){
sum += digit- '0';
}
return sum;
}
int main(){
int n;
cin>>n;
int total = 0;
string nums;
while(n--){
cin>>nums;
total += comput(nums);
}
cout << (total % 3 == 0 ? "YES" : "NO") << endl;
return 0;
}
