Multiple of 9
Problem LinkSolution by Mr.Olimpia — 100 pts
Code / Notes
#include <bits/stdc++.h>
using namespace std;
// https://ide.usaco.guide/Ov5Bu8j7yJ_6itiOaT2
// P[3] = 5 -> o pai do 3 é o 5
// P[3] = -1 -> 3 não tem pai
int main() {
string n;
cin >> n;
int ans=0;
for(int i=0; i < n.size(); i++){
ans = ans + n[i]-'0';
}
int x=ans/9;
if(x*9==ans){
cout << "Yes";
}
else{
cout << "No";
}
}
Last updated 1 month, 3 weeks ago