Submission

Score: 0

User: Putter53fr

Problemset: เรียงสตริง

Language: cpp

Time: 0.003 second

Submitted On: 2026-07-02 20:11:25

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#include <iostream>
#include <set>
#include <algorithm>
using namespace std;
int main()
{
string n;
cin>>n;
char h = n.back();
n.pop_back();
string b = n;
reverse(b.begin(), b.end());
int c=0;
for (int i=0;i<b.length();i++) {
    int d;
    string e;
    d = b[i] - '0';
    if (i % 2 == 0) {
        d = d * 2;
    }
    if (d < 10) {
        c += d;
    }
    else if (d >= 10) {
        e = to_string(d);
        for (int k=0; k<e.length();k++) {
           c += e[k] - '0'; 
        }
    }
}
int f = (10 - (c % 10)) % 10;
string g = to_string(f);
if (g[0] == h) {
    cout<<"yes";
}
else {
    cout<<"no";
}
}