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답안 #976645

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
976645 2024-05-06T23:49:43 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 348 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

ll hitung (ll x) {
    ll temp = 0;
    while (x>0) {
        temp+=x%10;
        x/=10;
    }
    if (temp>=10) {
        return hitung(temp);
    }
    return temp;
}

int main() {
    ll q;cin >> q;
    while (q--) {
        ll l, r; cin >> l >> r;
        ll ans = 0;
        ll jar = r-l+1;
        ll pol = jar/9;
        jar%=9;
        ans+=pol*45;
        while (jar--) {
            ans+=hitung(l);
            l++;
        }
        cout << ans << endl;
    }
    return 0;
}

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct