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답안 #975441

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
975441 2024-05-05T07:50:56 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define AC ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define fs first
#define sc second
#define pb push_back


ll n, l, r;
int t;

void buat(ll l, ll r){
    ll selisih = r-l+1;
    ll ans = (selisih/9)*45;

    if(selisih%9 == 0){
        cout << ans << endl;
        return;
    }else {
        selisih %= 9;
        for(int i=0; i<selisih; i++, l++){
            if(l%9==0){
                ans +=9;
            }else ans += l%9;
        }
        cout << ans << endl;
        return;
    }


}
int main() {   
    AC
    cin >> t;
    while(t--){
        cin >> l >> r;
        buat(l, r);
    }
}

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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct