oj.uz

답안 #976805

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
976805 2024-05-07T06:45:45 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 348 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;

int main(){
    ll q; cin>>q;
    for(ll i=1; i<=q; i++){
        ll L,R;
        cin>>L>>R;
        ll jarak=(R-L+1);
        ll ans=(jarak/9)*45;
        ll sisa=jarak%9;
        ll start=L%9;
        if(start==0){
            start=9;
        }
        while(sisa--){
            ans+=start;
            start++;
            start=start%9;
            if(start==0){
                start=9;
            }
        }
        cout<<ans<<endl;
    }
}

Subtask #1
50.0 / 50.0

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