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답안 #974841

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
974841 2024-05-04T00:54:20 Z vjudge1 Trol (COCI19_trol) C++
10 / 50
 1 ms 600 KB 
#include <bits/stdc++.h>
using namespace std;
long long f(long long l,long long r){
    long long ret=0;
    long long awal=l;
    for (long long i = l; i<=r; i++)
    {
        ret+=i%9;
        awal=i;
        if(i%9==0){
            ret+=9;
            break;
        }
    }
    long long akhir=awal;
    for (long long i = r; i%9!=0 && i>awal; i--)
    {
        ret+=i%9;
        akhir=i;
    }
    awal++;
    if(r%9==0 ){
        ret+=((r-awal)/9)*45;
    }else{
        ret+=((akhir-awal)/9)*45;
    }
    return ret;
}
int main(){
    int q;
    cin>>q;
    while ( q--)
    {
        long long l,r;
        cin>>l>>r;
        cout<<f(l,r)<<endl;
    }
    
}

Subtask #1
10.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Incorrect 1 ms 348 KB Output isn't correct