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Submission #971284

# Submission time Handle Problem Language Result Execution time Memory
971284 2024-04-28T10:47:57 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 348 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    int q;
    cin>>q;
    while(q--){
        int l,r;
        cin>>l>>r;
        int kali=(r-l+1)/9;
        int sisa=(r-l+1)-(kali*9);

        int mulai=l%9;
        if(mulai==0){
            mulai=9;
        }
        int ans=kali*45;
        for(int k=1;k<=sisa;k++){
            ans+=mulai;
            mulai++;
            if(mulai>9){
                mulai=1;
            }
        }
        cout<<ans<<'\n';
    }
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct