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Submission #975675

# Submission time Handle Problem Language Result Execution time Memory
975675 2024-05-05T17:18:48 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 432 KB 
#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main(){
    ll q; cin >> q;
    for(int i = 0; i < q; i++){
        ll left, right;
        cin >> left >> right;
        ll hasil = 0;
        ll kepake_kok = (right - left) / 9;
        // cerr << kepake_kok << endl;
        hasil += kepake_kok * 45;
        ll idx = right - (kepake_kok * 9);
        while(idx >= left){
            if(idx % 9 == 0){
                hasil += 9;
            }else{
                hasil += idx % 9;
            }
            // cerr << hasil << endl;
            idx--;
        }
        cout << hasil << endl;
    }

    return 0;
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 432 KB Output is correct