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Submission #976037

# Submission time Handle Problem Language Result Execution time Memory
976037 2024-05-06T05:44:34 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 348 KB 
#include <bits/stdc++.h>
#define int long long
#define ld long double
using namespace std;
const int N=1e9;

signed main(){
    int a; cin>>a;
    for (int i=0;i<a;i++){
        int x,y,ansx=0,ansy=0;
        cin>>x>>y;
        ansx=((x-1)/9)*45;
        ansy=(y/9)*45;

        for (int j=1; j<=((x-1)%9);j++){
            ansx+=j;
        }
        for (int k=1; k<=(y%9);k++){
            ansy+=k;
        }
        cout<<ansy-ansx<<endl;
    }
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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