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Submission #725431

# Submission time Handle Problem Language Result Execution time Memory
725431 2023-04-17T12:10:44 Z kerem Trol (COCI19_trol) C++14
50 / 50
 1 ms 212 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define fir first
#define sec second
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

int32_t main(){
    int q;
    cin >> q;
    while(q--){
        int l,r,ans=0;
        cin >> l >> r;
        if((r-l+1)%9==0){
            ans=(r-l+1)*5;
            cout << ans << endl;
        }
        else{
            ans=(r-l+1)/9*45;
            int t=(r-l+1)%9;
            while(t--){
                if(l%9==0)
                    ans+=9;
                else
                    ans+=l%9;
                l++;
            }
            cout << ans << endl;
        }
    }
    return 0;
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct