Submission #1259845

#	Time	Username	Problem	Language	Result	Execution time	Memory
1259845		khaerulmamu	Trol (COCI19_trol)	C++20	0 / 50	1096 ms	328 KiB

trol

#include <bits/stdc++.h>
using namespace std;
#define ll long long


int main (){
    int Q;
    cin >> Q;
    while (Q--){
        ll l ,r;
        cin >> l >> r;
        ll dif = r-l+1;
        int a=l%9;
        ll ans=0;
        for(int i=0; i<dif; i++){
            ans+=a%9;
            a++;
        }
        cout << ans <<endl;
    }
}

• Subtask 1: 0 / 50