Submission #1253004

#	Time	Username	Problem	Language	Result	Execution time	Memory
1253004		fahriegegokaydin	Trol (COCI19_trol)	C++20	50 / 50	0 ms	328 KiB

trol

#include<bits/stdc++.h>
#define ll long long int 
using namespace std;
int main()
{
    int Q;
    cin >>Q;
    while(Q--){
        ll l,r,d;
        cin>>l>>r;
        d=(r-l+1)/9;
        l+=d*9;
        d*=45;
        for(;l<=r;l++){
            if(l%9==0)  d+=9;
            else        d+=l%9;
        }
        cout<<d<<"\n";
        
    }
    
}

• Subtask 1: 50 / 50