Submission #971917

#	Time	Username	Problem	Language	Result	Execution time	Memory
971917		vjudge1	Trol (COCI19_trol)	C++17	0 / 50	1 ms	348 KiB

trol

#include <bits/stdc++.h>
using namespace std;
long long Q,L,R;
int main(){
    cin>>Q;
    for(long long i=1;i<=Q;i++){
        cin>>L>>R;
        //Cari dari 1-R
        long long A = ((R/9)*45)+((R%9)*(R%9+1)/2);
        
        //Cari Selisih/1-L
        long long B = (((L-1)/9)*45)+((((L-1)%9)/2)*(((L-1)%9)+1));
        cout<<A-B<<"\n";
    }
}

• Subtask 1: 0 / 50