Submission #977212

#	Time	Username	Problem	Language	Result	Execution time	Memory
977212		vjudge1	Trol (COCI19_trol)	C++17	30 / 50	1081 ms	348 KiB

trol

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

int main(){
	int n;
	cin>>n;
	while(n--){
		ll l,r;
		cin>>l>>r;
		ll ans=0;
		for(ll i=l;i<=r;i++){
		if(i%9==0)ans+=9;
		else ans+=i%9;	
		}
		cout<<ans<<endl;
	}
}

• Subtask 1: 30 / 50