Submission #976249

#	Time	Username	Problem	Language	Result	Execution time	Memory
976249		suhu88	Trol (COCI19_trol)	C++14	20 / 50	1095 ms	600 KiB

trol

#include<bits/stdc++.h>
#define suhu ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef long long ll;
const ll MAXN=2505;
const ll mod=1e9+7;
ll n;
int main(){
	suhu
	cin>>n;
	while(n--){
		ll ans=0;
		ll l,r;cin>>l>>r;
		for(int i=l;i<=r;i++){
			if(i%9==0){
				ans+=9;
			}
			else ans+=i%9;
		}
		cout<<ans<<"\n";
	}
	return 0;
}

• Subtask 1: 20 / 50