Submission #1232774

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232774		billylolwkwk	Trol (COCI19_trol)	C++20	50 / 50	0 ms	328 KiB

trol

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define dbg(x) cout<<#x<<" = "<<x<<endl
ll q,l,r,a;
signed main(){
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>q;while(q--){
		cin>>l>>r;a=(r-l+1)/9*45;
		// 'l' BERALIH FUNGSI MENJADI SISA MOD
		l =r-((r-l+1)%9);
		while(r>l){a+=r%9;if(r%9==0)a+=9;r--;}
		cout<<a<<'\n';
	}return 0;
} 

• Subtask 1: 50 / 50