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Submission #205145

# Submission time Handle Problem Language Result Execution time Memory
205145 2020-02-28T07:31:16 Z mraron Trol (COCI19_trol) C++14
50 / 50
 6 ms 380 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
	int T;
	cin>>T;
	while(T--) {
		ll l,r;
		cin>>l>>r;
		ll ans=0;
		//0 1 2 3 4 5 6 7 8
		while(l<=r && l%9!=0) {
			ans+=(l%9==0?9:l%9);
			l++;
		}
		while(l<=r && r%9!=8) {
			ans+=(r%9==0?9:r%9);
			r--;
		}
		ans+=(r-l+1)*5;
		cout<<ans<<"\n";
	}
	return 0;
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 364 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 6 ms 380 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct