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Submission #976435

# Submission time Handle Problem Language Result Execution time Memory
976435 2024-05-06T14:52:47 Z vjudge1 Trol (COCI19_trol) C++17
10 / 50
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main()
{
    int q;
    cin >> q;
    
    while (q--) {
    	ll l, r;
    	cin >> l >> r;
    	int ans = 0;
    	
    	
    	ll selisih = (r-l)/9;
    	int sisa = (r-l)%9;
    	int hah = l%9;
    	
    	
    	for (int i=hah;i<=8+hah;i++) {
    		if (i == 0) {
    			ans += 9*selisih;
			}
			else {
				ans += i*selisih;
			}
    		
		}
    	
		for (int i=hah;i<=(hah)+sisa;i++) {
			if (i == 0) {
				ans += 9;
			}
			else {
				ans += i;
			}
		}
			
    	cout << ans << endl;
	}
    
    
    
    
    return 0;
}

Subtask #1
10.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Incorrect 1 ms 344 KB Output isn't correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Incorrect 1 ms 348 KB Output isn't correct