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Submission #1100528

# Submission time Handle Problem Language Result Execution time Memory
1100528 2024-10-14T08:17:59 Z vjudge1 Star triangles (IZhO11_triangle) C++14
0 / 100
 2000 ms 2512 KB 
#include<bits/stdc++.h>
#define pb push_back
#define int long long
#define S second
#define F first
#define inputt freopen("input.txt","r",stdin);freopen("outut.txt","w",stdout);
#define ahah ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;

const int N=1e6+7;
const int MOD=1e9+7;

int x[N],y[N];

signed main() {
	ahah
	int n;
	cin >> n;
	for(int i = 1 ; i <= n ; i++){
		cin >> x[i] >> y[i];
	}
	int ans=0;
	for(int i = 1 ; i <= n ; i++){
		for(int j = i+1 ; j <= n ; j++){
			for(int k = j+1 ; k <= n ; k++){
				set<int>xax;
				set<int>yax;
				xax.insert(x[i]);
				xax.insert(x[j]);
				xax.insert(x[k]);
				yax.insert(y[i]);
				yax.insert(y[j]);
				yax.insert(y[k]);
				if(xax.size() == 2 and yax.size() == 2){
					ans++;
				}
			}
		}
	}
	cout << ans;
}

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2504 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2512 KB Output is correct
5 Correct 1 ms 2420 KB Output is correct
6 Correct 3 ms 2388 KB Output is correct
7 Correct 22 ms 2388 KB Output is correct
8 Correct 146 ms 2508 KB Output is correct
9 Execution timed out 2082 ms 2388 KB Time limit exceeded
10 Halted 0 ms 0 KB -