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Submission #167475

# Submission time Handle Problem Language Result Execution time Memory
167475 2019-12-08T16:16:47 Z Toirov_Sadi Star triangles (IZhO11_triangle) C++17
0 / 100
 2000 ms 636 KB 
#include <bits/stdc++.h>

#define fr first
#define se second

using namespace std;

const long long N = 3e5 + 7;
const long long inf = 1e9 + 7;
const long long mod = 1e9 + 7;

long long n;
long long res;
pair<long long, long long> d[N];
int main()
{
    /// freopen("input.txt", "r", stdin);
    /// freopen("output.txt", "w", stdout);

    ios_base::sync_with_stdio( false );

    cin >> n;
    for(int i = 1; i <= n; i ++){
        cin >> d[i].fr >> d[i].se;
    }
    for(int i = 1; i <= n; i ++){
        for(int j = 1; j <= n; j ++){
            for(int k = 1; k <= n; k ++){
                if(i == j || i == k || j == k){
                    continue;
                }
                pair<long long, long long> a = d[i];
                pair<long long, long long> b = d[j];
                pair<long long, long long> c = d[k];
                res += (a.fr == b.fr && b.se == c.se);
            }
        }
    }cout << res << "\n";
}

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 5 ms 504 KB Output is correct
8 Correct 23 ms 376 KB Output is correct
9 Correct 317 ms 476 KB Output is correct
10 Correct 861 ms 504 KB Output is correct
11 Correct 1821 ms 456 KB Output is correct
12 Execution timed out 2032 ms 636 KB Time limit exceeded
13 Halted 0 ms 0 KB -