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Submission #1110797

# Submission time Handle Problem Language Result Execution time Memory
1110797 2024-11-10T13:49:31 Z HasanV11010238 Star triangles (IZhO11_triangle) C++17
100 / 100
 735 ms 39148 KB 
#include <bits/stdc++.h>
using namespace std;
#define ld long double
#define ll long long
int main(){
    int n, x, y;
    cin>>n;
    set<vector<int>> se;
    for (int i = 0; i < n; i++){
        cin>>x>>y;
        se.insert({x, y});
    }
    map<int, ll> mx, my;
    for (auto el : se){
        mx[el[0]]++;
        my[el[1]]++;
    }
    ll ans = 0;
    for (auto el : se){
        ans += (mx[el[0]] - 1) * (my[el[1]] - 1);
    }
    cout<<ans;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 504 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 18 ms 2024 KB Output is correct
13 Correct 14 ms 2128 KB Output is correct
14 Correct 18 ms 2472 KB Output is correct
15 Correct 211 ms 15932 KB Output is correct
16 Correct 218 ms 16968 KB Output is correct
17 Correct 202 ms 15748 KB Output is correct
18 Correct 210 ms 15688 KB Output is correct
19 Correct 635 ms 36468 KB Output is correct
20 Correct 400 ms 27536 KB Output is correct
21 Correct 715 ms 39148 KB Output is correct
22 Correct 735 ms 39148 KB Output is correct