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Submission #716567

# Submission time Handle Problem Language Result Execution time Memory
716567 2023-03-30T11:09:01 Z NintsiChkhaidze Star triangles (IZhO11_triangle) C++14
100 / 100
 322 ms 15572 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define f first
#define s second
#define int ll
using namespace std;

const int inf = 1e9,N = 3e5+5,mod = 998244353;

int x[N],y[N];
map <int,int> cx,cy;

signed main() {
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
    int n;
    cin>>n;

    for (int i = 1; i <= n; i++){
        cin>>x[i]>>y[i];
        cx[x[i]]++;
        cy[y[i]]++;
    }

    int ans=0;
    for (int i=1;i<=n;i++){
        ans += (cx[x[i]] - 1)*(cy[y[i]] - 1);
    }
    cout<<ans;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 6 ms 1236 KB Output is correct
13 Correct 5 ms 1236 KB Output is correct
14 Correct 10 ms 1748 KB Output is correct
15 Correct 137 ms 7892 KB Output is correct
16 Correct 155 ms 8260 KB Output is correct
17 Correct 105 ms 8012 KB Output is correct
18 Correct 109 ms 7884 KB Output is correct
19 Correct 294 ms 14764 KB Output is correct
20 Correct 195 ms 11740 KB Output is correct
21 Correct 322 ms 15568 KB Output is correct
22 Correct 318 ms 15572 KB Output is correct