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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6.     ios::sync_with_stdio(false); cin.tie(0);
  7.     int n; cin >> n;
  8.     vector< vector<int> > a(401, vector<int>(401, 0));
  9.     while (n--) {
  10.         int u, v, c; cin >> u >> v >> c;
  11.         a[u + 200][v + 200] = 1 << (c - 1);
  12.     }
  13. #define rep(i, a, b) for (int i=a; i<=b; i++)
  14. #define LL long long
  15.     LL res = 0;
  16.     rep(i, 0, 400) rep(j, 0, i) {
  17.         vector<LL> f(16, 0);
  18.         rep(k, 0, 400) if (a[i][k] && a[j][k] && a[i][k] != a[j][k]) {
  19.             int c = a[i][k] | a[j][k];
  20.             res += f[15 - c];
  21.             f[c]++;
  22.         }
  23.     }
  24.     cout << res;
  25.     return 0;
  26. }
  27.  
Runtime error #stdin #stdout 0s 15904KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/3CNdZR
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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