oj.uz

Submission #624504

# Submission time Handle Problem Language Result Execution time Memory
624504 2022-08-08T11:00:09 Z MilosMilutinovic Topovi (COCI15_topovi) C++14
120 / 120
 1048 ms 33560 KB 
/**
 *    author:  wxhtzdy
 *    created: 07.08.2022 16:59:44
**/
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);  
  int n, k, p;
  cin >> n >> k >> p;
  long long ans = n * n;
  map<int, int> cx;
  map<int, int> cy;
  cx[0] = n;   
  cy[0] = n;
  map<int, int> xs;
  map<int, int> ys;
  map<pair<int, int>, int> val;
  function<void(int, int, int)> Add = [&](int x, int y, int v) {
    ans -= cx[ys[y]];
    ans -= cy[xs[x]];
    val[{x, y}] = v;
    cx[xs[x]] -= 1;
    cy[ys[y]] -= 1;
    xs[x] ^= v;
    ys[y] ^= v;
    cx[xs[x]] += 1;
    cy[ys[y]] += 1;
    ans += cx[ys[y]];
    ans += cy[xs[x]];
  };
  function<void(int, int, int)> Remove = [&](int x, int y, int v) {
    ans -= cx[ys[y]];
    ans -= cy[xs[x]];
    val[{x, y}] = 0;
    cx[xs[x]] -= 1;
    cy[ys[y]] -= 1;
    xs[x] ^= v;
    ys[y] ^= v;
    cx[xs[x]] += 1;
    cy[ys[y]] += 1;
    ans += cx[ys[y]];
    ans += cy[xs[x]];
  };
  for (int i = 0; i < k; i++) {
    int x, y, a;
    cin >> x >> y >> a;
    Add(x, y, a);
  }
  ans = 0;
  for (auto& p : cx) {
    ans += p.second * 1LL * cy[p.first];
  }
  while (p--) {
    int xa, ya, xb, yb;
    cin >> xa >> ya >> xb >> yb;
    Add(xb, yb, val[{xa, ya}]);
    Remove(xa, ya, val[{xa, ya}]);
    cout << n * 1LL * n - ans << '\n';
  }                                                                  
  return 0;
}

Subtask #1
120.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 99 ms 5308 KB Output is correct
7 Correct 79 ms 4672 KB Output is correct
8 Correct 66 ms 3884 KB Output is correct
9 Correct 66 ms 3984 KB Output is correct
10 Correct 71 ms 4192 KB Output is correct
11 Correct 916 ms 33448 KB Output is correct
12 Correct 957 ms 33464 KB Output is correct
13 Correct 920 ms 33424 KB Output is correct
14 Correct 923 ms 33452 KB Output is correct
15 Correct 981 ms 33560 KB Output is correct
16 Correct 985 ms 33376 KB Output is correct
17 Correct 1048 ms 33456 KB Output is correct
18 Correct 990 ms 33388 KB Output is correct
19 Correct 917 ms 33364 KB Output is correct
20 Correct 959 ms 33420 KB Output is correct