Submission #807971

#	Time	Username	Problem	Language	Result	Execution time	Memory
807971		Minindu206	Seats (IOI18_seats)	C++14	11 / 100	4066 ms	24140 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> r, c;
vector<vector<int>> grid;
int h, w;
void give_initial_chart(int H, int W, vector<int> R, vector<int> C)
{
  h = H;
  w = W;
  r = R, c = C;
}

int swap_seats(int a, int b)
{
  swap(r[a], r[b]);
  swap(c[a], c[b]);
  int cmx = c[0], cmn = c[0], rmx = r[0], rmn = r[0];
  int ans = 1;

  // cout << rmx << " " << rmn << '\n';
  // cout << cmx << " " << cmn << '\n';
  // cout << '\n';

  for (int i = 1; i < h * w; i++)
  {
    cmx = max(cmx, c[i]), cmn = min(cmn, c[i]);
    rmx = max(rmx, r[i]), rmn = min(rmn, r[i]);
    // cout << rmx << " " << rmn << '\n';
    // cout << cmx << " " << cmn << '\n';
    // cout << '\n';
    int sz = (abs(rmx - rmn) + 1) * (abs(cmx - cmn) + 1);
    ans += (sz == i + 1);
  }
  return ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 0 / 20
• Subtask 4: 0 / 6
• Subtask 5: 0 / 33
• Subtask 6: 0 / 30