Submission #1111548

#	Time	Username	Problem	Language	Result	Execution time	Memory
1111548		SalihSahin	Seats (IOI18_seats)	C++14	Compilation error	0 ms	0 KiB

seats

#include <bits/stdc++.h>
#define pb push_back
#include "seats.h"
using namespace std;

vector<pair<int, int> > pos;

void give_initial_chart(int H, int W, vector<int> R, vector<int> C){
  pos.resize(H * W);

  for(int i = 0; i < H; i++){
    for(int j = 0; j < W; j++){
      pos[R[i * W + j] * W + C[i * W + j]] = {i, j};
    }
  }
}

int swap_seats(int a, int b) {
  swap(pos[a], pos[b]);

  int mnx = h + w, mxx = 0, mny = h + w, mxy = 0;
  int ans = 0;
  for(int i = 0; i < pos.size(); i++){
    mnx = min(mnx, pos[i].second);
    mxx = max(mxx, pos[i].second);
    mny = min(mny, pos[i].first);
    mxy = max(mxy, pos[i].first);

    if((mxx - mnx + 1) * (mxy - mny + 1) == (i + 1)){
      ans++;
    }
  }

  return ans;
}

Compilation message (stderr)

seats.cpp: In function 'int swap_seats(int, int)':
seats.cpp:21:13: error: 'h' was not declared in this scope
   21 |   int mnx = h + w, mxx = 0, mny = h + w, mxy = 0;
      |             ^
seats.cpp:21:17: error: 'w' was not declared in this scope
   21 |   int mnx = h + w, mxx = 0, mny = h + w, mxy = 0;
      |                 ^
seats.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i = 0; i < pos.size(); i++){
      |                  ~~^~~~~~~~~~~~
seats.cpp:25:5: error: 'mxx' was not declared in this scope; did you mean 'mnx'?
   25 |     mxx = max(mxx, pos[i].second);
      |     ^~~
      |     mnx
seats.cpp:26:5: error: 'mny' was not declared in this scope; did you mean 'mnx'?
   26 |     mny = min(mny, pos[i].first);
      |     ^~~
      |     mnx
seats.cpp:27:5: error: 'mxy' was not declared in this scope
   27 |     mxy = max(mxy, pos[i].first);
      |     ^~~