Submission #787753

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
787753	2023-07-19 12:10:11	WLZ	Sandcastle 2 (JOI22_ho_t5)	C++17	15 / 100	5064 ms	230416 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
 
const int INF = 0x3f3f3f3f;
 
const vector<int> dx = {1, -1, 0, 0};
const vector<int> dy = {0, 0, 1, -1};
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int h, w;
  cin >> h >> w;
  vector< vector<int> > grid(h + 2, vector<int>(w + 2));
  map<int, int> cmp_mp;
  for (int i = 1; i <= h; i++) for (int j = 1; j <= w; j++) cin >> grid[i][j], cmp_mp[grid[i][j]] = -1;
  int cnt = 1;
  for (auto &p : cmp_mp) p.second = cnt++;
  for (int i = 1; i <= h; i++) for (int j = 1; j <= w; j++) grid[i][j] = cmp_mp[grid[i][j]];
  if (h < w) {
    vector< vector<int> > grid2(w + 2, vector<int>(h + 2));
    for (int i = 1; i <= h; i++) for (int j = 1; j <= w; j++) grid2[j][i] = grid[i][j];
    swap(grid2, grid); swap(h, w);
  }
  vector< vector< vector<int> > > in_deg(81, vector< vector<int> >(h + 2, vector<int>(w + 2, 0)));
  vector< vector<int> > used(h + 2, vector<int>(w + 2, 0));
  for (int type = 0; type < 81; type++) {
    vector<int> t(4);
    for (int i = 0, tmp = type; i < 4; i++) t[i] = tmp % 3, tmp /= 3;
    for (int r = 1; r <= h; r++) {
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:79:8: warning: variable 'brute_force' set but not used [-Wunused-but-set-variable]
   79 |   auto brute_force = [&](int r1, int c1, int r2, int c2) {
      |        ^~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 10 / 10
• Subtask 3: 5 / 5
• Subtask 4: 0 / 56
• Subtask 5: 0 / 20