Submission #1156854

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1156854	2025-02-24 20:54:34	fryingduc	Furniture (JOI20_furniture)	C++20	0 / 100	1 ms	324 KiB

furniture

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#include "bits/stdc++.h"
using namespace std;
#ifdef duc_debug
#include "bits/debug.h"
#else
#define debug(...)
#endif
const int maxn = 1e3 + 3;
const int Q = 1e6 + 6;
int n, m, q;
bool a[maxn][maxn];
bool vis[maxn][maxn];
int diag[maxn * 2];
void del(int x, int y) {
  queue<pair<int, int>> qu;
  qu.push(make_pair(x, y));
  a[x][y] = 1;
  --diag[x + y];
  while (!qu.empty()) {
    int x = qu.front().first, y = qu.front().second;
    qu.pop();
    int r = x + 1, c = y;
    if (r >= 1 and r <= n and !a[r][c]) {
      if (a[r - 1][c] and a[r][c - 1]) {
        a[r][c] = 1;
        --diag[r + c];
        qu.push(make_pair(r, c));
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 95