Submission #533870

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
533870	2022-03-07 13:56:41	gilbirb	Collecting Mushrooms (NOI18_collectmushrooms)	C++14	60 / 100	2077 ms	6496 KiB

mushrooms

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#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
typedef long long ll;
using namespace std;
ll r, c, d, k, ans;
int dx[4] = {1,-1,0,0};
int dy[4] = {0,0,-1,1};
ll grid[10000][10000];
bool inside(ll x, ll y){
  return (x >= 1 && y >= 1 && x <= r && y <= c);
}
void check(ll x, ll y){
  ll x1, x2, y1, y2;
  x1 = x-d; x2 = x+d; y1 = y-d; y2 = y+d;
//  cout << x1 << " " << x2 << " " << y1 << " " << y2 << "\n";
  for(int i = x1; i <= x2; i++){
    for(int j = y1; j <= y2; j++){
      if(!inside(i,j)) continue;
      if(grid[i][j] != -1){
        grid[i][j]++;
        if(grid[i][j] == k){
          ans++;
        }
      }
    }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 18 / 18
• Subtask 4: 23 / 23
• Subtask 5: 0 / 19
• Subtask 6: 0 / 21