Submission #904012

#	Time	Username	Problem	Language	Result	Execution time	Memory
904012		vjudge1	Zoo (COCI19_zoo)	C++17	45 / 110	2058 ms	12392 KiB

zoo

#include<bits/stdc++.h>
using namespace std;
int n, m;
vector<vector<char>>grid;
vector<vector<bool>>vis;
bool found = 0;
bool check(int i, int j){
	return (i >= 0 && i < n && j >= 0 && j < m);
}
void rec(int i, int j, char cur){
  vis[i][j] = 1;
  if(grid[i][j] == cur){
  	found = 1;
  	grid[i][j] = 'x';
  }
  if(check(i + 1, j) && !vis[i + 1][j] && (grid[i + 1][j] == 'x' || grid[i + 1][j] == cur))rec(i + 1, j, cur);
  if(check(i, j + 1) && !vis[i][j + 1] && (grid[i][j + 1] == 'x' || grid[i][j + 1] == cur))rec(i, j + 1, cur);
  if(check(i - 1, j) && !vis[i - 1][j] && (grid[i - 1][j] == 'x' || grid[i - 1][j] == cur))rec(i - 1, j, cur);
  if(check(i, j - 1) && !vis[i][j - 1] && (grid[i][j - 1] == 'x' || grid[i][j - 1] == cur))rec(i, j - 1, cur);
}
int main(){
	// ios_base::sync_with_stdio(0);
	// cin.tie(0);
	cin >> n >> m;
    grid.assign(n, vector<char>(m));
    vis.assign(n, vector<bool>(m));
	for(int i = 0;i < n;++i){
		for(int j = 0;j < m;++j){
			cin >> grid[i][j];
		}
	}
	char c = grid[0][0];
	int cnt = 0;
	rec(0, 0, c);
	while(found){
		found = 0;
		cnt++;
		if(c == 'T')c = 'B';
		else c = 'T';
		for(int i = 0;i < n;++i){
			for(int j = 0;j < m;++j){
				vis[i][j] = 0;
			}
		}
		rec(0, 0, c);
	}
	cout << cnt;
}

• Subtask 1: 45 / 45
• Subtask 2: 0 / 65