답안 #704794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
704794 2023-03-03T03:25:30 Z willychan Zoo (COCI19_zoo) C++14
45 / 110
2000 ms 13116 KB
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds


char arr[1005][1005];
int tcnt = 0;
int bcnt = 0;
int n,m;
int dx[4]={0,0,-1,1};
int dy[4] = {1,-1,0,0};
bool inbound(int x,int y){
	return (x>=0 && x<n && y>=0 && y<m);
}

void dfs(int x,int y,char t,char re){
				if(t=='B'){
					bcnt--;
					tcnt++;
				}else{
					tcnt--;
					bcnt++;
				}
		arr[x][y]=re;		
		for(int i=0;i<4;i++){
			if(!inbound(x+dx[i],y+dy[i])) continue;
			if(arr[x+dx[i]][y+dy[i]]==t){
				dfs(x+dx[i],y+dy[i],t,re);
			}
		}
}

int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin>>n>>m;	
	for(int i=0;i<n;i++){
		string s;cin>>s;
		for(int j=0;j<m;j++){
			arr[i][j] = s[j];
			if(s[j]=='B') bcnt++;
			if(s[j]=='T') tcnt++;
		}
	}
	if(arr[n-1][m-1]=='*'){
		cout<<0<<"\n";
		return 0;
	}
	int cnt = 1;
	while(bcnt && tcnt){
		if(arr[n-1][m-1]=='B'){
			dfs(n-1,m-1,'B','T');
		}else{
			dfs(n-1,m-1,'T','B');
		}
		cnt++;
		/*for(int i=0;i<n;i++){
			for(int j=0;j<m;j++){
				cout<<arr[i][j];
			}
			cout<<"\n";
		}*/
	}
	cout<<cnt<<"\n";
		

	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct
12 Correct 7 ms 468 KB Output is correct
13 Correct 4 ms 468 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 5 ms 468 KB Output is correct
12 Correct 7 ms 468 KB Output is correct
13 Correct 4 ms 468 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 12 ms 3972 KB Output is correct
17 Correct 16 ms 3652 KB Output is correct
18 Correct 16 ms 4316 KB Output is correct
19 Correct 21 ms 4584 KB Output is correct
20 Correct 12 ms 4400 KB Output is correct
21 Execution timed out 2072 ms 13116 KB Time limit exceeded
22 Halted 0 ms 0 KB -