답안 #445553

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
445553 2021-07-18T16:31:21 Z ACE_ Zoo (COCI19_zoo) C++14
110 / 110
115 ms 7268 KB
#include<bits/stdc++.h>
#define f first
#define s second
using namespace std;
const int N = 1005;
int t, fix[N][N], n, m;
char a[N][N];
vector<pair<int, int> > next1, cur;
bool ok(int i, int j) {
	if (min(i, j) < 1 || i > n || j > m) return 0;
	return 1;
}
void dfs(int i, int j, char c) {
	if (!ok(i, j) || a[i][j] != c || fix[i][j]) return;
	fix[i][j] = 1;
	next1.push_back({ i,j });
	dfs(i + 1, j, c);
	dfs(i - 1, j, c);
	dfs(i, j - 1, c);
	dfs(i, j + 1, c);
}
main() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			cin >> a[i][j];
		}
	}
	dfs(1, 1, a[1][1]);
	cur = next1;
	next1.clear();
	char c = a[1][1];
	int ans = 0;
	while (cur.size()) {
		ans++;
		c = 'T' + 'B' - c;
		for (int k = 0; k < cur.size(); k++) {
			int i = cur[k].f, j = cur[k].s;
			dfs(i + 1, j, c);
			dfs(i - 1, j, c);
			dfs(i, j - 1, c);
			dfs(i, j + 1, c);
		}
		cur = next1;
		next1.clear();
	}
	cout << ans;
}

Compilation message

zoo.cpp:22:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   22 | main() {
      | ^~~~
zoo.cpp: In function 'int main()':
zoo.cpp:37:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |   for (int k = 0; k < cur.size(); k++) {
      |                   ~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 2 ms 844 KB Output is correct
6 Correct 2 ms 844 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 2 ms 716 KB Output is correct
12 Correct 2 ms 716 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 2 ms 716 KB Output is correct
15 Correct 1 ms 716 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 2 ms 844 KB Output is correct
6 Correct 2 ms 844 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 2 ms 716 KB Output is correct
12 Correct 2 ms 716 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 2 ms 716 KB Output is correct
15 Correct 1 ms 716 KB Output is correct
16 Correct 70 ms 7212 KB Output is correct
17 Correct 66 ms 7236 KB Output is correct
18 Correct 68 ms 7232 KB Output is correct
19 Correct 70 ms 7268 KB Output is correct
20 Correct 65 ms 7228 KB Output is correct
21 Correct 104 ms 6084 KB Output is correct
22 Correct 104 ms 6064 KB Output is correct
23 Correct 105 ms 6144 KB Output is correct
24 Correct 112 ms 6528 KB Output is correct
25 Correct 111 ms 6224 KB Output is correct
26 Correct 108 ms 6016 KB Output is correct
27 Correct 106 ms 6100 KB Output is correct
28 Correct 110 ms 6084 KB Output is correct
29 Correct 115 ms 6340 KB Output is correct
30 Correct 112 ms 6124 KB Output is correct