#include <bits/stdc++.h>
using namespace std;
const int dx[4] = {-1, 0, 1, 0};
const int dy[4] = {0, 1, 0, -1};
const int MAXN = 4000 + 5;
char ch;
int n, m, ans;
int g[MAXN][MAXN];
bool seen[MAXN][MAXN];
queue<pair<int, int>> qq;
void solve()
{
cin >> n >> m;
for (int i = 1; i <= n; i++)
{
ch = getchar();
for (int j = 1; j <= m; j++)
{
ch = getchar();
switch (ch)
{
case 'R':
g[i][j] = 0;
break;
case '.':
g[i][j] = -1;
break;
case 'F':
g[i][j] = 1;
break;
}
}
}
while (true)
{
for (int i = 0; i <= n + 1; i++)
for (int j = 0; j <= m + 1; j++)
seen[i][j] = false;
ans++;
qq.push(make_pair(1, 1));
while (!qq.empty())
{
pair<int, int> now = qq.front();
qq.pop();
int x = now.first, y = now.second;
seen[x][y] = true;
for (int i = 0; i < 4; i++)
{
int fx = x + dx[i], fy = y + dy[i];
if (fx < 1 || fy < 1 || fx > n || fy > m || g[x][y] != g[fx][fy] || seen[fx][fy])
continue;
qq.push(make_pair(fx, fy));
}
}
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
if (seen[i][j])
g[i][j] = 1 - g[i][j];
bool ra = false, fo = false;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
{
if (g[i][j] == 0)
ra = true;
else if (g[i][j] == 1)
fo = true;
}
if (!(ra && fo))
break;
}
cout << ans + 1 << endl;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2078 ms |
524764 KB |
Time limit exceeded |
| 2 |
Execution timed out |
2081 ms |
735428 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2047 ms |
743228 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2045 ms |
572360 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2048 ms |
667656 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2060 ms |
736708 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2109 ms |
784996 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2058 ms |
735616 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2039 ms |
4700 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2049 ms |
8796 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2078 ms |
444792 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2085 ms |
547492 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2115 ms |
592252 KB |
Time limit exceeded |
| 14 |
Execution timed out |
2102 ms |
629852 KB |
Time limit exceeded |
| 15 |
Execution timed out |
2036 ms |
5464 KB |
Time limit exceeded |
| 16 |
Execution timed out |
2081 ms |
497212 KB |
Time limit exceeded |
| 17 |
Execution timed out |
2035 ms |
21792 KB |
Time limit exceeded |
| 18 |
Execution timed out |
2081 ms |
529828 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2037 ms |
68184 KB |
Time limit exceeded |
| 2 |
Execution timed out |
2070 ms |
194216 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2138 ms |
759268 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2077 ms |
771504 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2088 ms |
70920 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2098 ms |
368660 KB |
Time limit exceeded |
| 7 |
Incorrect |
807 ms |
68404 KB |
Output isn't correct |
| 8 |
Execution timed out |
2009 ms |
68184 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2054 ms |
301860 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2039 ms |
2392 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2076 ms |
68188 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2060 ms |
6748 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2017 ms |
194244 KB |
Time limit exceeded |
| 14 |
Execution timed out |
2052 ms |
22024 KB |
Time limit exceeded |
| 15 |
Execution timed out |
2039 ms |
325456 KB |
Time limit exceeded |
| 16 |
Execution timed out |
2037 ms |
66864 KB |
Time limit exceeded |
| 17 |
Execution timed out |
2031 ms |
45396 KB |
Time limit exceeded |
| 18 |
Execution timed out |
2032 ms |
45524 KB |
Time limit exceeded |
| 19 |
Execution timed out |
2145 ms |
824008 KB |
Time limit exceeded |
| 20 |
Execution timed out |
2029 ms |
41180 KB |
Time limit exceeded |
| 21 |
Execution timed out |
2031 ms |
73464 KB |
Time limit exceeded |
| 22 |
Execution timed out |
2009 ms |
70740 KB |
Time limit exceeded |
| 23 |
Execution timed out |
2090 ms |
123012 KB |
Time limit exceeded |
| 24 |
Execution timed out |
2094 ms |
129304 KB |
Time limit exceeded |
| 25 |
Execution timed out |
2025 ms |
224576 KB |
Time limit exceeded |
| 26 |
Execution timed out |
2136 ms |
860244 KB |
Time limit exceeded |
| 27 |
Execution timed out |
2130 ms |
859472 KB |
Time limit exceeded |
| 28 |
Execution timed out |
2028 ms |
369520 KB |
Time limit exceeded |
| 29 |
Execution timed out |
2040 ms |
559800 KB |
Time limit exceeded |
| 30 |
Execution timed out |
2028 ms |
424396 KB |
Time limit exceeded |
| 31 |
Execution timed out |
2056 ms |
685696 KB |
Time limit exceeded |
| 32 |
Execution timed out |
2127 ms |
859960 KB |
Time limit exceeded |
