#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int n, m, ans;
bool tr1, tr2;
vector<string> a;
vector<vector<bool>> vis;
bool chk(int x, int y) {
return 0 <= min(x, y) && x < n && y < m && !vis[x][y];
}
void dfs(int x, int y) {
if (vis[x][y]) return;
vis[x][y] = true;
if (a[x][y] == 'R') {
ans += tr1; tr1 = false;
}
else {
ans += tr2; tr2 = false;
}
if (chk(x - 1, y)) dfs(x - 1, y);
if (chk(x + 1, y)) dfs(x + 1, y);
if (chk(x, y - 1)) dfs(x, y - 1);
if (chk(x, y + 1)) dfs(x, y + 1);
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> n >> m;
a.assign(n, "");
for (auto &i : a) cin >> i;
vis.assign(n, vector<bool>(m, false));
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
if (!chk(i, j)) continue;
tr1 = tr2 = true;
dfs(i, j);
}
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
17 ms |
15964 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 3 |
Incorrect |
0 ms |
604 KB |
Output isn't correct |
| 4 |
Incorrect |
9 ms |
10332 KB |
Output isn't correct |
| 5 |
Incorrect |
5 ms |
5724 KB |
Output isn't correct |
| 6 |
Incorrect |
0 ms |
456 KB |
Output isn't correct |
| 7 |
Incorrect |
1 ms |
604 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
604 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
860 KB |
Output isn't correct |
| 10 |
Incorrect |
4 ms |
4444 KB |
Output isn't correct |
| 11 |
Incorrect |
3 ms |
2920 KB |
Output isn't correct |
| 12 |
Incorrect |
6 ms |
5912 KB |
Output isn't correct |
| 13 |
Incorrect |
5 ms |
5724 KB |
Output isn't correct |
| 14 |
Incorrect |
5 ms |
5724 KB |
Output isn't correct |
| 15 |
Incorrect |
16 ms |
16472 KB |
Output isn't correct |
| 16 |
Incorrect |
16 ms |
15960 KB |
Output isn't correct |
| 17 |
Incorrect |
15 ms |
15708 KB |
Output isn't correct |
| 18 |
Incorrect |
9 ms |
10408 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
3956 KB |
Output isn't correct |
| 2 |
Incorrect |
105 ms |
101072 KB |
Output isn't correct |
| 3 |
Incorrect |
1209 ms |
1030420 KB |
Output isn't correct |
| 4 |
Incorrect |
244 ms |
241868 KB |
Output isn't correct |
| 5 |
Incorrect |
618 ms |
579908 KB |
Output isn't correct |
| 6 |
Incorrect |
1128 ms |
1030428 KB |
Output isn't correct |
| 7 |
Incorrect |
3 ms |
3516 KB |
Output isn't correct |
| 8 |
Incorrect |
3 ms |
3932 KB |
Output isn't correct |
| 9 |
Incorrect |
4 ms |
3932 KB |
Output isn't correct |
| 10 |
Incorrect |
2 ms |
2140 KB |
Output isn't correct |
| 11 |
Incorrect |
4 ms |
3676 KB |
Output isn't correct |
| 12 |
Incorrect |
2 ms |
1884 KB |
Output isn't correct |
| 13 |
Incorrect |
133 ms |
101140 KB |
Output isn't correct |
| 14 |
Incorrect |
61 ms |
58696 KB |
Output isn't correct |
| 15 |
Incorrect |
64 ms |
64852 KB |
Output isn't correct |
| 16 |
Incorrect |
46 ms |
41708 KB |
Output isn't correct |
| 17 |
Incorrect |
270 ms |
261696 KB |
Output isn't correct |
| 18 |
Incorrect |
277 ms |
258132 KB |
Output isn't correct |
| 19 |
Incorrect |
249 ms |
241956 KB |
Output isn't correct |
| 20 |
Incorrect |
223 ms |
222060 KB |
Output isn't correct |
| 21 |
Incorrect |
665 ms |
599576 KB |
Output isn't correct |
| 22 |
Incorrect |
637 ms |
579800 KB |
Output isn't correct |
| 23 |
Incorrect |
573 ms |
498768 KB |
Output isn't correct |
| 24 |
Incorrect |
646 ms |
585648 KB |
Output isn't correct |
| 25 |
Incorrect |
1119 ms |
1030228 KB |
Output isn't correct |
| 26 |
Correct |
837 ms |
788892 KB |
Output is correct |
| 27 |
Incorrect |
1153 ms |
1030544 KB |
Output isn't correct |
| 28 |
Incorrect |
1172 ms |
1024408 KB |
Output isn't correct |
| 29 |
Incorrect |
1105 ms |
1022104 KB |
Output isn't correct |
| 30 |
Incorrect |
1182 ms |
1000784 KB |
Output isn't correct |
| 31 |
Incorrect |
753 ms |
654764 KB |
Output isn't correct |
| 32 |
Incorrect |
1109 ms |
1022032 KB |
Output isn't correct |
