#include <bits/stdc++.h>
const std::vector<int> directionX{-1, 1, 0, 0};
const std::vector<int> directionY{0, 0, -1, 1};
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(0);
int numRow, numColumn;
std::cin >> numRow >> numColumn;
std::vector<std::string> snow(numRow);
for (int row = 0; row < numRow; row++) {
std::cin >> snow[row];
}
std::deque<std::pair<int, int>> deque;
std::vector<std::vector<int>> depth(numRow, std::vector<int>(numColumn));
deque.emplace_back(0, 0);
depth[0][0] = 1;
int result = 1;
while (!deque.empty()) {
auto [currentRow, currentColumn] = deque.front();
deque.pop_front();
result = std::max(result, depth[currentRow][currentColumn]);
for (int direction = 0; direction < 4; direction++) {
int nextRow = currentRow + directionX[direction];
int nextColumn = currentColumn + directionY[direction];
if (nextRow >= 0 && nextRow < numRow && nextColumn >= 0 && nextColumn < numColumn &&
snow[nextRow][nextColumn] != '.' && depth[nextRow][nextColumn] == 0) {
if (snow[currentRow][currentColumn] == snow[nextRow][nextColumn]) {
depth[nextRow][nextColumn] = depth[currentRow][currentColumn];
deque.emplace_front(nextRow, nextColumn);
} else {
depth[nextRow][nextColumn] = depth[currentRow][nextColumn] + 1;
deque.emplace_back(nextRow, nextColumn);
}
}
}
}
std::cout << result;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
8 ms |
1616 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 4 |
Correct |
6 ms |
1360 KB |
Output is correct |
| 5 |
Incorrect |
2 ms |
1016 KB |
Output isn't correct |
| 6 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 7 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 10 |
Incorrect |
2 ms |
592 KB |
Output isn't correct |
| 11 |
Correct |
2 ms |
592 KB |
Output is correct |
| 12 |
Incorrect |
3 ms |
940 KB |
Output isn't correct |
| 13 |
Incorrect |
3 ms |
848 KB |
Output isn't correct |
| 14 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 15 |
Incorrect |
7 ms |
2180 KB |
Output isn't correct |
| 16 |
Incorrect |
8 ms |
1616 KB |
Output isn't correct |
| 17 |
Incorrect |
7 ms |
1688 KB |
Output isn't correct |
| 18 |
Correct |
5 ms |
1632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 2 |
Incorrect |
29 ms |
9288 KB |
Output isn't correct |
| 3 |
Incorrect |
173 ms |
87236 KB |
Output isn't correct |
| 4 |
Incorrect |
62 ms |
20904 KB |
Output isn't correct |
| 5 |
Incorrect |
98 ms |
48580 KB |
Output isn't correct |
| 6 |
Incorrect |
488 ms |
94028 KB |
Output isn't correct |
| 7 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 8 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 9 |
Incorrect |
2 ms |
624 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
760 KB |
Output isn't correct |
| 11 |
Incorrect |
2 ms |
1024 KB |
Output isn't correct |
| 12 |
Incorrect |
1 ms |
504 KB |
Output isn't correct |
| 13 |
Incorrect |
31 ms |
9288 KB |
Output isn't correct |
| 14 |
Incorrect |
18 ms |
5012 KB |
Output isn't correct |
| 15 |
Incorrect |
13 ms |
5580 KB |
Output isn't correct |
| 16 |
Incorrect |
15 ms |
3700 KB |
Output isn't correct |
| 17 |
Incorrect |
82 ms |
20560 KB |
Output isn't correct |
| 18 |
Incorrect |
49 ms |
20304 KB |
Output isn't correct |
| 19 |
Incorrect |
55 ms |
20880 KB |
Output isn't correct |
| 20 |
Incorrect |
41 ms |
18256 KB |
Output isn't correct |
| 21 |
Incorrect |
99 ms |
46968 KB |
Output isn't correct |
| 22 |
Incorrect |
105 ms |
50396 KB |
Output isn't correct |
| 23 |
Incorrect |
164 ms |
40468 KB |
Output isn't correct |
| 24 |
Incorrect |
92 ms |
49232 KB |
Output isn't correct |
| 25 |
Incorrect |
190 ms |
80968 KB |
Output isn't correct |
| 26 |
Correct |
247 ms |
112092 KB |
Output is correct |
| 27 |
Incorrect |
333 ms |
101612 KB |
Output isn't correct |
| 28 |
Incorrect |
493 ms |
95184 KB |
Output isn't correct |
| 29 |
Incorrect |
451 ms |
100868 KB |
Output isn't correct |
| 30 |
Correct |
409 ms |
100000 KB |
Output is correct |
| 31 |
Incorrect |
407 ms |
57004 KB |
Output isn't correct |
| 32 |
Incorrect |
378 ms |
97512 KB |
Output isn't correct |
