#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 && 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 |
512 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 4 |
Correct |
5 ms |
1360 KB |
Output is correct |
| 5 |
Incorrect |
3 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 |
848 KB |
Output isn't correct |
| 11 |
Correct |
2 ms |
592 KB |
Output is correct |
| 12 |
Incorrect |
3 ms |
848 KB |
Output isn't correct |
| 13 |
Incorrect |
3 ms |
1016 KB |
Output isn't correct |
| 14 |
Incorrect |
3 ms |
956 KB |
Output isn't correct |
| 15 |
Incorrect |
8 ms |
2068 KB |
Output isn't correct |
| 16 |
Incorrect |
9 ms |
1748 KB |
Output isn't correct |
| 17 |
Incorrect |
7 ms |
1788 KB |
Output isn't correct |
| 18 |
Correct |
4 ms |
1360 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 2 |
Incorrect |
33 ms |
11776 KB |
Output isn't correct |
| 3 |
Incorrect |
327 ms |
130104 KB |
Output isn't correct |
| 4 |
Incorrect |
89 ms |
19792 KB |
Output isn't correct |
| 5 |
Incorrect |
195 ms |
86604 KB |
Output isn't correct |
| 6 |
Incorrect |
434 ms |
94160 KB |
Output isn't correct |
| 7 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 8 |
Incorrect |
3 ms |
848 KB |
Output isn't correct |
| 9 |
Incorrect |
2 ms |
848 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
592 KB |
Output isn't correct |
| 11 |
Incorrect |
2 ms |
1104 KB |
Output isn't correct |
| 12 |
Incorrect |
2 ms |
592 KB |
Output isn't correct |
| 13 |
Incorrect |
33 ms |
11856 KB |
Output isn't correct |
| 14 |
Incorrect |
19 ms |
6992 KB |
Output isn't correct |
| 15 |
Incorrect |
22 ms |
8272 KB |
Output isn't correct |
| 16 |
Incorrect |
15 ms |
4944 KB |
Output isn't correct |
| 17 |
Incorrect |
78 ms |
30672 KB |
Output isn't correct |
| 18 |
Incorrect |
106 ms |
29484 KB |
Output isn't correct |
| 19 |
Incorrect |
89 ms |
21584 KB |
Output isn't correct |
| 20 |
Incorrect |
72 ms |
28744 KB |
Output isn't correct |
| 21 |
Incorrect |
181 ms |
77980 KB |
Output isn't correct |
| 22 |
Incorrect |
166 ms |
87224 KB |
Output isn't correct |
| 23 |
Incorrect |
177 ms |
60616 KB |
Output isn't correct |
| 24 |
Incorrect |
166 ms |
74348 KB |
Output isn't correct |
| 25 |
Incorrect |
522 ms |
118708 KB |
Output isn't correct |
| 26 |
Correct |
259 ms |
118460 KB |
Output is correct |
| 27 |
Incorrect |
320 ms |
104812 KB |
Output isn't correct |
| 28 |
Incorrect |
455 ms |
101644 KB |
Output isn't correct |
| 29 |
Incorrect |
451 ms |
96532 KB |
Output isn't correct |
| 30 |
Correct |
393 ms |
93848 KB |
Output is correct |
| 31 |
Incorrect |
358 ms |
57416 KB |
Output isn't correct |
| 32 |
Incorrect |
317 ms |
96760 KB |
Output isn't correct |
