#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <fstream>
#define endl '\n'
#define int long long
#define mod 1000000007
using namespace std;
char m[4001][4001];
int dx[] = {0,0,1,-1};
int dy[] = {1,-1,0,0};
int dist[4001][4001];
signed main(){
int h,w, ans = 0; cin >> h >> w;
for(int i = 0; i < h; i++){
for(int j = 0; j < w; j++){
cin >> m[i][j];
}
}
dist[0][0] = 1;
priority_queue<pair<int,pair<int,int>>>d;
d.push({-1,{0,0}});
while(d.size()){
auto x = d.top();
ans = max(ans, x.first * -1);
d.pop();
for(int i = 0; i < 4; i++){
int aa = x.second.first + dx[i], bb = x.second.second + dy[i];
int val = dist[x.second.first][x.second.second] * -1;
if(aa < 0 or bb < 0 or aa >= h or bb >= w) continue;
if(m[aa][bb] == '.' or dist[aa][bb] != 0) continue;
if(m[aa][bb] != m[x.second.first][x.second.second]) val++;
dist[aa][bb] = val;
d.push({-dist[aa][bb], {aa,bb}});
}
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2061 ms |
2388 KB |
Time limit exceeded |
| 2 |
Incorrect |
1 ms |
436 KB |
Output isn't correct |
| 3 |
Execution timed out |
2077 ms |
394700 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2064 ms |
396612 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2076 ms |
1492 KB |
Time limit exceeded |
| 6 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 7 |
Execution timed out |
2066 ms |
394668 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2076 ms |
197564 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2051 ms |
197900 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2068 ms |
1492 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2092 ms |
395248 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2067 ms |
1456 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2071 ms |
1492 KB |
Time limit exceeded |
| 14 |
Execution timed out |
2063 ms |
1496 KB |
Time limit exceeded |
| 15 |
Execution timed out |
2075 ms |
199660 KB |
Time limit exceeded |
| 16 |
Execution timed out |
2053 ms |
2444 KB |
Time limit exceeded |
| 17 |
Execution timed out |
2075 ms |
2388 KB |
Time limit exceeded |
| 18 |
Execution timed out |
2076 ms |
396536 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2065 ms |
227872 KB |
Time limit exceeded |
| 2 |
Execution timed out |
2065 ms |
203504 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2058 ms |
18712 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2055 ms |
207148 KB |
Time limit exceeded |
| 5 |
Incorrect |
477 ms |
65100 KB |
Output isn't correct |
| 6 |
Execution timed out |
2028 ms |
399216 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2081 ms |
32212 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2082 ms |
227824 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2074 ms |
197696 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2079 ms |
340 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2076 ms |
228772 KB |
Time limit exceeded |
| 12 |
Incorrect |
2 ms |
1620 KB |
Output isn't correct |
| 13 |
Execution timed out |
2087 ms |
203460 KB |
Time limit exceeded |
| 14 |
Execution timed out |
2041 ms |
5196 KB |
Time limit exceeded |
| 15 |
Execution timed out |
2086 ms |
206372 KB |
Time limit exceeded |
| 16 |
Execution timed out |
2081 ms |
199776 KB |
Time limit exceeded |
| 17 |
Execution timed out |
2057 ms |
10416 KB |
Time limit exceeded |
| 18 |
Execution timed out |
2051 ms |
215360 KB |
Time limit exceeded |
| 19 |
Execution timed out |
2072 ms |
207068 KB |
Time limit exceeded |
| 20 |
Execution timed out |
2066 ms |
206056 KB |
Time limit exceeded |
| 21 |
Execution timed out |
2101 ms |
15208 KB |
Time limit exceeded |
| 22 |
Incorrect |
455 ms |
65172 KB |
Output isn't correct |
| 23 |
Execution timed out |
2021 ms |
12284 KB |
Time limit exceeded |
| 24 |
Execution timed out |
2076 ms |
27856 KB |
Time limit exceeded |
| 25 |
Execution timed out |
2079 ms |
34984 KB |
Time limit exceeded |
| 26 |
Correct |
1551 ms |
125744 KB |
Output is correct |
| 27 |
Execution timed out |
2047 ms |
412012 KB |
Time limit exceeded |
| 28 |
Execution timed out |
2013 ms |
411868 KB |
Time limit exceeded |
| 29 |
Execution timed out |
2070 ms |
17704 KB |
Time limit exceeded |
| 30 |
Execution timed out |
2050 ms |
411696 KB |
Time limit exceeded |
| 31 |
Execution timed out |
2092 ms |
212464 KB |
Time limit exceeded |
| 32 |
Execution timed out |
2033 ms |
412116 KB |
Time limit exceeded |
