#include<bits/stdc++.h>
#define st first
#define nd second
using namespace std;
const int N=1005;
int tab[N][N], dist[N][N];
vector<pair<int, int> > co[N*N];
vector<pair<int, int> > V={{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
int main(){
int n, m;
cin>>n>>m;
for(int i=0; i<n; i++){
string s;
cin>>s;
for(int j=0; j<m; j++){
if(s[j]=='T')tab[i][j]=1;
if(s[j]=='B')tab[i][j]=2;
}
}
dist[0][0]=1;
co[1].push_back({0, 0});
int ans=0;
for(int i=1; i<=n*m; i++){
for(int j=0; j<co[i].size(); j++){
//cout<<v.st<<" "<<v.nd<<"\n";
ans=max(ans, i);
int x=co[i][j].st, y=co[i][j].nd;
for(pair<int, int> d:V){
if(x+d.st>=0 && y+d.nd>=0 && tab[x+d.st][y+d.nd]){
if(dist[x+d.st][y+d.nd]==0){
//cout<<"a";
if(tab[x+d.st][y+d.nd]!=tab[x][y]){
dist[x+d.st][y+d.nd]=dist[x][y]+1;
co[i+1].push_back({x+d.st, y+d.nd});
}
else{
dist[x+d.st][y+d.nd]=dist[x][y];
co[i].push_back({x+d.st, y+d.nd});
}
}
}
}
}
}
cout<<ans;
}
Compilation message
zoo.cpp: In function 'int main()':
zoo.cpp:24:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | for(int j=0; j<co[i].size(); j++){
| ~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23988 KB |
Output is correct |
2 |
Correct |
13 ms |
24140 KB |
Output is correct |
3 |
Correct |
15 ms |
24140 KB |
Output is correct |
4 |
Correct |
14 ms |
24388 KB |
Output is correct |
5 |
Correct |
14 ms |
24860 KB |
Output is correct |
6 |
Correct |
14 ms |
24780 KB |
Output is correct |
7 |
Correct |
15 ms |
24908 KB |
Output is correct |
8 |
Correct |
14 ms |
24780 KB |
Output is correct |
9 |
Correct |
14 ms |
24780 KB |
Output is correct |
10 |
Correct |
14 ms |
24816 KB |
Output is correct |
11 |
Correct |
15 ms |
24780 KB |
Output is correct |
12 |
Correct |
15 ms |
24856 KB |
Output is correct |
13 |
Correct |
15 ms |
24652 KB |
Output is correct |
14 |
Correct |
14 ms |
24792 KB |
Output is correct |
15 |
Correct |
14 ms |
24664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23988 KB |
Output is correct |
2 |
Correct |
13 ms |
24140 KB |
Output is correct |
3 |
Correct |
15 ms |
24140 KB |
Output is correct |
4 |
Correct |
14 ms |
24388 KB |
Output is correct |
5 |
Correct |
14 ms |
24860 KB |
Output is correct |
6 |
Correct |
14 ms |
24780 KB |
Output is correct |
7 |
Correct |
15 ms |
24908 KB |
Output is correct |
8 |
Correct |
14 ms |
24780 KB |
Output is correct |
9 |
Correct |
14 ms |
24780 KB |
Output is correct |
10 |
Correct |
14 ms |
24816 KB |
Output is correct |
11 |
Correct |
15 ms |
24780 KB |
Output is correct |
12 |
Correct |
15 ms |
24856 KB |
Output is correct |
13 |
Correct |
15 ms |
24652 KB |
Output is correct |
14 |
Correct |
14 ms |
24792 KB |
Output is correct |
15 |
Correct |
14 ms |
24664 KB |
Output is correct |
16 |
Correct |
48 ms |
33480 KB |
Output is correct |
17 |
Correct |
47 ms |
33488 KB |
Output is correct |
18 |
Correct |
49 ms |
33600 KB |
Output is correct |
19 |
Correct |
50 ms |
33760 KB |
Output is correct |
20 |
Correct |
48 ms |
33596 KB |
Output is correct |
21 |
Correct |
88 ms |
38028 KB |
Output is correct |
22 |
Correct |
90 ms |
37896 KB |
Output is correct |
23 |
Correct |
101 ms |
38008 KB |
Output is correct |
24 |
Correct |
92 ms |
38568 KB |
Output is correct |
25 |
Correct |
91 ms |
38312 KB |
Output is correct |
26 |
Correct |
88 ms |
38084 KB |
Output is correct |
27 |
Correct |
85 ms |
38000 KB |
Output is correct |
28 |
Correct |
96 ms |
38104 KB |
Output is correct |
29 |
Correct |
103 ms |
38676 KB |
Output is correct |
30 |
Correct |
90 ms |
38296 KB |
Output is correct |