#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
int n, m;
vector<pair<int ,int>> v;int mx=0;
void b(string * s, int mas[][3000], int sh, int p){
if(p==v.size()){
mx=max(mx, sh);
return;
}
int x=v[p].f, y=v[p].s;
int a[n][3000];string sm[n];
for(int i=0; i<n; i++){
for(int j=0; j<m; j++){
a[i][j]=mas[i][j];
}
sm[i]=s[i];
}
if(x<n-2){
if(a[x+1][y]==0&&s[x+1][y]=='G'&&s[x+2][y]=='W'&&a[x+2][y]==0){
a[x+1][y]=1;a[x+2][y]=1;
b(s, a, sh+1, p+1);
a[x+1][y]=0;a[x+2][y]=0;
}
}
if(y<m-2){
if(a[x][y+1]==0&&s[x][y+1]=='G'&&s[x][y+2]=='W'&&a[x][y+2]==0){
a[x][y+1]=1;a[x][y+2]=1;
b(s, a, sh+1, p+1);
a[x][y+1]=0;a[x][y+2]=0;
}
}
b(s, a, sh, p+1);
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
string s[n];
int mas[n][3000];
for(int i=0; i<n; i++){
cin >> s[i];
for(int j=0; j<m; j++){
if(s[i][j]=='R'){
v.push_back({i, j});
}
mas[i][j]=0;
}
}
b(s, mas, 0, 0);
cout << mx;
return 0;
}
Compilation message
dango_maker.cpp: In function 'void b(std::string*, int (*)[3000], int, int)':
dango_maker.cpp:8:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
8 | if(p==v.size()){
| ~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
760 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
0 ms |
604 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
604 KB |
Output is correct |
12 |
Correct |
1 ms |
604 KB |
Output is correct |
13 |
Correct |
0 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
760 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
0 ms |
604 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
604 KB |
Output is correct |
12 |
Correct |
1 ms |
604 KB |
Output is correct |
13 |
Correct |
0 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
1116 KB |
Output is correct |
18 |
Correct |
0 ms |
1116 KB |
Output is correct |
19 |
Correct |
8 ms |
2176 KB |
Output is correct |
20 |
Correct |
166 ms |
3676 KB |
Output is correct |
21 |
Correct |
135 ms |
4444 KB |
Output is correct |
22 |
Correct |
838 ms |
3964 KB |
Output is correct |
23 |
Correct |
2 ms |
4444 KB |
Output is correct |
24 |
Correct |
2 ms |
4444 KB |
Output is correct |
25 |
Correct |
0 ms |
860 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Execution timed out |
2096 ms |
4680 KB |
Time limit exceeded |
28 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
760 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
0 ms |
604 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
604 KB |
Output is correct |
12 |
Correct |
1 ms |
604 KB |
Output is correct |
13 |
Correct |
0 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
1116 KB |
Output is correct |
18 |
Correct |
0 ms |
1116 KB |
Output is correct |
19 |
Correct |
8 ms |
2176 KB |
Output is correct |
20 |
Correct |
166 ms |
3676 KB |
Output is correct |
21 |
Correct |
135 ms |
4444 KB |
Output is correct |
22 |
Correct |
838 ms |
3964 KB |
Output is correct |
23 |
Correct |
2 ms |
4444 KB |
Output is correct |
24 |
Correct |
2 ms |
4444 KB |
Output is correct |
25 |
Correct |
0 ms |
860 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Execution timed out |
2096 ms |
4680 KB |
Time limit exceeded |
28 |
Halted |
0 ms |
0 KB |
- |