#include<bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define ff first
#define ss second
#define ll long long
#define pll pair<ll, ll>
#define pb push_back
const int MAXLS = 5000000;
int dq[3010][3010];
int a[3021][3021];
int kto[MAXLS];
int cnt[3];
int pos[MAXLS];
vector<int> q[MAXLS];
vector<int> ord;
int c[MAXLS];
void dfs(int v){
pos[v] = 1;
cnt[kto[v]] ++;
ord.pb(v);
for(int to: q[v]){
if(pos[to]) continue;
dfs(to);
}
}
void add(int i, int j, int x){
if(dq[i][j] != -1) q[dq[i][j]].pb(x), q[x].pb(dq[i][j]);
dq[i][j] = x;
}
void solve(){
int n, m;
cin>>n>>m;
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
char c;
cin>>c;
a[i][j] = c;
dq[i][j] = -1;
}
}
int ls = 0;
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(j >= 3 and a[i][j] == 'W' and a[i][j-1] == 'G' and a[i][j - 2] == 'R'){
ls ++;
//cout<<i<<' '<<j<<' '<<ls<<"v\n";
add(i, j, ls);
add(i, j-1, ls);
add(i, j-2, ls);
kto[ls] = 1;
}
if(i >= 3 and a[i][j] == 'W' and a[i-1][j] == 'G' and a[i-2][j] == 'R'){
ls ++;
//cout<<i<<' '<<j<<' '<<ls<<"h\n";
add(i, j, ls);
add(i-1, j, ls);
add(i-2, j, ls);
kto[ls] = 2;
}
}
}
ll ans = 0;
//cout<<ls<<'\n';
for(int i=1; i<=ls; i++){
if(pos[i]) continue;
cnt[1] = cnt[2] = 0;
ord.clear();
dfs(i);
int res = 0;
for(int k=0; k<(1 << ord.size()); k++){
for(int i=0; i<ord.size(); i++){
if((k&(1<<i))){
c[ord[i]] = 1;
}
else c[ord[i]] = 0;
}
int ok = 1;
for(int v: ord){
for(int to: q[v]){
if(c[to] and c[v]){
ok = 0;
break;
}
}
}
if(ok){
res = max(res, __builtin_popcount(k));
}
}
ans += res;
//cout<<res<<'\n';
}
cout<<ans<<'\n';
}
int main(){
solve();
}
Compilation message
dango_maker.cpp: In function 'void solve()':
dango_maker.cpp:79:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
79 | for(int i=0; i<ord.size(); i++){
| ~^~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
123484 KB |
Output is correct |
2 |
Correct |
18 ms |
123484 KB |
Output is correct |
3 |
Correct |
18 ms |
123548 KB |
Output is correct |
4 |
Correct |
21 ms |
123484 KB |
Output is correct |
5 |
Correct |
19 ms |
123484 KB |
Output is correct |
6 |
Correct |
18 ms |
125616 KB |
Output is correct |
7 |
Correct |
18 ms |
125528 KB |
Output is correct |
8 |
Correct |
20 ms |
125532 KB |
Output is correct |
9 |
Correct |
18 ms |
125528 KB |
Output is correct |
10 |
Correct |
19 ms |
125532 KB |
Output is correct |
11 |
Correct |
19 ms |
125532 KB |
Output is correct |
12 |
Correct |
18 ms |
125532 KB |
Output is correct |
13 |
Correct |
19 ms |
125404 KB |
Output is correct |
14 |
Correct |
18 ms |
125528 KB |
Output is correct |
15 |
Correct |
18 ms |
125532 KB |
Output is correct |
16 |
Correct |
19 ms |
125608 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
123484 KB |
Output is correct |
2 |
Correct |
18 ms |
123484 KB |
Output is correct |
3 |
Correct |
18 ms |
123548 KB |
Output is correct |
4 |
Correct |
21 ms |
123484 KB |
Output is correct |
5 |
Correct |
19 ms |
123484 KB |
Output is correct |
6 |
Correct |
18 ms |
125616 KB |
Output is correct |
7 |
Correct |
18 ms |
125528 KB |
Output is correct |
8 |
Correct |
20 ms |
125532 KB |
Output is correct |
9 |
Correct |
18 ms |
125528 KB |
Output is correct |
10 |
Correct |
19 ms |
125532 KB |
Output is correct |
11 |
Correct |
19 ms |
125532 KB |
Output is correct |
12 |
Correct |
18 ms |
125532 KB |
Output is correct |
13 |
Correct |
19 ms |
125404 KB |
Output is correct |
14 |
Correct |
18 ms |
125528 KB |
Output is correct |
15 |
Correct |
18 ms |
125532 KB |
Output is correct |
16 |
Correct |
19 ms |
125608 KB |
Output is correct |
17 |
Correct |
18 ms |
125528 KB |
Output is correct |
18 |
Correct |
19 ms |
125528 KB |
Output is correct |
19 |
Correct |
20 ms |
125532 KB |
Output is correct |
20 |
Correct |
18 ms |
125528 KB |
Output is correct |
21 |
Correct |
21 ms |
125528 KB |
Output is correct |
22 |
Correct |
20 ms |
125528 KB |
Output is correct |
23 |
Correct |
18 ms |
125532 KB |
Output is correct |
24 |
Correct |
18 ms |
125532 KB |
Output is correct |
25 |
Correct |
18 ms |
123480 KB |
Output is correct |
26 |
Correct |
18 ms |
123484 KB |
Output is correct |
27 |
Correct |
22 ms |
125532 KB |
Output is correct |
28 |
Correct |
21 ms |
125612 KB |
Output is correct |
29 |
Correct |
21 ms |
125528 KB |
Output is correct |
30 |
Correct |
18 ms |
125532 KB |
Output is correct |
31 |
Correct |
23 ms |
125532 KB |
Output is correct |
32 |
Correct |
19 ms |
125532 KB |
Output is correct |
33 |
Correct |
24 ms |
125468 KB |
Output is correct |
34 |
Correct |
23 ms |
125528 KB |
Output is correct |
35 |
Correct |
32 ms |
125532 KB |
Output is correct |
36 |
Correct |
30 ms |
125604 KB |
Output is correct |
37 |
Correct |
17 ms |
125412 KB |
Output is correct |
38 |
Correct |
25 ms |
125524 KB |
Output is correct |
39 |
Correct |
21 ms |
125532 KB |
Output is correct |
40 |
Correct |
29 ms |
125604 KB |
Output is correct |
41 |
Correct |
22 ms |
125532 KB |
Output is correct |
42 |
Correct |
18 ms |
125532 KB |
Output is correct |
43 |
Correct |
22 ms |
125616 KB |
Output is correct |
44 |
Correct |
23 ms |
125784 KB |
Output is correct |
45 |
Correct |
22 ms |
125528 KB |
Output is correct |
46 |
Correct |
19 ms |
125532 KB |
Output is correct |
47 |
Correct |
18 ms |
125528 KB |
Output is correct |
48 |
Correct |
20 ms |
125532 KB |
Output is correct |
49 |
Correct |
18 ms |
125532 KB |
Output is correct |
50 |
Correct |
20 ms |
125476 KB |
Output is correct |
51 |
Correct |
20 ms |
125528 KB |
Output is correct |
52 |
Correct |
21 ms |
125532 KB |
Output is correct |
53 |
Correct |
20 ms |
125532 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
123484 KB |
Output is correct |
2 |
Correct |
18 ms |
123484 KB |
Output is correct |
3 |
Correct |
18 ms |
123548 KB |
Output is correct |
4 |
Correct |
21 ms |
123484 KB |
Output is correct |
5 |
Correct |
19 ms |
123484 KB |
Output is correct |
6 |
Correct |
18 ms |
125616 KB |
Output is correct |
7 |
Correct |
18 ms |
125528 KB |
Output is correct |
8 |
Correct |
20 ms |
125532 KB |
Output is correct |
9 |
Correct |
18 ms |
125528 KB |
Output is correct |
10 |
Correct |
19 ms |
125532 KB |
Output is correct |
11 |
Correct |
19 ms |
125532 KB |
Output is correct |
12 |
Correct |
18 ms |
125532 KB |
Output is correct |
13 |
Correct |
19 ms |
125404 KB |
Output is correct |
14 |
Correct |
18 ms |
125528 KB |
Output is correct |
15 |
Correct |
18 ms |
125532 KB |
Output is correct |
16 |
Correct |
19 ms |
125608 KB |
Output is correct |
17 |
Correct |
18 ms |
125528 KB |
Output is correct |
18 |
Correct |
19 ms |
125528 KB |
Output is correct |
19 |
Correct |
20 ms |
125532 KB |
Output is correct |
20 |
Correct |
18 ms |
125528 KB |
Output is correct |
21 |
Correct |
21 ms |
125528 KB |
Output is correct |
22 |
Correct |
20 ms |
125528 KB |
Output is correct |
23 |
Correct |
18 ms |
125532 KB |
Output is correct |
24 |
Correct |
18 ms |
125532 KB |
Output is correct |
25 |
Correct |
18 ms |
123480 KB |
Output is correct |
26 |
Correct |
18 ms |
123484 KB |
Output is correct |
27 |
Correct |
22 ms |
125532 KB |
Output is correct |
28 |
Correct |
21 ms |
125612 KB |
Output is correct |
29 |
Correct |
21 ms |
125528 KB |
Output is correct |
30 |
Correct |
18 ms |
125532 KB |
Output is correct |
31 |
Correct |
23 ms |
125532 KB |
Output is correct |
32 |
Correct |
19 ms |
125532 KB |
Output is correct |
33 |
Correct |
24 ms |
125468 KB |
Output is correct |
34 |
Correct |
23 ms |
125528 KB |
Output is correct |
35 |
Correct |
32 ms |
125532 KB |
Output is correct |
36 |
Correct |
30 ms |
125604 KB |
Output is correct |
37 |
Correct |
17 ms |
125412 KB |
Output is correct |
38 |
Correct |
25 ms |
125524 KB |
Output is correct |
39 |
Correct |
21 ms |
125532 KB |
Output is correct |
40 |
Correct |
29 ms |
125604 KB |
Output is correct |
41 |
Correct |
22 ms |
125532 KB |
Output is correct |
42 |
Correct |
18 ms |
125532 KB |
Output is correct |
43 |
Correct |
22 ms |
125616 KB |
Output is correct |
44 |
Correct |
23 ms |
125784 KB |
Output is correct |
45 |
Correct |
22 ms |
125528 KB |
Output is correct |
46 |
Correct |
19 ms |
125532 KB |
Output is correct |
47 |
Correct |
18 ms |
125528 KB |
Output is correct |
48 |
Correct |
20 ms |
125532 KB |
Output is correct |
49 |
Correct |
18 ms |
125532 KB |
Output is correct |
50 |
Correct |
20 ms |
125476 KB |
Output is correct |
51 |
Correct |
20 ms |
125528 KB |
Output is correct |
52 |
Correct |
21 ms |
125532 KB |
Output is correct |
53 |
Correct |
20 ms |
125532 KB |
Output is correct |
54 |
Correct |
19 ms |
125528 KB |
Output is correct |
55 |
Correct |
25 ms |
193364 KB |
Output is correct |
56 |
Correct |
21 ms |
125532 KB |
Output is correct |
57 |
Correct |
24 ms |
172636 KB |
Output is correct |
58 |
Correct |
57 ms |
152144 KB |
Output is correct |
59 |
Correct |
331 ms |
217488 KB |
Output is correct |
60 |
Correct |
339 ms |
217428 KB |
Output is correct |
61 |
Correct |
381 ms |
217428 KB |
Output is correct |
62 |
Correct |
24 ms |
125784 KB |
Output is correct |
63 |
Correct |
314 ms |
216720 KB |
Output is correct |
64 |
Runtime error |
400 ms |
262192 KB |
Execution killed with signal 9 |
65 |
Halted |
0 ms |
0 KB |
- |