#include <bits/stdc++.h>
#define all(a) a.begin(),a.end()
#define pb push_back
using namespace std ;
const int maxn = 3002 , maxq =1e5 , inf = 1e9 + 100 , mod = 1e9 + 7 ;
char c[maxn][maxn] ;
vector <int> G[maxq] ;
vector <pair <int , int > > vec[maxq] ;
int ans[2] ;
int dp[maxq][3] ;
bool mark[maxq] , u[maxn][maxn] , t[maxn][maxn];
void dfs(int v , int k){
mark[v] = 1;
ans[k]++;
for(int i = 0 ; i < (int)G[v].size() ; i++){
int u = G[v][i] ;
if(mark[u] == 1)continue ;
dfs(u , k^1);
}
}
signed main(){
int n , m ;
cin >> n >> m ;
for(int i = 1; i <= n ; i++){
for(int j = 1; j <= m ; j++){
cin >> c[i][j] ;
}
}
int cnt = 0 ;
for(int i =1 ; i <= n ; i++){
for(int j = 1; j <= m ; j++){
vec[i+j].pb({i,j});
if(i <= (n-2) && c[i][j] == 'R' && c[i+1][j] == 'G' && c[i+2][j] == 'W'){
t[i][j] = 1;
}
if(j <= (m-2) && c[i][j] == 'R' && c[i][j+1] == 'G' && c[i][j+2] == 'W'){
u[i][j] = 1 ;
}
}
}
int ans1 = 0 ;
for(int i = 2; i <= (n+m) ; i++){
for(int j = 1 ; j <= vec[i].size() ; j++){
int x = vec[i][j-1].first , y = vec[i][j-1].second ;
dp[j][0] = max(dp[j-1][0] , max(dp[j-1][1] , dp[j-1][2]));
dp[j][1] = dp[j][2] = 0 ;
if(u[x][y] == 1){
dp[j][1] = 1 + max(dp[j-1][1] , (j == 1 ? 0 : max(dp[j-2][1] , dp[j-2][0])));
}
if(t[x][y] == 1){
dp[j][2] = 1 + max(dp[j-1][0] , max(dp[j-1][1] , dp[j-1][2]));
}
}
int j = vec[i].size() ;
ans1 += max(dp[j][0] , max(dp[j][1] , dp[j][2]));
}
cout << ans1 << "\n";
}
Compilation message
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:44:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | for(int j = 1 ; j <= vec[i].size() ; j++){
| ~~^~~~~~~~~~~~~~~~
dango_maker.cpp:30:6: warning: unused variable 'cnt' [-Wunused-variable]
30 | int cnt = 0 ;
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
5012 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
5012 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5008 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5008 KB |
Output is correct |
15 |
Correct |
4 ms |
5012 KB |
Output is correct |
16 |
Correct |
3 ms |
5072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
5012 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
5012 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5008 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5008 KB |
Output is correct |
15 |
Correct |
4 ms |
5012 KB |
Output is correct |
16 |
Correct |
3 ms |
5072 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
5016 KB |
Output is correct |
19 |
Correct |
3 ms |
5076 KB |
Output is correct |
20 |
Correct |
3 ms |
5076 KB |
Output is correct |
21 |
Correct |
3 ms |
5016 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5012 KB |
Output is correct |
24 |
Correct |
3 ms |
5012 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
5012 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
3 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5008 KB |
Output is correct |
30 |
Correct |
3 ms |
5012 KB |
Output is correct |
31 |
Correct |
3 ms |
5012 KB |
Output is correct |
32 |
Correct |
3 ms |
5012 KB |
Output is correct |
33 |
Correct |
3 ms |
5076 KB |
Output is correct |
34 |
Correct |
3 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
3 ms |
5076 KB |
Output is correct |
37 |
Correct |
3 ms |
5076 KB |
Output is correct |
38 |
Correct |
3 ms |
5076 KB |
Output is correct |
39 |
Correct |
3 ms |
5012 KB |
Output is correct |
40 |
Correct |
3 ms |
5076 KB |
Output is correct |
41 |
Correct |
3 ms |
5008 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5012 KB |
Output is correct |
44 |
Correct |
3 ms |
5076 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
3 ms |
5076 KB |
Output is correct |
47 |
Correct |
3 ms |
5076 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
5076 KB |
Output is correct |
50 |
Correct |
3 ms |
5076 KB |
Output is correct |
51 |
Correct |
3 ms |
5016 KB |
Output is correct |
52 |
Correct |
3 ms |
5012 KB |
Output is correct |
53 |
Correct |
3 ms |
5076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
5012 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
5012 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5008 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5008 KB |
Output is correct |
15 |
Correct |
4 ms |
5012 KB |
Output is correct |
16 |
Correct |
3 ms |
5072 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
5016 KB |
Output is correct |
19 |
Correct |
3 ms |
5076 KB |
Output is correct |
20 |
Correct |
3 ms |
5076 KB |
Output is correct |
21 |
Correct |
3 ms |
5016 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5012 KB |
Output is correct |
24 |
Correct |
3 ms |
5012 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
5012 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
3 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5008 KB |
Output is correct |
30 |
Correct |
3 ms |
5012 KB |
Output is correct |
31 |
Correct |
3 ms |
5012 KB |
Output is correct |
32 |
Correct |
3 ms |
5012 KB |
Output is correct |
33 |
Correct |
3 ms |
5076 KB |
Output is correct |
34 |
Correct |
3 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
3 ms |
5076 KB |
Output is correct |
37 |
Correct |
3 ms |
5076 KB |
Output is correct |
38 |
Correct |
3 ms |
5076 KB |
Output is correct |
39 |
Correct |
3 ms |
5012 KB |
Output is correct |
40 |
Correct |
3 ms |
5076 KB |
Output is correct |
41 |
Correct |
3 ms |
5008 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5012 KB |
Output is correct |
44 |
Correct |
3 ms |
5076 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
3 ms |
5076 KB |
Output is correct |
47 |
Correct |
3 ms |
5076 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
5076 KB |
Output is correct |
50 |
Correct |
3 ms |
5076 KB |
Output is correct |
51 |
Correct |
3 ms |
5016 KB |
Output is correct |
52 |
Correct |
3 ms |
5012 KB |
Output is correct |
53 |
Correct |
3 ms |
5076 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
9 ms |
14360 KB |
Output is correct |
56 |
Correct |
5 ms |
5332 KB |
Output is correct |
57 |
Correct |
11 ms |
19284 KB |
Output is correct |
58 |
Correct |
88 ms |
25416 KB |
Output is correct |
59 |
Correct |
713 ms |
133028 KB |
Output is correct |
60 |
Correct |
708 ms |
132896 KB |
Output is correct |
61 |
Correct |
728 ms |
132900 KB |
Output is correct |
62 |
Correct |
4 ms |
5076 KB |
Output is correct |
63 |
Correct |
702 ms |
129484 KB |
Output is correct |
64 |
Correct |
786 ms |
132908 KB |
Output is correct |
65 |
Correct |
794 ms |
133004 KB |
Output is correct |
66 |
Correct |
799 ms |
132836 KB |
Output is correct |
67 |
Correct |
777 ms |
122400 KB |
Output is correct |
68 |
Correct |
748 ms |
122340 KB |
Output is correct |
69 |
Correct |
721 ms |
128668 KB |
Output is correct |
70 |
Correct |
81 ms |
25400 KB |
Output is correct |
71 |
Correct |
83 ms |
25412 KB |
Output is correct |
72 |
Correct |
82 ms |
25360 KB |
Output is correct |
73 |
Correct |
82 ms |
25380 KB |
Output is correct |
74 |
Correct |
82 ms |
25368 KB |
Output is correct |
75 |
Correct |
81 ms |
25372 KB |
Output is correct |
76 |
Correct |
86 ms |
25412 KB |
Output is correct |
77 |
Correct |
80 ms |
25368 KB |
Output is correct |
78 |
Correct |
82 ms |
25452 KB |
Output is correct |
79 |
Correct |
81 ms |
25364 KB |
Output is correct |
80 |
Correct |
82 ms |
25420 KB |
Output is correct |
81 |
Correct |
81 ms |
25524 KB |
Output is correct |
82 |
Correct |
81 ms |
25404 KB |
Output is correct |
83 |
Correct |
84 ms |
25468 KB |
Output is correct |
84 |
Correct |
81 ms |
25424 KB |
Output is correct |
85 |
Correct |
81 ms |
25428 KB |
Output is correct |
86 |
Correct |
82 ms |
25408 KB |
Output is correct |
87 |
Correct |
81 ms |
25328 KB |
Output is correct |
88 |
Correct |
82 ms |
25376 KB |
Output is correct |
89 |
Correct |
80 ms |
25328 KB |
Output is correct |
90 |
Correct |
81 ms |
25352 KB |
Output is correct |