#include <iostream>
using namespace std;
string terrain[3000];
bool estPasse[3][3000][3000];
int dyn[3][3000][3000];
int nbLigs, nbCols;
bool estValide(int lig, int col) {
return lig >= 0 && lig < nbLigs && col >= 0 && col < nbCols;
}
int maxLignes(int lig, int col, int peutBas) {
if(lig <= -1 || col >= nbCols)
return 0;
if(estPasse[peutBas][lig][col])
return dyn[peutBas][lig][col];
estPasse[peutBas][lig][col] = true;
bool valideBas = (peutBas == 0), valideDroite = true;
if(terrain[lig][col] != 'R') {
valideBas = false;
valideDroite = false;
}
if(!estValide(lig + 1, col) || terrain[lig + 1][col] != 'G')
valideBas = false;
if(!estValide(lig + 2, col) || terrain[lig + 2][col] != 'W')
valideBas = false;
if(!estValide(lig, col + 1) || terrain[lig][col + 1] != 'G')
valideDroite = false;
if(!estValide(lig, col + 2) || terrain[lig][col + 2] != 'W')
valideDroite = false;
int maxi = maxLignes(lig - 1, col + 1, max(0, peutBas - 1)) + valideBas;
if(valideDroite) {
maxi = max(maxi, maxLignes(lig - 1, col + 1, 2) + 1);
}
dyn[peutBas][lig][col] = maxi;
return maxi;
}
int main() {
ios_base::sync_with_stdio(false);
cin >> nbLigs >> nbCols;
for(int iLig = 0;iLig < nbLigs;iLig++) {
cin >> terrain[iLig];
}
int totalLignes = 0;
for(int iLig = 0;iLig < nbLigs;iLig++) {
totalLignes += maxLignes(iLig, 0, 0);
}
for(int iCol = 1;iCol < nbCols;iCol++) {
totalLignes += maxLignes(nbLigs - 1, iCol, 0);
}
cout << totalLignes << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
4 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
512 KB |
Output is correct |
5 |
Correct |
3 ms |
512 KB |
Output is correct |
6 |
Correct |
3 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
3 ms |
512 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
512 KB |
Output is correct |
11 |
Correct |
3 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
3 ms |
432 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
3 ms |
512 KB |
Output is correct |
16 |
Correct |
3 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
4 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
512 KB |
Output is correct |
5 |
Correct |
3 ms |
512 KB |
Output is correct |
6 |
Correct |
3 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
3 ms |
512 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
512 KB |
Output is correct |
11 |
Correct |
3 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
3 ms |
432 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
3 ms |
512 KB |
Output is correct |
16 |
Correct |
3 ms |
512 KB |
Output is correct |
17 |
Correct |
2 ms |
512 KB |
Output is correct |
18 |
Correct |
3 ms |
512 KB |
Output is correct |
19 |
Correct |
2 ms |
640 KB |
Output is correct |
20 |
Correct |
3 ms |
640 KB |
Output is correct |
21 |
Correct |
3 ms |
512 KB |
Output is correct |
22 |
Correct |
2 ms |
640 KB |
Output is correct |
23 |
Correct |
2 ms |
640 KB |
Output is correct |
24 |
Correct |
2 ms |
512 KB |
Output is correct |
25 |
Correct |
2 ms |
640 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
640 KB |
Output is correct |
28 |
Correct |
3 ms |
640 KB |
Output is correct |
29 |
Correct |
3 ms |
640 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
3 ms |
512 KB |
Output is correct |
32 |
Correct |
3 ms |
512 KB |
Output is correct |
33 |
Correct |
3 ms |
640 KB |
Output is correct |
34 |
Correct |
3 ms |
640 KB |
Output is correct |
35 |
Correct |
2 ms |
640 KB |
Output is correct |
36 |
Correct |
2 ms |
640 KB |
Output is correct |
37 |
Correct |
2 ms |
640 KB |
Output is correct |
38 |
Correct |
2 ms |
640 KB |
Output is correct |
39 |
Correct |
3 ms |
640 KB |
Output is correct |
40 |
Correct |
2 ms |
640 KB |
Output is correct |
41 |
Correct |
2 ms |
640 KB |
Output is correct |
42 |
Correct |
3 ms |
640 KB |
Output is correct |
43 |
Correct |
3 ms |
640 KB |
Output is correct |
44 |
Correct |
2 ms |
652 KB |
Output is correct |
45 |
Correct |
3 ms |
640 KB |
Output is correct |
46 |
Correct |
3 ms |
640 KB |
Output is correct |
47 |
Correct |
2 ms |
640 KB |
Output is correct |
48 |
Correct |
2 ms |
640 KB |
Output is correct |
49 |
Correct |
3 ms |
640 KB |
Output is correct |
50 |
Correct |
3 ms |
640 KB |
Output is correct |
51 |
Correct |
3 ms |
640 KB |
Output is correct |
52 |
Correct |
3 ms |
640 KB |
Output is correct |
53 |
Correct |
3 ms |
612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
4 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
512 KB |
Output is correct |
5 |
Correct |
3 ms |
512 KB |
Output is correct |
6 |
Correct |
3 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
3 ms |
512 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
512 KB |
Output is correct |
11 |
Correct |
3 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
3 ms |
432 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
3 ms |
512 KB |
Output is correct |
16 |
Correct |
3 ms |
512 KB |
Output is correct |
17 |
Correct |
2 ms |
512 KB |
Output is correct |
18 |
Correct |
3 ms |
512 KB |
Output is correct |
19 |
Correct |
2 ms |
640 KB |
Output is correct |
20 |
Correct |
3 ms |
640 KB |
Output is correct |
21 |
Correct |
3 ms |
512 KB |
Output is correct |
22 |
Correct |
2 ms |
640 KB |
Output is correct |
23 |
Correct |
2 ms |
640 KB |
Output is correct |
24 |
Correct |
2 ms |
512 KB |
Output is correct |
25 |
Correct |
2 ms |
640 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
640 KB |
Output is correct |
28 |
Correct |
3 ms |
640 KB |
Output is correct |
29 |
Correct |
3 ms |
640 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
3 ms |
512 KB |
Output is correct |
32 |
Correct |
3 ms |
512 KB |
Output is correct |
33 |
Correct |
3 ms |
640 KB |
Output is correct |
34 |
Correct |
3 ms |
640 KB |
Output is correct |
35 |
Correct |
2 ms |
640 KB |
Output is correct |
36 |
Correct |
2 ms |
640 KB |
Output is correct |
37 |
Correct |
2 ms |
640 KB |
Output is correct |
38 |
Correct |
2 ms |
640 KB |
Output is correct |
39 |
Correct |
3 ms |
640 KB |
Output is correct |
40 |
Correct |
2 ms |
640 KB |
Output is correct |
41 |
Correct |
2 ms |
640 KB |
Output is correct |
42 |
Correct |
3 ms |
640 KB |
Output is correct |
43 |
Correct |
3 ms |
640 KB |
Output is correct |
44 |
Correct |
2 ms |
652 KB |
Output is correct |
45 |
Correct |
3 ms |
640 KB |
Output is correct |
46 |
Correct |
3 ms |
640 KB |
Output is correct |
47 |
Correct |
2 ms |
640 KB |
Output is correct |
48 |
Correct |
2 ms |
640 KB |
Output is correct |
49 |
Correct |
3 ms |
640 KB |
Output is correct |
50 |
Correct |
3 ms |
640 KB |
Output is correct |
51 |
Correct |
3 ms |
640 KB |
Output is correct |
52 |
Correct |
3 ms |
640 KB |
Output is correct |
53 |
Correct |
3 ms |
612 KB |
Output is correct |
54 |
Correct |
3 ms |
512 KB |
Output is correct |
55 |
Correct |
22 ms |
21248 KB |
Output is correct |
56 |
Correct |
4 ms |
768 KB |
Output is correct |
57 |
Correct |
33 ms |
32504 KB |
Output is correct |
58 |
Correct |
92 ms |
34732 KB |
Output is correct |
59 |
Correct |
780 ms |
151292 KB |
Output is correct |
60 |
Correct |
655 ms |
151460 KB |
Output is correct |
61 |
Correct |
749 ms |
151340 KB |
Output is correct |
62 |
Correct |
2 ms |
512 KB |
Output is correct |
63 |
Correct |
629 ms |
150536 KB |
Output is correct |
64 |
Correct |
978 ms |
151372 KB |
Output is correct |
65 |
Correct |
1059 ms |
151516 KB |
Output is correct |
66 |
Correct |
1119 ms |
151380 KB |
Output is correct |
67 |
Correct |
507 ms |
63376 KB |
Output is correct |
68 |
Correct |
435 ms |
63864 KB |
Output is correct |
69 |
Correct |
538 ms |
95928 KB |
Output is correct |
70 |
Correct |
104 ms |
35092 KB |
Output is correct |
71 |
Correct |
117 ms |
35052 KB |
Output is correct |
72 |
Correct |
137 ms |
35124 KB |
Output is correct |
73 |
Correct |
112 ms |
35064 KB |
Output is correct |
74 |
Correct |
99 ms |
35064 KB |
Output is correct |
75 |
Correct |
98 ms |
35064 KB |
Output is correct |
76 |
Correct |
138 ms |
35064 KB |
Output is correct |
77 |
Correct |
102 ms |
35064 KB |
Output is correct |
78 |
Correct |
97 ms |
35036 KB |
Output is correct |
79 |
Correct |
128 ms |
35212 KB |
Output is correct |
80 |
Correct |
123 ms |
35064 KB |
Output is correct |
81 |
Correct |
127 ms |
35020 KB |
Output is correct |
82 |
Correct |
99 ms |
35064 KB |
Output is correct |
83 |
Correct |
118 ms |
35164 KB |
Output is correct |
84 |
Correct |
113 ms |
35064 KB |
Output is correct |
85 |
Correct |
134 ms |
35024 KB |
Output is correct |
86 |
Correct |
131 ms |
35084 KB |
Output is correct |
87 |
Correct |
112 ms |
35192 KB |
Output is correct |
88 |
Correct |
135 ms |
35088 KB |
Output is correct |
89 |
Correct |
112 ms |
35084 KB |
Output is correct |
90 |
Correct |
114 ms |
35096 KB |
Output is correct |