#include <bits/stdc++.h>
using namespace std;
#define int long long
#define form2(i, a, b) for (int i = (a); i < (b); ++i)
#define ford2(i, a, b) for (int i = (a-1); i >= b; --i)
#define form(i, n) form2(i, 0, n)
#define ford(i, n) ford2(i, n, 0)
#define chmax(x, v) x = max(x, (v))
#define chmin(x, v) x = min(x, (v))
#define fi first
#define se second
const long long BIG = 1000000000000000000LL;
typedef long long ll;
typedef long double ld;
void cpr(string s, vector<int> v)
{ int i = 0; for (char c : s) { if (c == '$') cout << v[i++]; else cout << c; } cout << '\n'; }
void cpr(string s) { cpr(s, {}); }
void solve();
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
solve();
return 0;
}
const int borne = 3005;
int nblig, nbcol;
char grille[borne][borne];
bool rdy[2][borne][borne];
int dp[borne][borne][3];
void tt(int lig, int col)
{
if (lig > 0 && lig+1 < nblig) {
if (grille[lig-1][col] == 'R' && grille[lig][col] == 'G' && grille[lig+1][col] == 'W') {
rdy[0][lig][col] = true;
}
}
if (col > 0 && col+1 < nbcol) {
if (grille[lig][col-1] == 'R' && grille[lig][col] == 'G' && grille[lig][col+1] == 'W') {
rdy[1][lig][col] = true;
}
}
}
int gdp(int lig, int col, int mode)
{
int &rep = dp[lig][col][mode];
if (rep != -1) return rep;
rep = 0;
if (lig >= nblig || col < 0) return rep;
if (mode == 0 || mode == 2) {
if (rdy[0][lig][col]) {
chmax(rep, 1+gdp(lig+1,col-1,0));
}
}
if (mode == 1 || mode == 2) {
if (rdy[1][lig][col]) {
chmax(rep, 1+gdp(lig+1,col-1,1));
}
}
chmax(rep, gdp(lig+1,col-1,2));
return rep;
}
void solve()
{
fill_n(&dp[0][0][0], borne*borne*3, -1);
cin >> nblig >> nbcol;
form(i, nblig) form(j, nbcol) {
cin >> grille[i][j];
}
form(i, nblig) form(j, nbcol) {
tt(i,j);
}
int tot = 0;
tot += gdp(0, nbcol-1, 2);
form(colini, nbcol-1) tot += gdp(0, colini, 2);
form2(ligini, 1, nblig) tot += gdp(ligini, nbcol-1, 2);
cout << tot << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
250 ms |
212676 KB |
Output is correct |
2 |
Correct |
150 ms |
212468 KB |
Output is correct |
3 |
Correct |
142 ms |
212344 KB |
Output is correct |
4 |
Correct |
146 ms |
212468 KB |
Output is correct |
5 |
Correct |
136 ms |
212432 KB |
Output is correct |
6 |
Correct |
145 ms |
212432 KB |
Output is correct |
7 |
Correct |
139 ms |
212368 KB |
Output is correct |
8 |
Correct |
142 ms |
212472 KB |
Output is correct |
9 |
Correct |
158 ms |
212380 KB |
Output is correct |
10 |
Correct |
157 ms |
212448 KB |
Output is correct |
11 |
Correct |
161 ms |
212472 KB |
Output is correct |
12 |
Correct |
173 ms |
212360 KB |
Output is correct |
13 |
Correct |
172 ms |
212412 KB |
Output is correct |
14 |
Correct |
157 ms |
212472 KB |
Output is correct |
15 |
Correct |
157 ms |
212472 KB |
Output is correct |
16 |
Correct |
163 ms |
212404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
250 ms |
212676 KB |
Output is correct |
2 |
Correct |
150 ms |
212468 KB |
Output is correct |
3 |
Correct |
142 ms |
212344 KB |
Output is correct |
4 |
Correct |
146 ms |
212468 KB |
Output is correct |
5 |
Correct |
136 ms |
212432 KB |
Output is correct |
6 |
Correct |
145 ms |
212432 KB |
Output is correct |
7 |
Correct |
139 ms |
212368 KB |
Output is correct |
8 |
Correct |
142 ms |
212472 KB |
Output is correct |
9 |
Correct |
158 ms |
212380 KB |
Output is correct |
10 |
Correct |
157 ms |
212448 KB |
Output is correct |
11 |
Correct |
161 ms |
212472 KB |
Output is correct |
12 |
Correct |
173 ms |
212360 KB |
Output is correct |
13 |
Correct |
172 ms |
212412 KB |
Output is correct |
14 |
Correct |
157 ms |
212472 KB |
Output is correct |
15 |
Correct |
157 ms |
212472 KB |
Output is correct |
16 |
Correct |
163 ms |
212404 KB |
Output is correct |
17 |
Correct |
158 ms |
212472 KB |
Output is correct |
18 |
Correct |
158 ms |
212472 KB |
Output is correct |
19 |
Correct |
138 ms |
212472 KB |
Output is correct |
20 |
Correct |
145 ms |
212468 KB |
Output is correct |
21 |
Correct |
138 ms |
212472 KB |
Output is correct |
22 |
Correct |
144 ms |
212472 KB |
Output is correct |
23 |
Correct |
160 ms |
212476 KB |
Output is correct |
24 |
Correct |
146 ms |
212412 KB |
Output is correct |
25 |
Correct |
148 ms |
212416 KB |
Output is correct |
26 |
Correct |
139 ms |
212472 KB |
Output is correct |
27 |
Correct |
139 ms |
212504 KB |
Output is correct |
28 |
Correct |
148 ms |
212428 KB |
Output is correct |
29 |
Correct |
144 ms |
212444 KB |
Output is correct |
30 |
Correct |
137 ms |
212472 KB |
Output is correct |
31 |
Correct |
142 ms |
212392 KB |
Output is correct |
32 |
Correct |
155 ms |
212452 KB |
Output is correct |
33 |
Correct |
143 ms |
212472 KB |
Output is correct |
34 |
Correct |
144 ms |
212472 KB |
Output is correct |
35 |
Correct |
141 ms |
212484 KB |
Output is correct |
36 |
Correct |
145 ms |
212460 KB |
Output is correct |
37 |
Correct |
140 ms |
212648 KB |
Output is correct |
38 |
Correct |
151 ms |
212532 KB |
Output is correct |
39 |
Correct |
144 ms |
212624 KB |
Output is correct |
40 |
Correct |
186 ms |
212508 KB |
Output is correct |
41 |
Correct |
152 ms |
212600 KB |
Output is correct |
42 |
Correct |
192 ms |
212456 KB |
Output is correct |
43 |
Correct |
159 ms |
212472 KB |
Output is correct |
44 |
Correct |
177 ms |
212536 KB |
Output is correct |
45 |
Correct |
158 ms |
212552 KB |
Output is correct |
46 |
Correct |
159 ms |
212576 KB |
Output is correct |
47 |
Correct |
166 ms |
212472 KB |
Output is correct |
48 |
Correct |
163 ms |
212472 KB |
Output is correct |
49 |
Correct |
143 ms |
212472 KB |
Output is correct |
50 |
Correct |
150 ms |
212548 KB |
Output is correct |
51 |
Correct |
147 ms |
212532 KB |
Output is correct |
52 |
Correct |
153 ms |
212472 KB |
Output is correct |
53 |
Correct |
159 ms |
212528 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
250 ms |
212676 KB |
Output is correct |
2 |
Correct |
150 ms |
212468 KB |
Output is correct |
3 |
Correct |
142 ms |
212344 KB |
Output is correct |
4 |
Correct |
146 ms |
212468 KB |
Output is correct |
5 |
Correct |
136 ms |
212432 KB |
Output is correct |
6 |
Correct |
145 ms |
212432 KB |
Output is correct |
7 |
Correct |
139 ms |
212368 KB |
Output is correct |
8 |
Correct |
142 ms |
212472 KB |
Output is correct |
9 |
Correct |
158 ms |
212380 KB |
Output is correct |
10 |
Correct |
157 ms |
212448 KB |
Output is correct |
11 |
Correct |
161 ms |
212472 KB |
Output is correct |
12 |
Correct |
173 ms |
212360 KB |
Output is correct |
13 |
Correct |
172 ms |
212412 KB |
Output is correct |
14 |
Correct |
157 ms |
212472 KB |
Output is correct |
15 |
Correct |
157 ms |
212472 KB |
Output is correct |
16 |
Correct |
163 ms |
212404 KB |
Output is correct |
17 |
Correct |
158 ms |
212472 KB |
Output is correct |
18 |
Correct |
158 ms |
212472 KB |
Output is correct |
19 |
Correct |
138 ms |
212472 KB |
Output is correct |
20 |
Correct |
145 ms |
212468 KB |
Output is correct |
21 |
Correct |
138 ms |
212472 KB |
Output is correct |
22 |
Correct |
144 ms |
212472 KB |
Output is correct |
23 |
Correct |
160 ms |
212476 KB |
Output is correct |
24 |
Correct |
146 ms |
212412 KB |
Output is correct |
25 |
Correct |
148 ms |
212416 KB |
Output is correct |
26 |
Correct |
139 ms |
212472 KB |
Output is correct |
27 |
Correct |
139 ms |
212504 KB |
Output is correct |
28 |
Correct |
148 ms |
212428 KB |
Output is correct |
29 |
Correct |
144 ms |
212444 KB |
Output is correct |
30 |
Correct |
137 ms |
212472 KB |
Output is correct |
31 |
Correct |
142 ms |
212392 KB |
Output is correct |
32 |
Correct |
155 ms |
212452 KB |
Output is correct |
33 |
Correct |
143 ms |
212472 KB |
Output is correct |
34 |
Correct |
144 ms |
212472 KB |
Output is correct |
35 |
Correct |
141 ms |
212484 KB |
Output is correct |
36 |
Correct |
145 ms |
212460 KB |
Output is correct |
37 |
Correct |
140 ms |
212648 KB |
Output is correct |
38 |
Correct |
151 ms |
212532 KB |
Output is correct |
39 |
Correct |
144 ms |
212624 KB |
Output is correct |
40 |
Correct |
186 ms |
212508 KB |
Output is correct |
41 |
Correct |
152 ms |
212600 KB |
Output is correct |
42 |
Correct |
192 ms |
212456 KB |
Output is correct |
43 |
Correct |
159 ms |
212472 KB |
Output is correct |
44 |
Correct |
177 ms |
212536 KB |
Output is correct |
45 |
Correct |
158 ms |
212552 KB |
Output is correct |
46 |
Correct |
159 ms |
212576 KB |
Output is correct |
47 |
Correct |
166 ms |
212472 KB |
Output is correct |
48 |
Correct |
163 ms |
212472 KB |
Output is correct |
49 |
Correct |
143 ms |
212472 KB |
Output is correct |
50 |
Correct |
150 ms |
212548 KB |
Output is correct |
51 |
Correct |
147 ms |
212532 KB |
Output is correct |
52 |
Correct |
153 ms |
212472 KB |
Output is correct |
53 |
Correct |
159 ms |
212528 KB |
Output is correct |
54 |
Correct |
160 ms |
212508 KB |
Output is correct |
55 |
Correct |
172 ms |
221660 KB |
Output is correct |
56 |
Correct |
168 ms |
212480 KB |
Output is correct |
57 |
Correct |
170 ms |
226552 KB |
Output is correct |
58 |
Correct |
235 ms |
222444 KB |
Output is correct |
59 |
Correct |
876 ms |
248176 KB |
Output is correct |
60 |
Correct |
873 ms |
247908 KB |
Output is correct |
61 |
Correct |
917 ms |
248040 KB |
Output is correct |
62 |
Correct |
150 ms |
212532 KB |
Output is correct |
63 |
Correct |
837 ms |
247796 KB |
Output is correct |
64 |
Correct |
944 ms |
247968 KB |
Output is correct |
65 |
Correct |
900 ms |
247976 KB |
Output is correct |
66 |
Correct |
882 ms |
247928 KB |
Output is correct |
67 |
Correct |
713 ms |
237304 KB |
Output is correct |
68 |
Correct |
736 ms |
237348 KB |
Output is correct |
69 |
Correct |
820 ms |
243888 KB |
Output is correct |
70 |
Correct |
255 ms |
222456 KB |
Output is correct |
71 |
Correct |
201 ms |
222200 KB |
Output is correct |
72 |
Correct |
215 ms |
222276 KB |
Output is correct |
73 |
Correct |
203 ms |
222328 KB |
Output is correct |
74 |
Correct |
209 ms |
222244 KB |
Output is correct |
75 |
Correct |
208 ms |
222236 KB |
Output is correct |
76 |
Correct |
232 ms |
222324 KB |
Output is correct |
77 |
Correct |
205 ms |
222328 KB |
Output is correct |
78 |
Correct |
210 ms |
222360 KB |
Output is correct |
79 |
Correct |
212 ms |
222328 KB |
Output is correct |
80 |
Correct |
214 ms |
222408 KB |
Output is correct |
81 |
Correct |
202 ms |
222328 KB |
Output is correct |
82 |
Correct |
211 ms |
222460 KB |
Output is correct |
83 |
Correct |
215 ms |
222308 KB |
Output is correct |
84 |
Correct |
219 ms |
222328 KB |
Output is correct |
85 |
Correct |
237 ms |
222328 KB |
Output is correct |
86 |
Correct |
243 ms |
222456 KB |
Output is correct |
87 |
Correct |
242 ms |
222328 KB |
Output is correct |
88 |
Correct |
242 ms |
222300 KB |
Output is correct |
89 |
Correct |
225 ms |
222360 KB |
Output is correct |
90 |
Correct |
228 ms |
222448 KB |
Output is correct |