#include <bits/stdc++.h>
using namespace std;
/* sorry, this is the bare minimum :'( */
using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
#define all(v) begin(v), end(v)
#define sz(v) (int)(v).size()
#define fi first
#define se second
string to_string(string s) {
return '"' + s + '"';
}
string to_string(const char* s) {
return to_string((string) s);
}
string to_string(bool b) {
return (b ? "true" : "false");
}
template <typename A, typename B>
string to_string(pair<A, B> p) {
return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
template <typename A>
string to_string(A v) {
bool first = true;
string res = "{";
for (const auto &x : v) {
if (!first) {
res += ", ";
}
first = false;
res += to_string(x);
}
res += "}";
return res;
}
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << " " << to_string(H);
debug_out(T...);
}
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
const int N = 3003;
int dp[N][N][3]; // 0 = nothin, 1 = vertical, 2 = horizontal
char g[N][N];
int cnt[3][N][N];
int n, m;
int main(int argc, char const *argv[])
{
cin.sync_with_stdio(0); cin.tie(0);
cin.exceptions(cin.failbit);
#ifdef LOCAL
freopen("in", "r", stdin);
#endif
cin >> n >> m;
for(int i = 1; i <= n; ++i) {
cin >> (g[i] + 1);
}
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= m; ++j) {
if(g[i-1][j] == 'R' and g[i][j] == 'G' and g[i+1][j] == 'W')
cnt[1][i][j] = 1;
if(g[i][j-1] == 'R' and g[i][j] == 'G' and g[i][j+1] == 'W')
cnt[2][i][j] = 1;
}
}
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= m; ++j) {
dp[i][j][0] = max({dp[i-1][j+1][0], dp[i-1][j+1][1], dp[i-1][j+1][2]});
for(int k : {1, 2}) {
dp[i][j][k] = max({dp[i-1][j+1][k], dp[i-1][j+1][0]}) + cnt[k][i][j];
}
}
}
int ans = 0;
for(int i = 1; i <= n; ++i) {
ans += max({dp[i][1][0], dp[i][1][1], dp[i][1][2]});
debug(max({dp[i][1][0], dp[i][1][1], dp[i][1][2]}));
}
for(int j = 2; j <= m; ++j) {
ans += max({dp[n][j][0], dp[n][j][1], dp[n][j][2]});
debug(max({dp[n][j][0], dp[n][j][1], dp[n][j][2]}));
}
cout << ans << endl;
return 0;
}
Compilation message
dango_maker.cpp: In function 'int main(int, const char**)':
dango_maker.cpp:56:20: warning: statement has no effect [-Wunused-value]
56 | #define debug(...) 42
| ^~
dango_maker.cpp:96:5: note: in expansion of macro 'debug'
96 | debug(max({dp[i][1][0], dp[i][1][1], dp[i][1][2]}));
| ^~~~~
dango_maker.cpp:56:20: warning: statement has no effect [-Wunused-value]
56 | #define debug(...) 42
| ^~
dango_maker.cpp:100:5: note: in expansion of macro 'debug'
100 | debug(max({dp[n][j][0], dp[n][j][1], dp[n][j][2]}));
| ^~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
640 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
1 ms |
492 KB |
Output is correct |
35 |
Correct |
1 ms |
492 KB |
Output is correct |
36 |
Correct |
1 ms |
492 KB |
Output is correct |
37 |
Correct |
1 ms |
492 KB |
Output is correct |
38 |
Correct |
1 ms |
492 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
492 KB |
Output is correct |
41 |
Correct |
1 ms |
492 KB |
Output is correct |
42 |
Correct |
1 ms |
492 KB |
Output is correct |
43 |
Correct |
1 ms |
492 KB |
Output is correct |
44 |
Correct |
1 ms |
492 KB |
Output is correct |
45 |
Correct |
1 ms |
492 KB |
Output is correct |
46 |
Correct |
1 ms |
492 KB |
Output is correct |
47 |
Correct |
1 ms |
492 KB |
Output is correct |
48 |
Correct |
1 ms |
492 KB |
Output is correct |
49 |
Correct |
1 ms |
492 KB |
Output is correct |
50 |
Correct |
1 ms |
492 KB |
Output is correct |
51 |
Correct |
1 ms |
492 KB |
Output is correct |
52 |
Correct |
1 ms |
492 KB |
Output is correct |
53 |
Correct |
1 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
640 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
1 ms |
492 KB |
Output is correct |
35 |
Correct |
1 ms |
492 KB |
Output is correct |
36 |
Correct |
1 ms |
492 KB |
Output is correct |
37 |
Correct |
1 ms |
492 KB |
Output is correct |
38 |
Correct |
1 ms |
492 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
492 KB |
Output is correct |
41 |
Correct |
1 ms |
492 KB |
Output is correct |
42 |
Correct |
1 ms |
492 KB |
Output is correct |
43 |
Correct |
1 ms |
492 KB |
Output is correct |
44 |
Correct |
1 ms |
492 KB |
Output is correct |
45 |
Correct |
1 ms |
492 KB |
Output is correct |
46 |
Correct |
1 ms |
492 KB |
Output is correct |
47 |
Correct |
1 ms |
492 KB |
Output is correct |
48 |
Correct |
1 ms |
492 KB |
Output is correct |
49 |
Correct |
1 ms |
492 KB |
Output is correct |
50 |
Correct |
1 ms |
492 KB |
Output is correct |
51 |
Correct |
1 ms |
492 KB |
Output is correct |
52 |
Correct |
1 ms |
492 KB |
Output is correct |
53 |
Correct |
1 ms |
492 KB |
Output is correct |
54 |
Correct |
1 ms |
364 KB |
Output is correct |
55 |
Correct |
15 ms |
21996 KB |
Output is correct |
56 |
Correct |
1 ms |
620 KB |
Output is correct |
57 |
Correct |
14 ms |
24556 KB |
Output is correct |
58 |
Correct |
33 ms |
34668 KB |
Output is correct |
59 |
Correct |
218 ms |
185600 KB |
Output is correct |
60 |
Correct |
219 ms |
185580 KB |
Output is correct |
61 |
Correct |
230 ms |
185580 KB |
Output is correct |
62 |
Correct |
1 ms |
492 KB |
Output is correct |
63 |
Correct |
219 ms |
185580 KB |
Output is correct |
64 |
Correct |
143 ms |
185708 KB |
Output is correct |
65 |
Correct |
141 ms |
185580 KB |
Output is correct |
66 |
Correct |
142 ms |
185580 KB |
Output is correct |
67 |
Correct |
125 ms |
130924 KB |
Output is correct |
68 |
Correct |
125 ms |
131052 KB |
Output is correct |
69 |
Correct |
131 ms |
140780 KB |
Output is correct |
70 |
Correct |
23 ms |
34924 KB |
Output is correct |
71 |
Correct |
23 ms |
34924 KB |
Output is correct |
72 |
Correct |
24 ms |
34924 KB |
Output is correct |
73 |
Correct |
27 ms |
34924 KB |
Output is correct |
74 |
Correct |
24 ms |
34924 KB |
Output is correct |
75 |
Correct |
24 ms |
34924 KB |
Output is correct |
76 |
Correct |
24 ms |
34924 KB |
Output is correct |
77 |
Correct |
23 ms |
34924 KB |
Output is correct |
78 |
Correct |
24 ms |
34924 KB |
Output is correct |
79 |
Correct |
24 ms |
34924 KB |
Output is correct |
80 |
Correct |
24 ms |
34924 KB |
Output is correct |
81 |
Correct |
24 ms |
34924 KB |
Output is correct |
82 |
Correct |
23 ms |
34924 KB |
Output is correct |
83 |
Correct |
24 ms |
34924 KB |
Output is correct |
84 |
Correct |
24 ms |
34924 KB |
Output is correct |
85 |
Correct |
23 ms |
34924 KB |
Output is correct |
86 |
Correct |
24 ms |
34924 KB |
Output is correct |
87 |
Correct |
23 ms |
34924 KB |
Output is correct |
88 |
Correct |
23 ms |
34924 KB |
Output is correct |
89 |
Correct |
23 ms |
34924 KB |
Output is correct |
90 |
Correct |
24 ms |
34924 KB |
Output is correct |