oj.uz

Submission #1113774

# Submission time Handle Problem Language Result Execution time Memory
1113774 2024-11-17T11:58:18 Z Dan4Life Dango Maker (JOI18_dango_maker) C++17
100 / 100
 252 ms 19024 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int N = (int)3e3+2;
int n, m;
string s[N];

int calc(int i, int j){
	int x = i, y = j;
	vector<array<int,2>> v; v.clear(); v.pb({x,y});
	while(x+1<n and y) x++, y--, v.pb({x,y});
	reverse(all(v)); int dp[sz(v)+1][3];
	for(int i = 0; i <= sz(v); i++) 
		for(int j = 0; j < 3; j++) dp[i][j]=-N*N;
	dp[0][0] = dp[0][1] = dp[0][2] = 0;
	for(i = 1; i <= sz(v); i++){
		dp[i][0] = max({dp[i-1][0],dp[i-1][1],dp[i-1][2]});
		auto [x,y] = v[i-1];
		if(s[x][y]==3 or s[x][y]==1){
			dp[i][1] = max({dp[i-1][0],dp[i-1][1],dp[i-1][2]})+1;
		}
		if(s[x][y]==3 or s[x][y]==2){
			dp[i][2] = dp[i-1][2]+1;
			if(i>=2) dp[i][2] = max(dp[i][2], max(dp[i-2][0],dp[i-2][2])+1);
		}
	}
	return max({dp[sz(v)][0],dp[sz(v)][1],dp[sz(v)][2]});
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n >> m;
	for(int i = 0; i < n; i++) cin >> s[i];
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			if(s[i][j]!='R') continue;
			bool ok1 = 0, ok2 = 0;
			if(j+2<m and s[i][j+1]=='G' and s[i][j+2]=='W') ok1=1;
			if(i+2<n and s[i+1][j]=='G' and s[i+2][j]=='W') ok2=1;
			s[i][j] = ok2*2+ok1;
		}
	}
	for(int i = 0; i < n; i++)
		for(int j = 0; j < m; j++)
			if(s[i][j]=='G' or s[i][j]=='W') s[i][j]=0;
	int ans = 0;
	for(int j = 0; j < m; j++) ans+=calc(0,j);
	for(int i = 1; i < n; i++) ans+=calc(i,m-1);
	cout << ans << "\n";
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 380 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 504 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 380 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 2 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 504 KB Output is correct
30 Correct 2 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 1 ms 336 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 2 ms 500 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 1 ms 592 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 560 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 556 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 500 KB Output is correct
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 380 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 2 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 504 KB Output is correct
30 Correct 2 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 1 ms 336 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 2 ms 500 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 1 ms 592 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 560 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 556 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 500 KB Output is correct
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 564 KB Output is correct
56 Correct 1 ms 592 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 24 ms 2604 KB Output is correct
59 Correct 251 ms 18944 KB Output is correct
60 Correct 252 ms 19016 KB Output is correct
61 Correct 240 ms 19016 KB Output is correct
62 Correct 1 ms 336 KB Output is correct
63 Correct 238 ms 18272 KB Output is correct
64 Correct 168 ms 19024 KB Output is correct
65 Correct 172 ms 19016 KB Output is correct
66 Correct 181 ms 19016 KB Output is correct
67 Correct 173 ms 19016 KB Output is correct
68 Correct 175 ms 19016 KB Output is correct
69 Correct 190 ms 19016 KB Output is correct
70 Correct 17 ms 2384 KB Output is correct
71 Correct 18 ms 2620 KB Output is correct
72 Correct 16 ms 2552 KB Output is correct
73 Correct 16 ms 2384 KB Output is correct
74 Correct 15 ms 2384 KB Output is correct
75 Correct 16 ms 2384 KB Output is correct
76 Correct 16 ms 2384 KB Output is correct
77 Correct 16 ms 2384 KB Output is correct
78 Correct 17 ms 2384 KB Output is correct
79 Correct 16 ms 2384 KB Output is correct
80 Correct 16 ms 2384 KB Output is correct
81 Correct 19 ms 2384 KB Output is correct
82 Correct 16 ms 2640 KB Output is correct
83 Correct 16 ms 2384 KB Output is correct
84 Correct 16 ms 2384 KB Output is correct
85 Correct 17 ms 2604 KB Output is correct
86 Correct 15 ms 2624 KB Output is correct
87 Correct 16 ms 2384 KB Output is correct
88 Correct 16 ms 2384 KB Output is correct
89 Correct 17 ms 2384 KB Output is correct
90 Correct 16 ms 2384 KB Output is correct