Submission #709716

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
709716	2023-03-14T08:56:09 Z	Baytoro	Dango Maker (JOI18_dango_maker)	C++17	100 / 100	626 ms	18076 KB

dango_maker

#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define endl '\n'
#define ll long long
#define int long long
void fopn(string name){
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
const int INF=2e9,mod=1e9+7,N=2e5+10;
int dp[3005][5];
char c[3005][3005];
void solve(){
	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 ans=0;
	for(int s=2;s<=n+m;s++){
		int res=0;
		for(int i=1;i<=m;i++) dp[i][1]=dp[i][2]=0;
		for(int i=1;i<=m;i++){
			int j=s-i;
			if(j<1 || j>n) continue;
			dp[i][1]=max(dp[i-1][1],dp[i-1][2]);
			if(i>3)
				dp[i][2]=max(dp[i-1][2],dp[i-3][1]);
			if(j>2 && c[j-2][i]=='R' && c[j-1][i]=='G' && c[j][i]=='W')
				dp[i][1]=max(dp[i-1][2],dp[i-1][1])+1;
			if(i>2 && c[j][i-2]=='R' && c[j][i-1]=='G' && c[j][i]=='W')
				dp[i][2]=max(dp[i-1][2],dp[i-3][1])+1;
			res=max(res,max(dp[i][1],dp[i][2]));
		}
		ans+=res;
	}
	
	cout<<ans;
}
main(){
	//fopn("cbarn");
	//ios;
	int T=1;
	//cin>>T;
	for(int i=1;i<=T;i++){
		//cout<<"Case #"<<i<<": ";
		solve();
		//cout<<endl;
	}
}

Compilation message

dango_maker.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main(){
      | ^~~~
dango_maker.cpp: In function 'void fopn(std::string)':
dango_maker.cpp:13:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dango_maker.cpp:14:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	312 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	308 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	312 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	340 KB	Output is correct
47	Correct	0 ms	304 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	304 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct

Subtask #3
67.0 / 67.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	312 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	308 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	312 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	340 KB	Output is correct
47	Correct	0 ms	304 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	304 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	16 ms	340 KB	Output is correct
55	Correct	4 ms	9044 KB	Output is correct
56	Correct	17 ms	340 KB	Output is correct
57	Correct	5 ms	6100 KB	Output is correct
58	Correct	70 ms	4252 KB	Output is correct
59	Correct	626 ms	18024 KB	Output is correct
60	Correct	618 ms	18024 KB	Output is correct
61	Correct	618 ms	18056 KB	Output is correct
62	Correct	14 ms	340 KB	Output is correct
63	Correct	608 ms	17644 KB	Output is correct
64	Correct	578 ms	17996 KB	Output is correct
65	Correct	599 ms	17956 KB	Output is correct
66	Correct	583 ms	18036 KB	Output is correct
67	Correct	564 ms	18076 KB	Output is correct
68	Correct	597 ms	18024 KB	Output is correct
69	Correct	589 ms	18028 KB	Output is correct
70	Correct	61 ms	4176 KB	Output is correct
71	Correct	64 ms	4204 KB	Output is correct
72	Correct	70 ms	4196 KB	Output is correct
73	Correct	62 ms	4232 KB	Output is correct
74	Correct	69 ms	4148 KB	Output is correct
75	Correct	66 ms	4200 KB	Output is correct
76	Correct	65 ms	4172 KB	Output is correct
77	Correct	62 ms	4236 KB	Output is correct
78	Correct	65 ms	4260 KB	Output is correct
79	Correct	63 ms	4256 KB	Output is correct
80	Correct	63 ms	4244 KB	Output is correct
81	Correct	65 ms	4236 KB	Output is correct
82	Correct	60 ms	4172 KB	Output is correct
83	Correct	69 ms	4300 KB	Output is correct
84	Correct	66 ms	4156 KB	Output is correct
85	Correct	77 ms	4156 KB	Output is correct
86	Correct	68 ms	4172 KB	Output is correct
87	Correct	67 ms	4252 KB	Output is correct
88	Correct	63 ms	4164 KB	Output is correct
89	Correct	67 ms	4248 KB	Output is correct
90	Correct	67 ms	4240 KB	Output is correct

Submission #709716

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 20.0 / 20.0

Subtask #3 67.0 / 67.0

Subtask #1
13.0 / 13.0

Subtask #2
20.0 / 20.0

Subtask #3
67.0 / 67.0