답안 #89219 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
89219	2018-12-11T01:56:00 Z	sjhuang26	Dango Maker (JOI18_dango_maker)	C++14	100 / 100	678 ms	138552 KB

dango_maker

#include<iostream>
#include<string>
using namespace std;
// N, M <= 3000
int N,M,d[3][3000],a[3000][3000];
bool fv[3000][3000]={},fh[3000][3000]={};
int main(){
	cin>>N>>M;
	for(int i=0;i<N;++i){
		string in;cin>>ws>>in;
		for(int j=0;j<M;++j){
			if(in[j]=='R')a[i][j]=0;
			if(in[j]=='G')a[i][j]=1;
			if(in[j]=='W')a[i][j]=2;
		}
	}
	// vertical
	for(int i=0;i<N-2;++i){
		for(int j=0;j<M;++j){
			if(a[i][j]==0&&a[i+1][j]==1&&a[i+2][j]==2)fv[i][j]=1;
		}
	}
	// horizontal
	for(int i=0;i<N;++i){
		for(int j=0;j<M-2;++j){
			if(a[i][j]==0&&a[i][j+1]==1&&a[i][j+2]==2)fh[i][j]=1;
		}
	}
	int ans=0;
	for(int i=0;i<N;++i){
		int j=i,k=0,m=0;
		while(j!=-1&&k!=M){
			d[0][m]=d[1][m]=d[2][m]=0;
			if(m>0){
				if(fh[j][k])d[0][m]=d[0][m-1]+1;
				else if(fv[j][k])d[0][m]=d[2][m-1]+1;
				d[0][m]=max(d[0][m],d[0][m-1]);
			}else{
				d[0][m]=fh[j][k]||fv[j][k];
			}
			if(m>0){
				if(fv[j][k])d[1][m]=d[2][m-1]+1;
				d[1][m]=max(d[1][m],d[0][m-1]);
			}else{
				d[1][m]=fv[j][k];
			}
			if(m>0){
				if(fv[j][k])d[2][m]=d[2][m-1]+1;
				d[2][m]=max(d[2][m],d[1][m-1]);
			}else{
				d[2][m]=fv[j][k];
			}
			--j;++k;++m;
		}
		ans+=d[0][m-1];
	}
	// nearly duplicated code 
	for(int i=1;i<M;++i){
		int j=N-1,k=i,m=0;
		while(j!=-1&&k!=M){
			d[0][m]=d[1][m]=d[2][m]=0;
			if(m>0){
				if(fh[j][k])d[0][m]=d[0][m-1]+1;
				else if(fv[j][k])d[0][m]=d[2][m-1]+1;
				d[0][m]=max(d[0][m],d[0][m-1]);
			}else{
				d[0][m]=fh[j][k]||fv[j][k];
			}
			if(m>0){
				if(fv[j][k])d[1][m]=d[2][m-1]+1;
				d[1][m]=max(d[1][m],d[0][m-1]);
			}else{
				d[1][m]=fv[j][k];
			}
			if(m>0){
				if(fv[j][k])d[2][m]=d[2][m-1]+1;
				d[2][m]=max(d[2][m],d[1][m-1]);
			}else{
				d[2][m]=fv[j][k];
			}
			--j;++k;++m;
		}
		ans+=d[0][m-1];
	}
	cout<<ans<<'\n';
	return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	368 KB	Output is correct
2	Correct	2 ms	504 KB	Output is correct
3	Correct	2 ms	616 KB	Output is correct
4	Correct	2 ms	616 KB	Output is correct
5	Correct	2 ms	704 KB	Output is correct
6	Correct	2 ms	704 KB	Output is correct
7	Correct	2 ms	704 KB	Output is correct
8	Correct	2 ms	704 KB	Output is correct
9	Correct	2 ms	740 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	776 KB	Output is correct
13	Correct	2 ms	780 KB	Output is correct
14	Correct	2 ms	784 KB	Output is correct
15	Correct	2 ms	788 KB	Output is correct
16	Correct	2 ms	792 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	368 KB	Output is correct
2	Correct	2 ms	504 KB	Output is correct
3	Correct	2 ms	616 KB	Output is correct
4	Correct	2 ms	616 KB	Output is correct
5	Correct	2 ms	704 KB	Output is correct
6	Correct	2 ms	704 KB	Output is correct
7	Correct	2 ms	704 KB	Output is correct
8	Correct	2 ms	704 KB	Output is correct
9	Correct	2 ms	740 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	776 KB	Output is correct
13	Correct	2 ms	780 KB	Output is correct
14	Correct	2 ms	784 KB	Output is correct
15	Correct	2 ms	788 KB	Output is correct
16	Correct	2 ms	792 KB	Output is correct
17	Correct	2 ms	796 KB	Output is correct
18	Correct	2 ms	804 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	812 KB	Output is correct
21	Correct	2 ms	836 KB	Output is correct
22	Correct	2 ms	836 KB	Output is correct
23	Correct	2 ms	836 KB	Output is correct
24	Correct	2 ms	836 KB	Output is correct
25	Correct	2 ms	836 KB	Output is correct
26	Correct	2 ms	836 KB	Output is correct
27	Correct	2 ms	840 KB	Output is correct
28	Correct	2 ms	844 KB	Output is correct
29	Correct	2 ms	848 KB	Output is correct
30	Correct	2 ms	852 KB	Output is correct
31	Correct	2 ms	856 KB	Output is correct
32	Correct	2 ms	860 KB	Output is correct
33	Correct	2 ms	864 KB	Output is correct
34	Correct	2 ms	868 KB	Output is correct
35	Correct	2 ms	872 KB	Output is correct
36	Correct	2 ms	876 KB	Output is correct
37	Correct	2 ms	884 KB	Output is correct
38	Correct	2 ms	884 KB	Output is correct
39	Correct	2 ms	888 KB	Output is correct
40	Correct	2 ms	892 KB	Output is correct
41	Correct	2 ms	896 KB	Output is correct
42	Correct	2 ms	900 KB	Output is correct
43	Correct	2 ms	904 KB	Output is correct
44	Correct	2 ms	928 KB	Output is correct
45	Correct	2 ms	928 KB	Output is correct
46	Correct	2 ms	928 KB	Output is correct
47	Correct	2 ms	928 KB	Output is correct
48	Correct	2 ms	928 KB	Output is correct
49	Correct	2 ms	928 KB	Output is correct
50	Correct	2 ms	932 KB	Output is correct
51	Correct	2 ms	936 KB	Output is correct
52	Correct	2 ms	940 KB	Output is correct
53	Correct	2 ms	956 KB	Output is correct

Subtask #3
67.0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	368 KB	Output is correct
2	Correct	2 ms	504 KB	Output is correct
3	Correct	2 ms	616 KB	Output is correct
4	Correct	2 ms	616 KB	Output is correct
5	Correct	2 ms	704 KB	Output is correct
6	Correct	2 ms	704 KB	Output is correct
7	Correct	2 ms	704 KB	Output is correct
8	Correct	2 ms	704 KB	Output is correct
9	Correct	2 ms	740 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	776 KB	Output is correct
13	Correct	2 ms	780 KB	Output is correct
14	Correct	2 ms	784 KB	Output is correct
15	Correct	2 ms	788 KB	Output is correct
16	Correct	2 ms	792 KB	Output is correct
17	Correct	2 ms	796 KB	Output is correct
18	Correct	2 ms	804 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	812 KB	Output is correct
21	Correct	2 ms	836 KB	Output is correct
22	Correct	2 ms	836 KB	Output is correct
23	Correct	2 ms	836 KB	Output is correct
24	Correct	2 ms	836 KB	Output is correct
25	Correct	2 ms	836 KB	Output is correct
26	Correct	2 ms	836 KB	Output is correct
27	Correct	2 ms	840 KB	Output is correct
28	Correct	2 ms	844 KB	Output is correct
29	Correct	2 ms	848 KB	Output is correct
30	Correct	2 ms	852 KB	Output is correct
31	Correct	2 ms	856 KB	Output is correct
32	Correct	2 ms	860 KB	Output is correct
33	Correct	2 ms	864 KB	Output is correct
34	Correct	2 ms	868 KB	Output is correct
35	Correct	2 ms	872 KB	Output is correct
36	Correct	2 ms	876 KB	Output is correct
37	Correct	2 ms	884 KB	Output is correct
38	Correct	2 ms	884 KB	Output is correct
39	Correct	2 ms	888 KB	Output is correct
40	Correct	2 ms	892 KB	Output is correct
41	Correct	2 ms	896 KB	Output is correct
42	Correct	2 ms	900 KB	Output is correct
43	Correct	2 ms	904 KB	Output is correct
44	Correct	2 ms	928 KB	Output is correct
45	Correct	2 ms	928 KB	Output is correct
46	Correct	2 ms	928 KB	Output is correct
47	Correct	2 ms	928 KB	Output is correct
48	Correct	2 ms	928 KB	Output is correct
49	Correct	2 ms	928 KB	Output is correct
50	Correct	2 ms	932 KB	Output is correct
51	Correct	2 ms	936 KB	Output is correct
52	Correct	2 ms	940 KB	Output is correct
53	Correct	2 ms	956 KB	Output is correct
54	Correct	2 ms	956 KB	Output is correct
55	Correct	17 ms	13472 KB	Output is correct
56	Correct	3 ms	13472 KB	Output is correct
57	Correct	17 ms	17248 KB	Output is correct
58	Correct	78 ms	17248 KB	Output is correct
59	Correct	671 ms	63632 KB	Output is correct
60	Correct	678 ms	72648 KB	Output is correct
61	Correct	668 ms	81444 KB	Output is correct
62	Correct	3 ms	81444 KB	Output is correct
63	Correct	661 ms	89972 KB	Output is correct
64	Correct	495 ms	98660 KB	Output is correct
65	Correct	476 ms	107476 KB	Output is correct
66	Correct	494 ms	116380 KB	Output is correct
67	Correct	456 ms	116380 KB	Output is correct
68	Correct	454 ms	123472 KB	Output is correct
69	Correct	495 ms	138552 KB	Output is correct
70	Correct	56 ms	138552 KB	Output is correct
71	Correct	59 ms	138552 KB	Output is correct
72	Correct	53 ms	138552 KB	Output is correct
73	Correct	57 ms	138552 KB	Output is correct
74	Correct	52 ms	138552 KB	Output is correct
75	Correct	57 ms	138552 KB	Output is correct
76	Correct	57 ms	138552 KB	Output is correct
77	Correct	55 ms	138552 KB	Output is correct
78	Correct	53 ms	138552 KB	Output is correct
79	Correct	53 ms	138552 KB	Output is correct
80	Correct	55 ms	138552 KB	Output is correct
81	Correct	58 ms	138552 KB	Output is correct
82	Correct	58 ms	138552 KB	Output is correct
83	Correct	56 ms	138552 KB	Output is correct
84	Correct	56 ms	138552 KB	Output is correct
85	Correct	55 ms	138552 KB	Output is correct
86	Correct	58 ms	138552 KB	Output is correct
87	Correct	55 ms	138552 KB	Output is correct
88	Correct	59 ms	138552 KB	Output is correct
89	Correct	61 ms	138552 KB	Output is correct
90	Correct	57 ms	138552 KB	Output is correct

답안 #89219

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