Submission #507588

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
507588	2022-01-12T18:58:23 Z	CSQ31	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	100 / 100	272 ms	384776 KB

joi2019_ho_t3

#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9;
int dp[3][401][401][401],pos[3][401],cnt[3];
int cost[3][3][401][401];
void chmin(int &x,int y){
	x = min(x,y);
}
int main()
{
	int n;
	string s;
	cin>>n>>s;
	vector<int>c;
	for(char x:s){
		if(x == 'R')c.push_back(0);
		if(x == 'G')c.push_back(1);
		if(x == 'Y')c.push_back(2);
	}
	for(int i=0;i<=n;i++)pos[0][i] = pos[1][i] = pos[2][i] = -1;
	for(int i=0;i<n;i++)pos[c[i]][cnt[c[i]]++] = i;
	/*
	for(int i=0;i<3;i++){
		for(int j=0;j<cnt[i];j++)cout<<pos[i][j]<<" ";
		cout<<'\n';
	}*/
	for(int c1=0;c1<3;c1++){
		for(int c2=0;c2<3;c2++){
			if(c1 == c2)continue;
			for(int i=0;i<cnt[c1];i++){
				for(int j=0;j<cnt[c2];j++){
					cost[c1][c2][i][j] = pos[c2][j] > pos[c1][i];
					if(j)cost[c1][c2][i][j]+=cost[c1][c2][i][j-1];	
				}	
			}
		}
	}
	for(int i=0;i<=n;i++)
		for(int j=0;j<=i;j++)
			for(int k=0;k+j<=i;k++)
				dp[0][i][j][k] = dp[1][i][j][k] = dp[2][i][j][k] = INF;
				
				
	
	dp[0][0][0][0] = dp[1][0][0][0] = dp[2][0][0][0] = 0;
	array<int,3>p;
	for(int i=0;i<n;i++){
		for(int j=0;j<=i;j++){
			for(int k=0;k+j<=i;k++){
				p = {j,k,i-j-k}; //number of rgy
				
				for(int c1=0;c1<3;c1++){ //previous color
					if(dp[c1][i][j][k] == INF)continue; 
					for(int c2=0;c2<3;c2++){ //current color
						if(c1 == c2 || pos[c2][p[c2]] == -1)continue;
						int tot = 0;
						for(int c3=0;c3<3;c3++){
							if(p[c3])tot+=cost[c2][c3][p[c2]][p[c3]-1];
						}
						if(c2 == 0)chmin(dp[0][i+1][j+1][k],dp[c1][i][j][k] + tot);
						if(c2 == 1)chmin(dp[1][i+1][j][k+1],dp[c1][i][j][k] + tot);
						if(c2 == 2)chmin(dp[2][i+1][j][k],dp[c1][i][j][k] + tot);
					}
					
				}
			}
		}
	}
	int mn = INF;
	for(int i=0;i<3;i++)mn = min(mn,dp[i][n][cnt[0]][cnt[1]]);
	if(mn == INF)mn = -1;
	cout<<mn<<'\n';
	
	
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	816 KB	Output is correct
5	Correct	1 ms	1100 KB	Output is correct
6	Correct	1 ms	1100 KB	Output is correct
7	Correct	1 ms	1100 KB	Output is correct
8	Correct	1 ms	1100 KB	Output is correct
9	Correct	1 ms	1100 KB	Output is correct
10	Correct	1 ms	1100 KB	Output is correct
11	Correct	1 ms	1100 KB	Output is correct
12	Correct	1 ms	1100 KB	Output is correct
13	Correct	1 ms	1200 KB	Output is correct
14	Correct	1 ms	1100 KB	Output is correct
15	Correct	1 ms	1100 KB	Output is correct
16	Correct	1 ms	1100 KB	Output is correct
17	Correct	1 ms	972 KB	Output is correct

Subtask #2
55.0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	816 KB	Output is correct
5	Correct	1 ms	1100 KB	Output is correct
6	Correct	1 ms	1100 KB	Output is correct
7	Correct	1 ms	1100 KB	Output is correct
8	Correct	1 ms	1100 KB	Output is correct
9	Correct	1 ms	1100 KB	Output is correct
10	Correct	1 ms	1100 KB	Output is correct
11	Correct	1 ms	1100 KB	Output is correct
12	Correct	1 ms	1100 KB	Output is correct
13	Correct	1 ms	1200 KB	Output is correct
14	Correct	1 ms	1100 KB	Output is correct
15	Correct	1 ms	1100 KB	Output is correct
16	Correct	1 ms	1100 KB	Output is correct
17	Correct	1 ms	972 KB	Output is correct
18	Correct	4 ms	10060 KB	Output is correct
19	Correct	5 ms	10060 KB	Output is correct
20	Correct	4 ms	10060 KB	Output is correct
21	Correct	6 ms	10060 KB	Output is correct
22	Correct	4 ms	10060 KB	Output is correct
23	Correct	5 ms	10028 KB	Output is correct
24	Correct	4 ms	10060 KB	Output is correct
25	Correct	5 ms	10052 KB	Output is correct
26	Correct	4 ms	10060 KB	Output is correct
27	Correct	5 ms	10068 KB	Output is correct
28	Correct	5 ms	10060 KB	Output is correct
29	Correct	7 ms	10060 KB	Output is correct
30	Correct	5 ms	10060 KB	Output is correct
31	Correct	4 ms	10060 KB	Output is correct
32	Correct	5 ms	10060 KB	Output is correct
33	Correct	4 ms	9676 KB	Output is correct
34	Correct	5 ms	9676 KB	Output is correct
35	Correct	6 ms	9420 KB	Output is correct
36	Correct	4 ms	9676 KB	Output is correct
37	Correct	4 ms	9164 KB	Output is correct
38	Correct	4 ms	10060 KB	Output is correct
39	Correct	4 ms	10060 KB	Output is correct
40	Correct	5 ms	9548 KB	Output is correct
41	Correct	4 ms	10060 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	200 ms	384052 KB	Output is correct
3	Correct	191 ms	382284 KB	Output is correct
4	Correct	191 ms	384080 KB	Output is correct
5	Correct	210 ms	384080 KB	Output is correct
6	Correct	190 ms	384084 KB	Output is correct
7	Correct	189 ms	382168 KB	Output is correct
8	Correct	196 ms	382196 KB	Output is correct
9	Correct	189 ms	380316 KB	Output is correct
10	Correct	193 ms	384024 KB	Output is correct
11	Correct	193 ms	384068 KB	Output is correct
12	Correct	49 ms	104024 KB	Output is correct
13	Correct	85 ms	182056 KB	Output is correct
14	Correct	127 ms	262740 KB	Output is correct
15	Correct	196 ms	384084 KB	Output is correct
16	Correct	189 ms	384020 KB	Output is correct

Subtask #4
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	816 KB	Output is correct
5	Correct	1 ms	1100 KB	Output is correct
6	Correct	1 ms	1100 KB	Output is correct
7	Correct	1 ms	1100 KB	Output is correct
8	Correct	1 ms	1100 KB	Output is correct
9	Correct	1 ms	1100 KB	Output is correct
10	Correct	1 ms	1100 KB	Output is correct
11	Correct	1 ms	1100 KB	Output is correct
12	Correct	1 ms	1100 KB	Output is correct
13	Correct	1 ms	1200 KB	Output is correct
14	Correct	1 ms	1100 KB	Output is correct
15	Correct	1 ms	1100 KB	Output is correct
16	Correct	1 ms	1100 KB	Output is correct
17	Correct	1 ms	972 KB	Output is correct
18	Correct	4 ms	10060 KB	Output is correct
19	Correct	5 ms	10060 KB	Output is correct
20	Correct	4 ms	10060 KB	Output is correct
21	Correct	6 ms	10060 KB	Output is correct
22	Correct	4 ms	10060 KB	Output is correct
23	Correct	5 ms	10028 KB	Output is correct
24	Correct	4 ms	10060 KB	Output is correct
25	Correct	5 ms	10052 KB	Output is correct
26	Correct	4 ms	10060 KB	Output is correct
27	Correct	5 ms	10068 KB	Output is correct
28	Correct	5 ms	10060 KB	Output is correct
29	Correct	7 ms	10060 KB	Output is correct
30	Correct	5 ms	10060 KB	Output is correct
31	Correct	4 ms	10060 KB	Output is correct
32	Correct	5 ms	10060 KB	Output is correct
33	Correct	4 ms	9676 KB	Output is correct
34	Correct	5 ms	9676 KB	Output is correct
35	Correct	6 ms	9420 KB	Output is correct
36	Correct	4 ms	9676 KB	Output is correct
37	Correct	4 ms	9164 KB	Output is correct
38	Correct	4 ms	10060 KB	Output is correct
39	Correct	4 ms	10060 KB	Output is correct
40	Correct	5 ms	9548 KB	Output is correct
41	Correct	4 ms	10060 KB	Output is correct
42	Correct	0 ms	332 KB	Output is correct
43	Correct	200 ms	384052 KB	Output is correct
44	Correct	191 ms	382284 KB	Output is correct
45	Correct	191 ms	384080 KB	Output is correct
46	Correct	210 ms	384080 KB	Output is correct
47	Correct	190 ms	384084 KB	Output is correct
48	Correct	189 ms	382168 KB	Output is correct
49	Correct	196 ms	382196 KB	Output is correct
50	Correct	189 ms	380316 KB	Output is correct
51	Correct	193 ms	384024 KB	Output is correct
52	Correct	193 ms	384068 KB	Output is correct
53	Correct	49 ms	104024 KB	Output is correct
54	Correct	85 ms	182056 KB	Output is correct
55	Correct	127 ms	262740 KB	Output is correct
56	Correct	196 ms	384084 KB	Output is correct
57	Correct	189 ms	384020 KB	Output is correct
58	Correct	272 ms	384728 KB	Output is correct
59	Correct	241 ms	384708 KB	Output is correct
60	Correct	243 ms	380920 KB	Output is correct
61	Correct	253 ms	382756 KB	Output is correct
62	Correct	190 ms	384708 KB	Output is correct
63	Correct	198 ms	384736 KB	Output is correct
64	Correct	215 ms	384776 KB	Output is correct
65	Correct	211 ms	382756 KB	Output is correct
66	Correct	242 ms	379060 KB	Output is correct
67	Correct	250 ms	384708 KB	Output is correct
68	Correct	253 ms	382792 KB	Output is correct
69	Correct	255 ms	384676 KB	Output is correct
70	Correct	244 ms	384752 KB	Output is correct
71	Correct	244 ms	382836 KB	Output is correct
72	Correct	222 ms	382880 KB	Output is correct
73	Correct	193 ms	384728 KB	Output is correct

Submission #507588

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 55.0 / 55.0

Subtask #3 15.0 / 15.0

Subtask #4 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
55.0 / 55.0

Subtask #3
15.0 / 15.0

Subtask #4
25.0 / 25.0