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Submission #227542

# Submission time Handle Problem Language Result Execution time Memory
227542 2020-04-27T18:27:43 Z MohamedAhmed04 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 422 ms 137592 KB 
#include <bits/stdc++.h>

using namespace std ;

const int inf = 1e7 ;
const int MAX = 400 + 5 ;

int arr[MAX] ;
string s ;
vector< vector< vector< vector<int> > > >dp ;
int cnt[3][MAX] , occ[3][MAX] ;
int n ;

int solve(int idx , int cnt1 , int cnt2 , int cnt3 , int prv)
{
	if(idx == n)
		return 0 ;
	int &ret = dp[cnt1][cnt2][cnt3][prv] ;
	if(ret != -1)
		return ret ;
	ret = inf ;
	for(int i = 0 ; i <= 2 ; ++i)
	{
		if(i == prv)
			continue ;
		int to = -1 ;
		if(i == 0)
			to = occ[0][cnt1] ;
		if(i == 1)
			to = occ[1][cnt2] ;
		if(i == 2)
			to = occ[2][cnt3] ;
		if(to == -1)
			continue ;
		int cost = max(0 , cnt[0][to] - cnt1) + max(0 , cnt[1][to] - cnt2) + max(0 , cnt[2][to] - cnt3) ;
		if(i == 0)
			ret = min(ret , solve(idx+1 , cnt1+1 , cnt2 , cnt3 , i) + cost) ;
		if(i == 1)
			ret = min(ret , solve(idx+1 , cnt1 , cnt2+1 , cnt3 , i) + cost) ;
		if(i == 2)
			ret = min(ret , solve(idx+1 , cnt1 , cnt2 , cnt3+1 , i) + cost) ;
	}
	return ret ;
}

int main()
{
	memset(occ , -1 , sizeof(occ)) ;
	ios_base::sync_with_stdio(0) ;
	cin.tie(0) ;
	cin>>n ;
	cin>>s ;
	int cnt1 = 0 , cnt2 = 0 , cnt3 = 0 ;
	for(int i = 0 ; i < n ; ++i)
	{
		cnt[0][i] = cnt1 , cnt[1][i] = cnt2 , cnt[2][i] = cnt3 ;
		if(s[i] == 'R')
			occ[0][cnt1++] = i ;
		else if(s[i] == 'G')
			occ[1][cnt2++] = i ;
		else
			occ[2][cnt3++] = i ;
	}
	dp = vector<vector<vector<vector<int>>>>(cnt1+2, vector<vector<vector<int>>>(cnt2+2, vector<vector<int>>(cnt3+2, vector<int>(4,-1)))) ;
	int ans = solve(0 , 0 , 0 , 0 , 3) ;
	if(ans >= inf)
		ans = -1 ;
	return cout<<ans<<"\n" , 0 ;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 432 KB Output is correct
17 Correct 5 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 432 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 896 KB Output is correct
19 Correct 6 ms 1024 KB Output is correct
20 Correct 5 ms 896 KB Output is correct
21 Correct 6 ms 1024 KB Output is correct
22 Correct 5 ms 896 KB Output is correct
23 Correct 6 ms 1024 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 5 ms 512 KB Output is correct
27 Correct 5 ms 896 KB Output is correct
28 Correct 5 ms 1024 KB Output is correct
29 Correct 6 ms 1024 KB Output is correct
30 Correct 6 ms 896 KB Output is correct
31 Correct 6 ms 1024 KB Output is correct
32 Correct 5 ms 1024 KB Output is correct
33 Correct 5 ms 640 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 5 ms 896 KB Output is correct
36 Correct 5 ms 896 KB Output is correct
37 Correct 6 ms 896 KB Output is correct
38 Correct 5 ms 896 KB Output is correct
39 Correct 6 ms 1024 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 640 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 12 ms 6528 KB Output is correct
3 Correct 12 ms 6528 KB Output is correct
4 Correct 15 ms 6656 KB Output is correct
5 Correct 12 ms 6528 KB Output is correct
6 Correct 12 ms 6528 KB Output is correct
7 Correct 12 ms 6400 KB Output is correct
8 Correct 12 ms 6400 KB Output is correct
9 Correct 12 ms 6400 KB Output is correct
10 Correct 15 ms 6528 KB Output is correct
11 Correct 12 ms 6528 KB Output is correct
12 Correct 8 ms 2048 KB Output is correct
13 Correct 9 ms 3456 KB Output is correct
14 Correct 9 ms 4608 KB Output is correct
15 Correct 12 ms 6528 KB Output is correct
16 Correct 12 ms 6520 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 432 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 896 KB Output is correct
19 Correct 6 ms 1024 KB Output is correct
20 Correct 5 ms 896 KB Output is correct
21 Correct 6 ms 1024 KB Output is correct
22 Correct 5 ms 896 KB Output is correct
23 Correct 6 ms 1024 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 5 ms 512 KB Output is correct
27 Correct 5 ms 896 KB Output is correct
28 Correct 5 ms 1024 KB Output is correct
29 Correct 6 ms 1024 KB Output is correct
30 Correct 6 ms 896 KB Output is correct
31 Correct 6 ms 1024 KB Output is correct
32 Correct 5 ms 1024 KB Output is correct
33 Correct 5 ms 640 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 5 ms 896 KB Output is correct
36 Correct 5 ms 896 KB Output is correct
37 Correct 6 ms 896 KB Output is correct
38 Correct 5 ms 896 KB Output is correct
39 Correct 6 ms 1024 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 640 KB Output is correct
42 Correct 4 ms 384 KB Output is correct
43 Correct 12 ms 6528 KB Output is correct
44 Correct 12 ms 6528 KB Output is correct
45 Correct 15 ms 6656 KB Output is correct
46 Correct 12 ms 6528 KB Output is correct
47 Correct 12 ms 6528 KB Output is correct
48 Correct 12 ms 6400 KB Output is correct
49 Correct 12 ms 6400 KB Output is correct
50 Correct 12 ms 6400 KB Output is correct
51 Correct 15 ms 6528 KB Output is correct
52 Correct 12 ms 6528 KB Output is correct
53 Correct 8 ms 2048 KB Output is correct
54 Correct 9 ms 3456 KB Output is correct
55 Correct 9 ms 4608 KB Output is correct
56 Correct 12 ms 6528 KB Output is correct
57 Correct 12 ms 6520 KB Output is correct
58 Correct 391 ms 136416 KB Output is correct
59 Correct 372 ms 136696 KB Output is correct
60 Correct 363 ms 135288 KB Output is correct
61 Correct 422 ms 136824 KB Output is correct
62 Correct 23 ms 15104 KB Output is correct
63 Correct 34 ms 23552 KB Output is correct
64 Correct 108 ms 69496 KB Output is correct
65 Correct 183 ms 98180 KB Output is correct
66 Correct 360 ms 134776 KB Output is correct
67 Correct 348 ms 135032 KB Output is correct
68 Correct 370 ms 136824 KB Output is correct
69 Correct 375 ms 137592 KB Output is correct
70 Correct 391 ms 137464 KB Output is correct
71 Correct 352 ms 134268 KB Output is correct
72 Correct 51 ms 35840 KB Output is correct
73 Correct 19 ms 12544 KB Output is correct