oj.uz

Submission #107382

# Submission time Handle Problem Language Result Execution time Memory
107382 2019-04-23T15:57:22 Z Diuven Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 261 ms 3644 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long lint;
typedef pair<int, int> pii;

const int INF = 1<<20;

int n;
char ST[410];

int P[3][410], S[3][410], F[3];
int D[2][410][410][3];

inline int _min(int x, int y){ return x<y ? x : y; }
inline int _max(int x, int y){ return x>y ? x : y; }

int dist(int r, int g, int y, int x){
	int res = 0, C[3] = {r,g,y};
	for(int k=0; k<3; k++)
		res += _max(0, S[k][x]-C[k]);
	return res;
}

int main(){
	ios::sync_with_stdio(0); cin.tie(0);

	cin>>n>>(ST+1);

	{
		int T[128]={};
		T['R'] = 0, T['G'] = 1, T['Y'] = 2;

		for(int i=1; i<=n+1; i++) for(int k=0; k<3; k++)
			P[k][i] = INF;

		for(int i=1; i<=n; i++){
			int x = T[int(ST[i])];

			P[x][++F[x]] = i;
			for(int k=0; k<3; k++) S[k][i] = S[k][i-1];
			S[x][i]++;
		}
	}

	for(int r=0; r<=n; r++) for(int g=0; g<=n; g++)
		for(int c=0; c<3; c++) D[0][r][g][c] = INF;
	D[0][0][0][0] = D[0][0][0][1] = D[0][0][0][2] = 0;

	for(int i=1; i<=n; i++){
		int z = i&1;
		
		for(int r=0; r<=F[0]; r++) for(int g=0; g<=F[1]; g++){
			int U[3] = {r, g, i-r-g};
			for(int c=0; c<3; c++){
				if(U[c]<1 || U[2]>F[2]){ D[z][r][g][c] = INF; continue; }
				U[c]--;
				int cost = dist(U[0],U[1],U[2],P[c][U[c]+1]-1);
				int get = _min(D[!z][U[0]][U[1]][(c+1)%3], D[!z][U[0]][U[1]][(c+2)%3]);
				D[z][r][g][c] = _min(INF, cost + get);
				U[c]++;
			}
		}
		// for(int r=0; r<=F[0]; r++, cout<<'\n') for(int g=0; g<=F[1]; g++, cout<<'\n'){
		// 	for(int c=0; c<3; c++) cout<<D[z][r][g][c]<<' ';
		// }
		// cout<<'\n';
	}

	int ans = INF;


	for(int r=0; r<=F[0]; r++)	for(int g=0; g<=F[1]; g++)
		for(int c=0; c<3; c++) ans = _min(ans, D[n&1][r][g][c]);
	
	if(ans>=INF) ans = -1;
	cout<<ans<<'\n';

	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 3 ms 768 KB Output is correct
19 Correct 3 ms 768 KB Output is correct
20 Correct 3 ms 768 KB Output is correct
21 Correct 3 ms 768 KB Output is correct
22 Correct 3 ms 768 KB Output is correct
23 Correct 4 ms 768 KB Output is correct
24 Correct 3 ms 768 KB Output is correct
25 Correct 3 ms 768 KB Output is correct
26 Correct 4 ms 768 KB Output is correct
27 Correct 2 ms 768 KB Output is correct
28 Correct 4 ms 768 KB Output is correct
29 Correct 3 ms 768 KB Output is correct
30 Correct 3 ms 768 KB Output is correct
31 Correct 3 ms 640 KB Output is correct
32 Correct 4 ms 816 KB Output is correct
33 Correct 3 ms 768 KB Output is correct
34 Correct 3 ms 768 KB Output is correct
35 Correct 4 ms 768 KB Output is correct
36 Correct 3 ms 768 KB Output is correct
37 Correct 5 ms 640 KB Output is correct
38 Correct 0 ms 640 KB Output is correct
39 Correct 3 ms 768 KB Output is correct
40 Correct 3 ms 640 KB Output is correct
41 Correct 3 ms 640 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 216 ms 3292 KB Output is correct
3 Correct 213 ms 3320 KB Output is correct
4 Correct 230 ms 3200 KB Output is correct
5 Correct 176 ms 3376 KB Output is correct
6 Correct 219 ms 3320 KB Output is correct
7 Correct 261 ms 3276 KB Output is correct
8 Correct 178 ms 3320 KB Output is correct
9 Correct 240 ms 3272 KB Output is correct
10 Correct 181 ms 3328 KB Output is correct
11 Correct 208 ms 3328 KB Output is correct
12 Correct 28 ms 1792 KB Output is correct
13 Correct 65 ms 2304 KB Output is correct
14 Correct 105 ms 2816 KB Output is correct
15 Correct 178 ms 3200 KB Output is correct
16 Correct 218 ms 3200 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 3 ms 768 KB Output is correct
19 Correct 3 ms 768 KB Output is correct
20 Correct 3 ms 768 KB Output is correct
21 Correct 3 ms 768 KB Output is correct
22 Correct 3 ms 768 KB Output is correct
23 Correct 4 ms 768 KB Output is correct
24 Correct 3 ms 768 KB Output is correct
25 Correct 3 ms 768 KB Output is correct
26 Correct 4 ms 768 KB Output is correct
27 Correct 2 ms 768 KB Output is correct
28 Correct 4 ms 768 KB Output is correct
29 Correct 3 ms 768 KB Output is correct
30 Correct 3 ms 768 KB Output is correct
31 Correct 3 ms 640 KB Output is correct
32 Correct 4 ms 816 KB Output is correct
33 Correct 3 ms 768 KB Output is correct
34 Correct 3 ms 768 KB Output is correct
35 Correct 4 ms 768 KB Output is correct
36 Correct 3 ms 768 KB Output is correct
37 Correct 5 ms 640 KB Output is correct
38 Correct 0 ms 640 KB Output is correct
39 Correct 3 ms 768 KB Output is correct
40 Correct 3 ms 640 KB Output is correct
41 Correct 3 ms 640 KB Output is correct
42 Correct 3 ms 384 KB Output is correct
43 Correct 216 ms 3292 KB Output is correct
44 Correct 213 ms 3320 KB Output is correct
45 Correct 230 ms 3200 KB Output is correct
46 Correct 176 ms 3376 KB Output is correct
47 Correct 219 ms 3320 KB Output is correct
48 Correct 261 ms 3276 KB Output is correct
49 Correct 178 ms 3320 KB Output is correct
50 Correct 240 ms 3272 KB Output is correct
51 Correct 181 ms 3328 KB Output is correct
52 Correct 208 ms 3328 KB Output is correct
53 Correct 28 ms 1792 KB Output is correct
54 Correct 65 ms 2304 KB Output is correct
55 Correct 105 ms 2816 KB Output is correct
56 Correct 178 ms 3200 KB Output is correct
57 Correct 218 ms 3200 KB Output is correct
58 Correct 113 ms 2944 KB Output is correct
59 Correct 139 ms 2992 KB Output is correct
60 Correct 147 ms 2964 KB Output is correct
61 Correct 129 ms 2944 KB Output is correct
62 Correct 217 ms 3328 KB Output is correct
63 Correct 246 ms 3200 KB Output is correct
64 Correct 199 ms 3228 KB Output is correct
65 Correct 187 ms 3072 KB Output is correct
66 Correct 118 ms 2944 KB Output is correct
67 Correct 120 ms 2912 KB Output is correct
68 Correct 127 ms 2996 KB Output is correct
69 Correct 116 ms 3020 KB Output is correct
70 Correct 125 ms 3016 KB Output is correct
71 Correct 130 ms 3072 KB Output is correct
72 Correct 59 ms 3644 KB Output is correct
73 Correct 11 ms 2304 KB Output is correct