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Submission #219164

# Submission time Handle Problem Language Result Execution time Memory
219164 2020-04-03T23:19:07 Z AQT Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 103 ms 194296 KB 
#include <bits/stdc++.h>

using namespace std;

int N;
vector<int> pos[3];
int pre[3][405];
int dp[3][405][405][405];
int sz[3];

int cst(int p, int t, int x1, int x2, int x3){
	int sum = 0;
	sum += max(0, pre[0][pos[t][p]] - pre[0][pos[0][x1]]);
	sum += max(0, pre[1][pos[t][p]] - pre[1][pos[1][x2]]);
	sum += max(0, pre[2][pos[t][p]] - pre[2][pos[2][x3]]);
	//cout << sum << "\n";
	return sum;
}

int main(){
	cin.sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> N;
	pos[0].emplace_back(0), pos[1].emplace_back(0), pos[2].emplace_back(0);
	for(int i = 1; i<=N; i++){
		char c;
		cin >> c;
		if(c == 'R'){
			sz[0]++;
			pos[0].emplace_back(i);
		}
		else if(c == 'G'){
			sz[1]++;
			pos[1].emplace_back(i);
		}
		else{
			sz[2]++;
			pos[2].emplace_back(i);
		}
	}
	if(max({sz[0], sz[1], sz[2]}) > (N+1)/2){
		cout << -1 << "\n";
		return 0;
	}
	for(int c = 0; c<3; c++){
		for(int n : pos[c]){
			pre[c][n]++;
		}
		partial_sum(pre[c], pre[c]+N+1, pre[c]);
	}
	for(int r = 0; r<=sz[0]; r++){
		for(int g = 0; g<=sz[1]; g++){
			for(int y = 0; y<=sz[2]; y++){
				dp[0][r][g][y] = dp[1][r][g][y] = dp[2][r][g][y] = 1000000;
			}
		}
	}
	dp[0][0][0][0] = dp[1][0][0][0] = dp[2][0][0][0] = 0;
	for(int r = 0; r<=sz[0]; r++){
		for(int g = 0; g<=sz[1]; g++){
			for(int y = 0; y<=sz[2]; y++){
				if(r){
					dp[0][r][g][y] = min(dp[1][r-1][g][y], dp[2][r-1][g][y]) + cst(r, 0, r, g, y);
				}
				if(g){
					dp[1][r][g][y] = min(dp[0][r][g-1][y], dp[2][r][g-1][y]) + cst(g, 1, r, g, y);					
				}
				if(y){
					dp[2][r][g][y] = min(dp[0][r][g][y-1], dp[1][r][g][y-1]) + cst(y, 2, r, g, y);					
				}
				//cout << dp[0][r][g][y] << " " << dp[1][r][g][y] << " " << dp[2][r][g][y] << "\n";
			}
		}
	}
	cout << min({dp[0][sz[0]][sz[1]][sz[2]], dp[1][sz[0]][sz[1]][sz[2]], dp[2][sz[0]][sz[1]][sz[2]]});
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 4 ms 384 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 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 6 ms 2816 KB Output is correct
19 Correct 5 ms 2304 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2944 KB Output is correct
22 Correct 5 ms 2048 KB Output is correct
23 Correct 6 ms 2560 KB Output is correct
24 Correct 5 ms 1920 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 6 ms 3712 KB Output is correct
28 Correct 6 ms 2816 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2304 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 5 ms 416 KB Output is correct
34 Correct 4 ms 384 KB Output is correct
35 Correct 6 ms 3072 KB Output is correct
36 Correct 5 ms 2304 KB Output is correct
37 Correct 5 ms 2048 KB Output is correct
38 Correct 6 ms 2560 KB Output is correct
39 Correct 6 ms 2688 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 4 ms 384 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 93 ms 194296 KB Output is correct
3 Correct 94 ms 193308 KB Output is correct
4 Correct 92 ms 194296 KB Output is correct
5 Correct 93 ms 194296 KB Output is correct
6 Correct 92 ms 194296 KB Output is correct
7 Correct 94 ms 193400 KB Output is correct
8 Correct 96 ms 193272 KB Output is correct
9 Correct 92 ms 192376 KB Output is correct
10 Correct 92 ms 194296 KB Output is correct
11 Correct 92 ms 194296 KB Output is correct
12 Correct 29 ms 52864 KB Output is correct
13 Correct 46 ms 92280 KB Output is correct
14 Correct 67 ms 132996 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 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 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 6 ms 2816 KB Output is correct
19 Correct 5 ms 2304 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2944 KB Output is correct
22 Correct 5 ms 2048 KB Output is correct
23 Correct 6 ms 2560 KB Output is correct
24 Correct 5 ms 1920 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 6 ms 3712 KB Output is correct
28 Correct 6 ms 2816 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2304 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 5 ms 416 KB Output is correct
34 Correct 4 ms 384 KB Output is correct
35 Correct 6 ms 3072 KB Output is correct
36 Correct 5 ms 2304 KB Output is correct
37 Correct 5 ms 2048 KB Output is correct
38 Correct 6 ms 2560 KB Output is correct
39 Correct 6 ms 2688 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 4 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 93 ms 194296 KB Output is correct
44 Correct 94 ms 193308 KB Output is correct
45 Correct 92 ms 194296 KB Output is correct
46 Correct 93 ms 194296 KB Output is correct
47 Correct 92 ms 194296 KB Output is correct
48 Correct 94 ms 193400 KB Output is correct
49 Correct 96 ms 193272 KB Output is correct
50 Correct 92 ms 192376 KB Output is correct
51 Correct 92 ms 194296 KB Output is correct
52 Correct 92 ms 194296 KB Output is correct
53 Correct 29 ms 52864 KB Output is correct
54 Correct 46 ms 92280 KB Output is correct
55 Correct 67 ms 132996 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 4 ms 384 KB Output is correct
58 Correct 78 ms 77304 KB Output is correct
59 Correct 93 ms 97892 KB Output is correct
60 Correct 84 ms 88960 KB Output is correct
61 Correct 86 ms 86008 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 95 ms 186744 KB Output is correct
64 Correct 103 ms 163064 KB Output is correct
65 Correct 101 ms 142020 KB Output is correct
66 Correct 84 ms 87160 KB Output is correct
67 Correct 86 ms 83832 KB Output is correct
68 Correct 86 ms 89848 KB Output is correct
69 Correct 91 ms 86648 KB Output is correct
70 Correct 87 ms 93688 KB Output is correct
71 Correct 86 ms 85240 KB Output is correct
72 Correct 4 ms 384 KB Output is correct
73 Correct 4 ms 384 KB Output is correct