oj.uz

Submission #291568

# Submission time Handle Problem Language Result Execution time Memory
291568 2020-09-05T13:36:25 Z reymontada61 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 151 ms 189944 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
string s;
int r, g, b;
const int MXN = 405;
int dp[MXN][MXN][MXN][4];

vector<int> rs, gs, bs;

int pfr[MXN];
int pfg[MXN];
int pfb[MXN];

signed main() {


	cin >> n >> s;
	
	int rc = 0, bc = 0, gc = 0;
	
	for (int i=0; i<n; i++) {
		if (s[i] == 'R') {
			rs.push_back(i+1);
			r++;
			rc++;
		}
		if (s[i] == 'G') {
			gs.push_back(i+1);
			g++;
			gc++;
		}
		if (s[i] == 'Y') {
			bs.push_back(i+1);
			b++;
			bc++;
		}
		pfr[i+1] = r;
		pfg[i+1] = g;
		pfb[i+1] = b;
	}
	
	s = ' ' + s;
	
	for (int ind=1; ind<=n; ind++) {
		for (int r=0; r<=rc; r++) {
			for (int g=0; g<=gc; g++) {
				int b = ind - r - g;
				if (b >= 0 && b <= bc) {
					for (int whi=1; whi<=3; whi++) {
						
						int re = INT_MAX / 2;
						
						if (whi != 1 && r > 0) {
							int h = dp[ind-1][r-1][g][1];
							int l = rs[r-1];
							h += max(l + max(g - pfg[l], 0) + max(b - pfb[l], 0) - ind, 0);
							re = min(re, h);
						}
						
						if (whi != 2 && g > 0) {
							int h = dp[ind-1][r][g-1][2];
							int l = gs[g-1];
							h += max(l + max(b - pfb[l], 0) + max(r - pfr[l], 0) - ind, 0);
							re = min(re, h);
						}
						
						if (whi != 3 && b > 0) {
							int h = dp[ind-1][r][g][3];
							int l = bs[b-1];
							h += max(l + max(g - pfg[l], 0) + max(r - pfr[l], 0) - ind, 0);
							re = min(re, h);
						}
						
						dp[ind][r][g][whi] = re;	
					}
				}
			}
		}
	}

	
	int re = dp[n][r][g][1];
	for (int i=1; i<=3; i++) re = min(re, dp[n][r][g][i]);
	
	if (re > n * n * 2) {
		cout << -1 << endl;
	}
	else {
		cout << re << endl;
	}

}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 640 KB Output is correct
10 Correct 1 ms 640 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 640 KB Output is correct
13 Correct 1 ms 640 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 0 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 640 KB Output is correct
10 Correct 1 ms 640 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 640 KB Output is correct
13 Correct 1 ms 640 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 3 ms 4352 KB Output is correct
19 Correct 2 ms 4096 KB Output is correct
20 Correct 3 ms 4480 KB Output is correct
21 Correct 3 ms 4096 KB Output is correct
22 Correct 3 ms 4352 KB Output is correct
23 Correct 3 ms 3840 KB Output is correct
24 Correct 2 ms 2944 KB Output is correct
25 Correct 2 ms 4224 KB Output is correct
26 Correct 4 ms 4480 KB Output is correct
27 Correct 3 ms 4480 KB Output is correct
28 Correct 3 ms 4224 KB Output is correct
29 Correct 3 ms 4224 KB Output is correct
30 Correct 2 ms 3840 KB Output is correct
31 Correct 2 ms 3584 KB Output is correct
32 Correct 2 ms 3968 KB Output is correct
33 Correct 3 ms 4224 KB Output is correct
34 Correct 2 ms 4096 KB Output is correct
35 Correct 3 ms 4116 KB Output is correct
36 Correct 3 ms 4096 KB Output is correct
37 Correct 2 ms 3200 KB Output is correct
38 Correct 2 ms 3456 KB Output is correct
39 Correct 3 ms 4096 KB Output is correct
40 Correct 1 ms 768 KB Output is correct
41 Correct 2 ms 2688 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 95 ms 163832 KB Output is correct
3 Correct 93 ms 163080 KB Output is correct
4 Correct 93 ms 163832 KB Output is correct
5 Correct 95 ms 163832 KB Output is correct
6 Correct 90 ms 163856 KB Output is correct
7 Correct 95 ms 163192 KB Output is correct
8 Correct 98 ms 163040 KB Output is correct
9 Correct 91 ms 162296 KB Output is correct
10 Correct 94 ms 163864 KB Output is correct
11 Correct 91 ms 163816 KB Output is correct
12 Correct 26 ms 44544 KB Output is correct
13 Correct 42 ms 77816 KB Output is correct
14 Correct 67 ms 112120 KB Output is correct
15 Correct 93 ms 163832 KB Output is correct
16 Correct 94 ms 163852 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 640 KB Output is correct
10 Correct 1 ms 640 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 640 KB Output is correct
13 Correct 1 ms 640 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 3 ms 4352 KB Output is correct
19 Correct 2 ms 4096 KB Output is correct
20 Correct 3 ms 4480 KB Output is correct
21 Correct 3 ms 4096 KB Output is correct
22 Correct 3 ms 4352 KB Output is correct
23 Correct 3 ms 3840 KB Output is correct
24 Correct 2 ms 2944 KB Output is correct
25 Correct 2 ms 4224 KB Output is correct
26 Correct 4 ms 4480 KB Output is correct
27 Correct 3 ms 4480 KB Output is correct
28 Correct 3 ms 4224 KB Output is correct
29 Correct 3 ms 4224 KB Output is correct
30 Correct 2 ms 3840 KB Output is correct
31 Correct 2 ms 3584 KB Output is correct
32 Correct 2 ms 3968 KB Output is correct
33 Correct 3 ms 4224 KB Output is correct
34 Correct 2 ms 4096 KB Output is correct
35 Correct 3 ms 4116 KB Output is correct
36 Correct 3 ms 4096 KB Output is correct
37 Correct 2 ms 3200 KB Output is correct
38 Correct 2 ms 3456 KB Output is correct
39 Correct 3 ms 4096 KB Output is correct
40 Correct 1 ms 768 KB Output is correct
41 Correct 2 ms 2688 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 95 ms 163832 KB Output is correct
44 Correct 93 ms 163080 KB Output is correct
45 Correct 93 ms 163832 KB Output is correct
46 Correct 95 ms 163832 KB Output is correct
47 Correct 90 ms 163856 KB Output is correct
48 Correct 95 ms 163192 KB Output is correct
49 Correct 98 ms 163040 KB Output is correct
50 Correct 91 ms 162296 KB Output is correct
51 Correct 94 ms 163864 KB Output is correct
52 Correct 91 ms 163816 KB Output is correct
53 Correct 26 ms 44544 KB Output is correct
54 Correct 42 ms 77816 KB Output is correct
55 Correct 67 ms 112120 KB Output is correct
56 Correct 93 ms 163832 KB Output is correct
57 Correct 94 ms 163852 KB Output is correct
58 Correct 136 ms 177000 KB Output is correct
59 Correct 145 ms 188280 KB Output is correct
60 Correct 144 ms 186104 KB Output is correct
61 Correct 140 ms 182640 KB Output is correct
62 Correct 106 ms 165556 KB Output is correct
63 Correct 96 ms 168568 KB Output is correct
64 Correct 126 ms 180984 KB Output is correct
65 Correct 151 ms 183160 KB Output is correct
66 Correct 134 ms 182520 KB Output is correct
67 Correct 132 ms 169336 KB Output is correct
68 Correct 141 ms 184312 KB Output is correct
69 Correct 141 ms 185080 KB Output is correct
70 Correct 147 ms 184184 KB Output is correct
71 Correct 141 ms 189944 KB Output is correct
72 Correct 82 ms 131064 KB Output is correct
73 Correct 12 ms 12288 KB Output is correct