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답안 #929090

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
929090 2024-02-17T17:03:08 Z siewjh Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 302 ms 780652 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 405;
int memo[MAXN][MAXN][MAXN][3], pos[3][MAXN], cnt[3], pref[3][MAXN];
const int inf = 1e9 + 7;
int dp(int c0, int c1, int c2, int fr){
	if (c0 == 0 && c1 == 0 && c2 == 0) return 0;
	if (memo[c0][c1][c2][fr] != -1) return memo[c0][c1][c2][fr];
	int ans = inf;
	if (fr == 0){
		if (c0 != 0){
			int ipos = pos[0][c0], swps = ipos + max(c1 - pref[1][ipos], 0) + max(c2 - pref[2][ipos], 0) - (c0 + c1 + c2);
			ans = min(ans, min(dp(c0 - 1, c1, c2, 1), dp(c0 - 1, c1, c2, 2)) + swps);
		}
	}
	else if (fr == 1){
		if (c1 != 0){
			int ipos = pos[1][c1], swps = ipos + max(c0 - pref[0][ipos], 0) + max(c2 - pref[2][ipos], 0) - (c0 + c1 + c2);
			ans = min(ans, min(dp(c0, c1 - 1, c2, 0), dp(c0, c1 - 1, c2, 2)) + swps);
		}
	}
	else{
		if (c2 != 0){
			int ipos = pos[2][c2], swps = ipos + max(c0 - pref[0][ipos], 0) + max(c1 - pref[1][ipos], 0) - (c0 + c1 + c2);
			ans = min(ans, min(dp(c0, c1, c2 - 1, 0), dp(c0, c1, c2 - 1, 1)) + swps);
		}
	}
	return memo[c0][c1][c2][fr] = ans;
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int nums; cin >> nums;
	for (int i = 1; i <= nums; i++){
		char ch; cin >> ch;
		int v;
		if (ch == 'R') v = 0;
		else if (ch == 'Y') v = 1;
		else v = 2;
		cnt[v]++;
		pos[v][cnt[v]] = i;
		for (int j = 0; j < 3; j++) pref[j][i] = pref[j][i - 1];
		pref[v][i]++;
	}
	memset(memo, -1, sizeof(memo));
	int ans = inf;
	for (int j = 0; j < 3; j++) ans = min(ans, dp(cnt[0], cnt[1], cnt[2], j));
	cout << ((ans == inf) ? -1 : ans);
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 301 ms 780224 KB Output is correct
2 Correct 245 ms 780208 KB Output is correct
3 Correct 227 ms 780372 KB Output is correct
4 Correct 247 ms 780308 KB Output is correct
5 Correct 214 ms 780372 KB Output is correct
6 Correct 217 ms 780288 KB Output is correct
7 Correct 207 ms 780372 KB Output is correct
8 Correct 208 ms 780368 KB Output is correct
9 Correct 248 ms 780408 KB Output is correct
10 Correct 208 ms 780372 KB Output is correct
11 Correct 210 ms 780372 KB Output is correct
12 Correct 208 ms 780336 KB Output is correct
13 Correct 204 ms 780204 KB Output is correct
14 Correct 206 ms 780360 KB Output is correct
15 Correct 207 ms 780372 KB Output is correct
16 Correct 207 ms 780412 KB Output is correct
17 Correct 208 ms 780232 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 301 ms 780224 KB Output is correct
2 Correct 245 ms 780208 KB Output is correct
3 Correct 227 ms 780372 KB Output is correct
4 Correct 247 ms 780308 KB Output is correct
5 Correct 214 ms 780372 KB Output is correct
6 Correct 217 ms 780288 KB Output is correct
7 Correct 207 ms 780372 KB Output is correct
8 Correct 208 ms 780368 KB Output is correct
9 Correct 248 ms 780408 KB Output is correct
10 Correct 208 ms 780372 KB Output is correct
11 Correct 210 ms 780372 KB Output is correct
12 Correct 208 ms 780336 KB Output is correct
13 Correct 204 ms 780204 KB Output is correct
14 Correct 206 ms 780360 KB Output is correct
15 Correct 207 ms 780372 KB Output is correct
16 Correct 207 ms 780412 KB Output is correct
17 Correct 208 ms 780232 KB Output is correct
18 Correct 205 ms 780624 KB Output is correct
19 Correct 207 ms 780368 KB Output is correct
20 Correct 207 ms 780228 KB Output is correct
21 Correct 207 ms 780228 KB Output is correct
22 Correct 207 ms 780232 KB Output is correct
23 Correct 209 ms 780344 KB Output is correct
24 Correct 211 ms 780352 KB Output is correct
25 Correct 216 ms 780416 KB Output is correct
26 Correct 208 ms 780296 KB Output is correct
27 Correct 210 ms 780348 KB Output is correct
28 Correct 213 ms 780460 KB Output is correct
29 Correct 207 ms 780252 KB Output is correct
30 Correct 208 ms 780368 KB Output is correct
31 Correct 215 ms 780392 KB Output is correct
32 Correct 218 ms 780364 KB Output is correct
33 Correct 214 ms 780248 KB Output is correct
34 Correct 212 ms 780288 KB Output is correct
35 Correct 214 ms 780368 KB Output is correct
36 Correct 213 ms 780372 KB Output is correct
37 Correct 212 ms 780616 KB Output is correct
38 Correct 211 ms 780424 KB Output is correct
39 Correct 207 ms 780380 KB Output is correct
40 Correct 209 ms 780436 KB Output is correct
41 Correct 207 ms 780376 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 233 ms 780372 KB Output is correct
2 Correct 220 ms 780368 KB Output is correct
3 Correct 208 ms 780380 KB Output is correct
4 Correct 206 ms 780372 KB Output is correct
5 Correct 207 ms 780312 KB Output is correct
6 Correct 207 ms 780368 KB Output is correct
7 Correct 207 ms 780372 KB Output is correct
8 Correct 221 ms 780416 KB Output is correct
9 Correct 207 ms 780348 KB Output is correct
10 Correct 211 ms 780476 KB Output is correct
11 Correct 210 ms 780248 KB Output is correct
12 Correct 207 ms 780324 KB Output is correct
13 Correct 211 ms 780628 KB Output is correct
14 Correct 211 ms 780368 KB Output is correct
15 Correct 209 ms 780296 KB Output is correct
16 Correct 211 ms 780380 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 301 ms 780224 KB Output is correct
2 Correct 245 ms 780208 KB Output is correct
3 Correct 227 ms 780372 KB Output is correct
4 Correct 247 ms 780308 KB Output is correct
5 Correct 214 ms 780372 KB Output is correct
6 Correct 217 ms 780288 KB Output is correct
7 Correct 207 ms 780372 KB Output is correct
8 Correct 208 ms 780368 KB Output is correct
9 Correct 248 ms 780408 KB Output is correct
10 Correct 208 ms 780372 KB Output is correct
11 Correct 210 ms 780372 KB Output is correct
12 Correct 208 ms 780336 KB Output is correct
13 Correct 204 ms 780204 KB Output is correct
14 Correct 206 ms 780360 KB Output is correct
15 Correct 207 ms 780372 KB Output is correct
16 Correct 207 ms 780412 KB Output is correct
17 Correct 208 ms 780232 KB Output is correct
18 Correct 205 ms 780624 KB Output is correct
19 Correct 207 ms 780368 KB Output is correct
20 Correct 207 ms 780228 KB Output is correct
21 Correct 207 ms 780228 KB Output is correct
22 Correct 207 ms 780232 KB Output is correct
23 Correct 209 ms 780344 KB Output is correct
24 Correct 211 ms 780352 KB Output is correct
25 Correct 216 ms 780416 KB Output is correct
26 Correct 208 ms 780296 KB Output is correct
27 Correct 210 ms 780348 KB Output is correct
28 Correct 213 ms 780460 KB Output is correct
29 Correct 207 ms 780252 KB Output is correct
30 Correct 208 ms 780368 KB Output is correct
31 Correct 215 ms 780392 KB Output is correct
32 Correct 218 ms 780364 KB Output is correct
33 Correct 214 ms 780248 KB Output is correct
34 Correct 212 ms 780288 KB Output is correct
35 Correct 214 ms 780368 KB Output is correct
36 Correct 213 ms 780372 KB Output is correct
37 Correct 212 ms 780616 KB Output is correct
38 Correct 211 ms 780424 KB Output is correct
39 Correct 207 ms 780380 KB Output is correct
40 Correct 209 ms 780436 KB Output is correct
41 Correct 207 ms 780376 KB Output is correct
42 Correct 233 ms 780372 KB Output is correct
43 Correct 220 ms 780368 KB Output is correct
44 Correct 208 ms 780380 KB Output is correct
45 Correct 206 ms 780372 KB Output is correct
46 Correct 207 ms 780312 KB Output is correct
47 Correct 207 ms 780368 KB Output is correct
48 Correct 207 ms 780372 KB Output is correct
49 Correct 221 ms 780416 KB Output is correct
50 Correct 207 ms 780348 KB Output is correct
51 Correct 211 ms 780476 KB Output is correct
52 Correct 210 ms 780248 KB Output is correct
53 Correct 207 ms 780324 KB Output is correct
54 Correct 211 ms 780628 KB Output is correct
55 Correct 211 ms 780368 KB Output is correct
56 Correct 209 ms 780296 KB Output is correct
57 Correct 211 ms 780380 KB Output is correct
58 Correct 275 ms 780480 KB Output is correct
59 Correct 265 ms 780372 KB Output is correct
60 Correct 271 ms 780368 KB Output is correct
61 Correct 264 ms 780368 KB Output is correct
62 Correct 213 ms 780364 KB Output is correct
63 Correct 209 ms 780372 KB Output is correct
64 Correct 218 ms 780652 KB Output is correct
65 Correct 229 ms 780368 KB Output is correct
66 Correct 265 ms 780320 KB Output is correct
67 Correct 267 ms 780500 KB Output is correct
68 Correct 296 ms 780368 KB Output is correct
69 Correct 276 ms 780484 KB Output is correct
70 Correct 302 ms 780480 KB Output is correct
71 Correct 264 ms 780372 KB Output is correct
72 Correct 210 ms 780272 KB Output is correct
73 Correct 209 ms 780216 KB Output is correct