답안 #376979

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
376979	2021-03-12T13:56:49 Z	peijar	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	75 / 100	500 ms	757612 KB

joi2019_ho_t3

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
using namespace std;

const int MAXN = 401;
const int INF = 1e9;

int dp[MAXN][MAXN][MAXN][3];

signed main(void)
{
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	
	int nbFleurs;
	string fleurs;
	cin >> nbFleurs >> fleurs;
	vector<vector<int>> positions(3);
	vector<vector<int>> prefixSum(3, vector<int>(nbFleurs+1));
	for (int i(0); i < nbFleurs; ++i)
	{
		for (int j(0); j < 3; ++j)
			prefixSum[j][i+1] = prefixSum[j][i];
		if (fleurs[i] == 'R')
		{
			positions[0].push_back(i);
			prefixSum[0][i+1]++;
		}
		else if (fleurs[i] == 'G')
		{
			positions[1].push_back(i);
			prefixSum[1][i+1]++;
	}
		else
		{
			positions[2].push_back(i);
			prefixSum[2][i+1]++;
		}
	}
	for (int nbRouge(0); nbRouge <= nbFleurs; ++nbRouge)
		for (int nbVerts(0); nbVerts <= nbFleurs; ++nbVerts)
			for (int nbJaunes(0); nbJaunes <= nbFleurs; ++nbJaunes)
				for (int dernier(0); dernier < 3; ++dernier)
					dp[nbRouge][nbVerts][nbJaunes][dernier]= INF;
	int rep = INF;
	int totRouges = (int)positions[0].size();
	int totVerts = (int)positions[1].size();
	int totJaunes = (int)positions[2].size();
	assert(totRouges >= 0 and totVerts >= 0 and totJaunes >= 0);
	if (totRouges)
		dp[1][0][0][0] = positions[0][0];
	if (totVerts)
		dp[0][1][0][1] = positions[1][0];
	if (totJaunes)
		dp[0][0][1][2] = positions[2][0];
	for (int nbRouge(0); nbRouge <= totRouges; ++nbRouge)
		for (int nbVerts(0); nbVerts <= totVerts; ++nbVerts)
			for (int nbJaunes(0); nbJaunes <= totJaunes ; ++nbJaunes)
				for (int dernier(0); dernier < 3; ++dernier)
					if (dp[nbRouge][nbVerts][nbJaunes][dernier] < INF)
					{
						int prix = dp[nbRouge][nbVerts][nbJaunes][dernier];
						int curPos[3] = {nbRouge, nbVerts, nbJaunes};
						for (int prochain(0); prochain < 3; ++prochain)
						{
							if (curPos[prochain] >= (int)positions[prochain].size())
								continue;
							if (prochain == dernier) continue;
							int nbSwap(0);
							for (int autres(0); autres < 3; ++autres)
							if (autres != prochain and curPos[autres] < (int)positions[autres].size())
							{
								int posNxt = positions[prochain][curPos[prochain]];
								int posAutres = positions[autres][curPos[autres]];
								if (posNxt > posAutres)
									nbSwap += prefixSum[autres][posNxt+1] - prefixSum[autres][posAutres];
							}
						int nxtRouges = nbRouge, nxtVerts = nbVerts, nxtJaunes = nbJaunes;
						if (!prochain) nxtRouges++;
						else if (prochain == 1) nxtVerts++;
						else nxtJaunes++;
						dp[nxtRouges][nxtVerts][nxtJaunes][prochain] = 
							min(dp[nxtRouges][nxtVerts][nxtJaunes][prochain], nbSwap + prix);
					}
				}
	for (int dernier(0); dernier < 3; ++dernier)
		rep = min(rep, dp[totRouges][totVerts][totJaunes][dernier]);

	if (rep == INF)
		rep = -1;
	cout << rep << endl;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	876 KB	Output is correct
5	Correct	1 ms	1516 KB	Output is correct
6	Correct	2 ms	1516 KB	Output is correct
7	Correct	1 ms	1516 KB	Output is correct
8	Correct	1 ms	1516 KB	Output is correct
9	Correct	1 ms	1516 KB	Output is correct
10	Correct	1 ms	1516 KB	Output is correct
11	Correct	1 ms	1516 KB	Output is correct
12	Correct	1 ms	1516 KB	Output is correct
13	Correct	1 ms	1516 KB	Output is correct
14	Correct	2 ms	1388 KB	Output is correct
15	Correct	1 ms	1516 KB	Output is correct
16	Correct	1 ms	1516 KB	Output is correct
17	Correct	1 ms	1388 KB	Output is correct

Subtask #2
55.0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	876 KB	Output is correct
5	Correct	1 ms	1516 KB	Output is correct
6	Correct	2 ms	1516 KB	Output is correct
7	Correct	1 ms	1516 KB	Output is correct
8	Correct	1 ms	1516 KB	Output is correct
9	Correct	1 ms	1516 KB	Output is correct
10	Correct	1 ms	1516 KB	Output is correct
11	Correct	1 ms	1516 KB	Output is correct
12	Correct	1 ms	1516 KB	Output is correct
13	Correct	1 ms	1516 KB	Output is correct
14	Correct	2 ms	1388 KB	Output is correct
15	Correct	1 ms	1516 KB	Output is correct
16	Correct	1 ms	1516 KB	Output is correct
17	Correct	1 ms	1388 KB	Output is correct
18	Correct	11 ms	18028 KB	Output is correct
19	Correct	11 ms	18028 KB	Output is correct
20	Correct	13 ms	18028 KB	Output is correct
21	Correct	13 ms	18028 KB	Output is correct
22	Correct	10 ms	18028 KB	Output is correct
23	Correct	10 ms	18028 KB	Output is correct
24	Correct	10 ms	18028 KB	Output is correct
25	Correct	10 ms	18028 KB	Output is correct
26	Correct	10 ms	18028 KB	Output is correct
27	Correct	10 ms	18028 KB	Output is correct
28	Correct	11 ms	18048 KB	Output is correct
29	Correct	11 ms	18028 KB	Output is correct
30	Correct	11 ms	18028 KB	Output is correct
31	Correct	11 ms	18028 KB	Output is correct
32	Correct	11 ms	18028 KB	Output is correct
33	Correct	10 ms	17516 KB	Output is correct
34	Correct	10 ms	17516 KB	Output is correct
35	Correct	10 ms	16876 KB	Output is correct
36	Correct	10 ms	17516 KB	Output is correct
37	Correct	10 ms	16236 KB	Output is correct
38	Correct	11 ms	18028 KB	Output is correct
39	Correct	11 ms	18028 KB	Output is correct
40	Correct	12 ms	17516 KB	Output is correct
41	Correct	10 ms	18028 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	411 ms	757612 KB	Output is correct
3	Correct	407 ms	755328 KB	Output is correct
4	Correct	409 ms	757484 KB	Output is correct
5	Correct	420 ms	757508 KB	Output is correct
6	Correct	419 ms	757516 KB	Output is correct
7	Correct	414 ms	755308 KB	Output is correct
8	Correct	408 ms	755324 KB	Output is correct
9	Correct	403 ms	751596 KB	Output is correct
10	Correct	429 ms	757556 KB	Output is correct
11	Correct	459 ms	757484 KB	Output is correct
12	Correct	112 ms	202860 KB	Output is correct
13	Correct	197 ms	357484 KB	Output is correct
14	Correct	288 ms	517484 KB	Output is correct
15	Correct	406 ms	757484 KB	Output is correct
16	Correct	411 ms	757520 KB	Output is correct

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	876 KB	Output is correct
5	Correct	1 ms	1516 KB	Output is correct
6	Correct	2 ms	1516 KB	Output is correct
7	Correct	1 ms	1516 KB	Output is correct
8	Correct	1 ms	1516 KB	Output is correct
9	Correct	1 ms	1516 KB	Output is correct
10	Correct	1 ms	1516 KB	Output is correct
11	Correct	1 ms	1516 KB	Output is correct
12	Correct	1 ms	1516 KB	Output is correct
13	Correct	1 ms	1516 KB	Output is correct
14	Correct	2 ms	1388 KB	Output is correct
15	Correct	1 ms	1516 KB	Output is correct
16	Correct	1 ms	1516 KB	Output is correct
17	Correct	1 ms	1388 KB	Output is correct
18	Correct	11 ms	18028 KB	Output is correct
19	Correct	11 ms	18028 KB	Output is correct
20	Correct	13 ms	18028 KB	Output is correct
21	Correct	13 ms	18028 KB	Output is correct
22	Correct	10 ms	18028 KB	Output is correct
23	Correct	10 ms	18028 KB	Output is correct
24	Correct	10 ms	18028 KB	Output is correct
25	Correct	10 ms	18028 KB	Output is correct
26	Correct	10 ms	18028 KB	Output is correct
27	Correct	10 ms	18028 KB	Output is correct
28	Correct	11 ms	18048 KB	Output is correct
29	Correct	11 ms	18028 KB	Output is correct
30	Correct	11 ms	18028 KB	Output is correct
31	Correct	11 ms	18028 KB	Output is correct
32	Correct	11 ms	18028 KB	Output is correct
33	Correct	10 ms	17516 KB	Output is correct
34	Correct	10 ms	17516 KB	Output is correct
35	Correct	10 ms	16876 KB	Output is correct
36	Correct	10 ms	17516 KB	Output is correct
37	Correct	10 ms	16236 KB	Output is correct
38	Correct	11 ms	18028 KB	Output is correct
39	Correct	11 ms	18028 KB	Output is correct
40	Correct	12 ms	17516 KB	Output is correct
41	Correct	10 ms	18028 KB	Output is correct
42	Correct	1 ms	512 KB	Output is correct
43	Correct	411 ms	757612 KB	Output is correct
44	Correct	407 ms	755328 KB	Output is correct
45	Correct	409 ms	757484 KB	Output is correct
46	Correct	420 ms	757508 KB	Output is correct
47	Correct	419 ms	757516 KB	Output is correct
48	Correct	414 ms	755308 KB	Output is correct
49	Correct	408 ms	755324 KB	Output is correct
50	Correct	403 ms	751596 KB	Output is correct
51	Correct	429 ms	757556 KB	Output is correct
52	Correct	459 ms	757484 KB	Output is correct
53	Correct	112 ms	202860 KB	Output is correct
54	Correct	197 ms	357484 KB	Output is correct
55	Correct	288 ms	517484 KB	Output is correct
56	Correct	406 ms	757484 KB	Output is correct
57	Correct	411 ms	757520 KB	Output is correct
58	Execution timed out	609 ms	757484 KB	Time limit exceeded
59	Halted	0 ms	0 KB	-

답안 #376979

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 55.0 / 55.0

Subtask #3 15.0 / 15.0

Subtask #4 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
55.0 / 55.0

Subtask #3
15.0 / 15.0

Subtask #4
0 / 25.0