답안 #378263

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
378263	2021-03-16T10:57:50 Z	peijar	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	153 ms	127724 KB

ho_t3

#include <bits/stdc++.h>
using namespace std;
#define int long long

const int INF = 1e18;
const int MAXN = 201;

int minTime[MAXN][MAXN][MAXN][2];

signed main(void)
{
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	for (int nbPref = 0; nbPref < MAXN; ++nbPref) 
		for (int nbSuff = 0; nbSuff < MAXN; ++nbSuff) 
			for (int nbPris = 0; nbPris < MAXN; ++nbPris) 
				for (int pos = 0; pos < 2; ++pos) 
					minTime[nbPref][nbSuff][nbPris][pos] = INF;

	int nbStamps, longueur;
	cin >> nbStamps >> longueur;
	vector<int> positions(nbStamps);
	vector<int> tempsMax(nbStamps);
	for (auto &v : positions)
		cin >> v;
	for (auto &v : tempsMax)
		cin >> v;
	positions.insert(positions.begin(), 0);
	tempsMax.insert(tempsMax.begin(), INF);
	minTime[0][0][0][0] = 0;
	int sol = 0;
	for (int nbPref = 0; nbPref <= nbStamps; ++nbPref) 
		for (int nbSuff = 0; nbSuff <= nbStamps; ++nbSuff) 
			for (int nbPris = 0; nbPris <= nbStamps; ++nbPris) 
				for (int iPos(0); iPos < 2; ++iPos)
					if (minTime[nbPref][nbSuff][nbPris][iPos] < INF)
					{
						sol = max(sol, nbPris);
						int temps = minTime[nbPref][nbSuff][nbPris][iPos];
						//cout << nbPref << ' ' << nbSuff << ' ' << nbPris << ' ' << iPos << ' ' << temps << endl;
						if (nbPref + 1 + nbSuff > nbStamps) continue;
						if (!iPos)
						{
								int nxtTemps = temps + positions[nbPref+1] - positions[nbPref];
								int nxtPris = nbPris + (nxtTemps <= tempsMax[nbPref+1]);
								minTime[nbPref+1][nbSuff][nxtPris][0] =
									min(minTime[nbPref+1][nbSuff][nxtPris][0], nxtTemps);
								nxtTemps = temps + positions[nbPref] + (longueur - positions[nbStamps - nbSuff]);
								nxtPris = nbPris + (nxtTemps <= tempsMax[nbStamps-nbSuff]);
								minTime[nbPref][nbSuff+1][nxtPris][1] = 
									min(minTime[nbPref][nbSuff+1][nxtPris][1], nxtTemps);
						}
						else if (nbSuff)
						{
							int nxtTemps = temps + positions[nbStamps-nbSuff+1]
								- positions[nbStamps-nbSuff];
							int nxtPris = nbPris + (nxtTemps <= tempsMax[nbStamps-nbSuff]);
							minTime[nbPref][nbSuff+1][nxtPris][1] = 
								min(minTime[nbPref][nbSuff+1][nxtPris][1], nxtTemps);
							nxtTemps = temps + (longueur - positions[nbStamps-nbSuff+1])
								+ positions[nbPref+1];
							nxtPris = nbPris + (nxtTemps <= tempsMax[nbPref+1]);
							minTime[nbPref+1][nbSuff][nxtPris][0] = 
								min(minTime[nbPref+1][nbSuff][nxtPris][0], nxtTemps);
						}
					}
	cout << sol << endl;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	127468 KB	Output is correct
2	Correct	72 ms	127468 KB	Output is correct
3	Correct	76 ms	127468 KB	Output is correct
4	Correct	69 ms	127468 KB	Output is correct
5	Correct	73 ms	127468 KB	Output is correct
6	Correct	68 ms	127468 KB	Output is correct
7	Correct	67 ms	127468 KB	Output is correct
8	Correct	69 ms	127596 KB	Output is correct
9	Correct	74 ms	127468 KB	Output is correct
10	Correct	68 ms	127468 KB	Output is correct
11	Correct	67 ms	127468 KB	Output is correct
12	Correct	68 ms	127472 KB	Output is correct
13	Correct	70 ms	127468 KB	Output is correct
14	Correct	70 ms	127468 KB	Output is correct
15	Correct	69 ms	127468 KB	Output is correct
16	Correct	67 ms	127468 KB	Output is correct
17	Correct	69 ms	127468 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	127468 KB	Output is correct
2	Correct	72 ms	127468 KB	Output is correct
3	Correct	76 ms	127468 KB	Output is correct
4	Correct	69 ms	127468 KB	Output is correct
5	Correct	73 ms	127468 KB	Output is correct
6	Correct	68 ms	127468 KB	Output is correct
7	Correct	67 ms	127468 KB	Output is correct
8	Correct	69 ms	127596 KB	Output is correct
9	Correct	74 ms	127468 KB	Output is correct
10	Correct	68 ms	127468 KB	Output is correct
11	Correct	67 ms	127468 KB	Output is correct
12	Correct	68 ms	127472 KB	Output is correct
13	Correct	70 ms	127468 KB	Output is correct
14	Correct	70 ms	127468 KB	Output is correct
15	Correct	69 ms	127468 KB	Output is correct
16	Correct	67 ms	127468 KB	Output is correct
17	Correct	69 ms	127468 KB	Output is correct
18	Correct	74 ms	127596 KB	Output is correct
19	Correct	68 ms	127468 KB	Output is correct
20	Correct	68 ms	127468 KB	Output is correct
21	Correct	67 ms	127468 KB	Output is correct
22	Correct	73 ms	127468 KB	Output is correct
23	Correct	70 ms	127468 KB	Output is correct
24	Correct	79 ms	127468 KB	Output is correct
25	Correct	68 ms	127468 KB	Output is correct
26	Correct	68 ms	127468 KB	Output is correct
27	Correct	70 ms	127596 KB	Output is correct
28	Correct	70 ms	127468 KB	Output is correct
29	Correct	71 ms	127468 KB	Output is correct
30	Correct	70 ms	127596 KB	Output is correct
31	Correct	79 ms	127468 KB	Output is correct
32	Correct	68 ms	127468 KB	Output is correct
33	Correct	67 ms	127468 KB	Output is correct
34	Correct	69 ms	127468 KB	Output is correct
35	Correct	69 ms	127468 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	127468 KB	Output is correct
2	Correct	72 ms	127468 KB	Output is correct
3	Correct	76 ms	127468 KB	Output is correct
4	Correct	69 ms	127468 KB	Output is correct
5	Correct	73 ms	127468 KB	Output is correct
6	Correct	68 ms	127468 KB	Output is correct
7	Correct	67 ms	127468 KB	Output is correct
8	Correct	69 ms	127596 KB	Output is correct
9	Correct	74 ms	127468 KB	Output is correct
10	Correct	68 ms	127468 KB	Output is correct
11	Correct	67 ms	127468 KB	Output is correct
12	Correct	68 ms	127472 KB	Output is correct
13	Correct	70 ms	127468 KB	Output is correct
14	Correct	70 ms	127468 KB	Output is correct
15	Correct	69 ms	127468 KB	Output is correct
16	Correct	67 ms	127468 KB	Output is correct
17	Correct	69 ms	127468 KB	Output is correct
18	Correct	121 ms	127468 KB	Output is correct
19	Correct	96 ms	127596 KB	Output is correct
20	Correct	81 ms	127596 KB	Output is correct
21	Correct	91 ms	127468 KB	Output is correct
22	Correct	104 ms	127468 KB	Output is correct
23	Correct	92 ms	127616 KB	Output is correct
24	Correct	75 ms	127468 KB	Output is correct
25	Correct	79 ms	127468 KB	Output is correct
26	Correct	70 ms	127468 KB	Output is correct
27	Correct	78 ms	127416 KB	Output is correct
28	Correct	74 ms	127468 KB	Output is correct
29	Correct	80 ms	127724 KB	Output is correct
30	Correct	75 ms	127572 KB	Output is correct
31	Correct	86 ms	127468 KB	Output is correct
32	Correct	74 ms	127596 KB	Output is correct
33	Correct	78 ms	127596 KB	Output is correct
34	Correct	72 ms	127468 KB	Output is correct
35	Correct	74 ms	127468 KB	Output is correct
36	Correct	72 ms	127456 KB	Output is correct
37	Correct	79 ms	127596 KB	Output is correct
38	Correct	71 ms	127468 KB	Output is correct
39	Correct	75 ms	127468 KB	Output is correct
40	Correct	73 ms	127468 KB	Output is correct
41	Correct	143 ms	127596 KB	Output is correct
42	Correct	98 ms	127468 KB	Output is correct
43	Correct	153 ms	127596 KB	Output is correct
44	Correct	92 ms	127468 KB	Output is correct
45	Correct	141 ms	127468 KB	Output is correct
46	Correct	91 ms	127596 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	127468 KB	Output is correct
2	Correct	72 ms	127468 KB	Output is correct
3	Correct	76 ms	127468 KB	Output is correct
4	Correct	69 ms	127468 KB	Output is correct
5	Correct	73 ms	127468 KB	Output is correct
6	Correct	68 ms	127468 KB	Output is correct
7	Correct	67 ms	127468 KB	Output is correct
8	Correct	69 ms	127596 KB	Output is correct
9	Correct	74 ms	127468 KB	Output is correct
10	Correct	68 ms	127468 KB	Output is correct
11	Correct	67 ms	127468 KB	Output is correct
12	Correct	68 ms	127472 KB	Output is correct
13	Correct	70 ms	127468 KB	Output is correct
14	Correct	70 ms	127468 KB	Output is correct
15	Correct	69 ms	127468 KB	Output is correct
16	Correct	67 ms	127468 KB	Output is correct
17	Correct	69 ms	127468 KB	Output is correct
18	Correct	74 ms	127596 KB	Output is correct
19	Correct	68 ms	127468 KB	Output is correct
20	Correct	68 ms	127468 KB	Output is correct
21	Correct	67 ms	127468 KB	Output is correct
22	Correct	73 ms	127468 KB	Output is correct
23	Correct	70 ms	127468 KB	Output is correct
24	Correct	79 ms	127468 KB	Output is correct
25	Correct	68 ms	127468 KB	Output is correct
26	Correct	68 ms	127468 KB	Output is correct
27	Correct	70 ms	127596 KB	Output is correct
28	Correct	70 ms	127468 KB	Output is correct
29	Correct	71 ms	127468 KB	Output is correct
30	Correct	70 ms	127596 KB	Output is correct
31	Correct	79 ms	127468 KB	Output is correct
32	Correct	68 ms	127468 KB	Output is correct
33	Correct	67 ms	127468 KB	Output is correct
34	Correct	69 ms	127468 KB	Output is correct
35	Correct	69 ms	127468 KB	Output is correct
36	Correct	121 ms	127468 KB	Output is correct
37	Correct	96 ms	127596 KB	Output is correct
38	Correct	81 ms	127596 KB	Output is correct
39	Correct	91 ms	127468 KB	Output is correct
40	Correct	104 ms	127468 KB	Output is correct
41	Correct	92 ms	127616 KB	Output is correct
42	Correct	75 ms	127468 KB	Output is correct
43	Correct	79 ms	127468 KB	Output is correct
44	Correct	70 ms	127468 KB	Output is correct
45	Correct	78 ms	127416 KB	Output is correct
46	Correct	74 ms	127468 KB	Output is correct
47	Correct	80 ms	127724 KB	Output is correct
48	Correct	75 ms	127572 KB	Output is correct
49	Correct	86 ms	127468 KB	Output is correct
50	Correct	74 ms	127596 KB	Output is correct
51	Correct	78 ms	127596 KB	Output is correct
52	Correct	72 ms	127468 KB	Output is correct
53	Correct	74 ms	127468 KB	Output is correct
54	Correct	72 ms	127456 KB	Output is correct
55	Correct	79 ms	127596 KB	Output is correct
56	Correct	71 ms	127468 KB	Output is correct
57	Correct	75 ms	127468 KB	Output is correct
58	Correct	73 ms	127468 KB	Output is correct
59	Correct	143 ms	127596 KB	Output is correct
60	Correct	98 ms	127468 KB	Output is correct
61	Correct	153 ms	127596 KB	Output is correct
62	Correct	92 ms	127468 KB	Output is correct
63	Correct	141 ms	127468 KB	Output is correct
64	Correct	91 ms	127596 KB	Output is correct
65	Correct	127 ms	127468 KB	Output is correct
66	Correct	123 ms	127468 KB	Output is correct
67	Correct	120 ms	127724 KB	Output is correct
68	Correct	112 ms	127468 KB	Output is correct
69	Correct	128 ms	127468 KB	Output is correct
70	Correct	130 ms	127468 KB	Output is correct
71	Correct	122 ms	127468 KB	Output is correct
72	Correct	141 ms	127596 KB	Output is correct
73	Correct	111 ms	127468 KB	Output is correct
74	Correct	120 ms	127468 KB	Output is correct
75	Correct	119 ms	127468 KB	Output is correct
76	Correct	139 ms	127468 KB	Output is correct
77	Correct	132 ms	127468 KB	Output is correct
78	Correct	115 ms	127468 KB	Output is correct
79	Correct	116 ms	127468 KB	Output is correct
80	Correct	137 ms	127468 KB	Output is correct
81	Correct	119 ms	127468 KB	Output is correct
82	Correct	112 ms	127536 KB	Output is correct
83	Correct	136 ms	127468 KB	Output is correct
84	Correct	116 ms	127596 KB	Output is correct
85	Correct	121 ms	127596 KB	Output is correct
86	Correct	120 ms	127468 KB	Output is correct
87	Correct	129 ms	127596 KB	Output is correct
88	Correct	148 ms	127596 KB	Output is correct
89	Correct	142 ms	127468 KB	Output is correct
90	Correct	101 ms	127536 KB	Output is correct
91	Correct	148 ms	127596 KB	Output is correct
92	Correct	143 ms	127468 KB	Output is correct
93	Correct	109 ms	127468 KB	Output is correct

답안 #378263

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 75.0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
75.0 / 75.0