답안 #373153

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
373153	2021-03-03T14:26:28 Z	LucaDantas	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	166 ms	73000 KB

ho_t3

#include<bits/stdc++.h>

#define ff first
#define ss second

constexpr int maxn = 200+10;

std::pair<int,int> a[maxn];

int dp[maxn][maxn][maxn][2];

void min_self(int& a, int b) { a = std::min(a, b); }

int main() {
	int n, T; scanf("%d %d", &n, &T);
	for(int i = 1; i <= n; i++)
		scanf("%d", &a[i].ff);
	for(int i = 1; i <= n; i++)
		scanf("%d", &a[i].ss);
	a[0] = {0, -1}; // a origem
	++n;
	auto prev = [&](int x) {
		return (x+n-1)%n;
	};
	auto next = [&](int x) {
		return (x+1)%n;
	};
	auto dist = [&](int x, int y) {
		if(x > y) return y + T - x;
		return y - x;
	};
	memset(dp, 0x3f, sizeof dp);
	dp[0][0][0][0] = 0;
	for(int sz = 0; sz < n; sz++) {
		for(int l = 0; l < n; l++) {
			int r = (l+sz)%n;
			for(int k = 0; k <= sz; k++) {
				if(std::min(dp[l][r][k][0], dp[l][r][k][1]) == 0x3f3f3f3f || l == next(r)) continue;
				// printf("%d %d %d (%d %d)\n\n", l, r, k, dp[l][r][k][0], dp[l][r][k][1]);
				
				// eu ligando com o anterior com o ptr na esq do itv
				int t = dp[l][r][k][0] + dist(a[prev(l)].first, a[l].first);
				min_self(dp[prev(l)][r][k+(t<=a[prev(l)].second)][0], t);
				// printf("%d %d\n", t, prev(l));

				// eu ligando com o anterior com o ptr na dir do itv
				t = dp[l][r][k][1] + dist(a[prev(l)].first, a[r].first);
				min_self(dp[prev(l)][r][k+(t<=a[prev(l)].second)][0], t);

				// eu ligando com o proximo com o ptr na esq do itv
				t = dp[l][r][k][0] + dist(a[l].first, a[next(r)].first);
				min_self(dp[l][next(r)][k+(t<=a[next(r)].second)][1], t);
				// eu ligando com o proximo com o ptr na dir do itv
				t = dp[l][r][k][1] + dist(a[r].first, a[next(r)].first);
				min_self(dp[l][next(r)][k+(t<=a[next(r)].second)][1], t);
			}
		}
	}

	int ans = 0;
	for(int k = 0; k <= n; k++)
		for(int l = 0; l <= n; l++)
			for(int r = 0; r <= n; r++)
				for(int b : {0, 1})
					if(dp[l][r][k][b] < 0x3f3f3f3f)
						ans = k;
	printf("%d\n", ans);
}

Compilation message

ho_t3.cpp: In function 'int main()':
ho_t3.cpp:15:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 |  int n, T; scanf("%d %d", &n, &T);
      |            ~~~~~^~~~~~~~~~~~~~~~~
ho_t3.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |   scanf("%d", &a[i].ff);
      |   ~~~~~^~~~~~~~~~~~~~~~
ho_t3.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |   scanf("%d", &a[i].ss);
      |   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	72812 KB	Output is correct
2	Correct	45 ms	72812 KB	Output is correct
3	Correct	40 ms	72812 KB	Output is correct
4	Correct	39 ms	72940 KB	Output is correct
5	Correct	39 ms	72812 KB	Output is correct
6	Correct	40 ms	72812 KB	Output is correct
7	Correct	40 ms	72812 KB	Output is correct
8	Correct	39 ms	72812 KB	Output is correct
9	Correct	40 ms	72812 KB	Output is correct
10	Correct	40 ms	72812 KB	Output is correct
11	Correct	39 ms	72812 KB	Output is correct
12	Correct	40 ms	72812 KB	Output is correct
13	Correct	40 ms	72812 KB	Output is correct
14	Correct	41 ms	72812 KB	Output is correct
15	Correct	40 ms	72812 KB	Output is correct
16	Correct	39 ms	72812 KB	Output is correct
17	Correct	39 ms	72812 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	72812 KB	Output is correct
2	Correct	45 ms	72812 KB	Output is correct
3	Correct	40 ms	72812 KB	Output is correct
4	Correct	39 ms	72940 KB	Output is correct
5	Correct	39 ms	72812 KB	Output is correct
6	Correct	40 ms	72812 KB	Output is correct
7	Correct	40 ms	72812 KB	Output is correct
8	Correct	39 ms	72812 KB	Output is correct
9	Correct	40 ms	72812 KB	Output is correct
10	Correct	40 ms	72812 KB	Output is correct
11	Correct	39 ms	72812 KB	Output is correct
12	Correct	40 ms	72812 KB	Output is correct
13	Correct	40 ms	72812 KB	Output is correct
14	Correct	41 ms	72812 KB	Output is correct
15	Correct	40 ms	72812 KB	Output is correct
16	Correct	39 ms	72812 KB	Output is correct
17	Correct	39 ms	72812 KB	Output is correct
18	Correct	39 ms	72812 KB	Output is correct
19	Correct	41 ms	72812 KB	Output is correct
20	Correct	40 ms	72812 KB	Output is correct
21	Correct	40 ms	72940 KB	Output is correct
22	Correct	46 ms	72812 KB	Output is correct
23	Correct	39 ms	72812 KB	Output is correct
24	Correct	46 ms	72812 KB	Output is correct
25	Correct	41 ms	72812 KB	Output is correct
26	Correct	39 ms	72812 KB	Output is correct
27	Correct	40 ms	72940 KB	Output is correct
28	Correct	39 ms	72812 KB	Output is correct
29	Correct	40 ms	72812 KB	Output is correct
30	Correct	40 ms	72940 KB	Output is correct
31	Correct	40 ms	72812 KB	Output is correct
32	Correct	40 ms	72812 KB	Output is correct
33	Correct	40 ms	72812 KB	Output is correct
34	Correct	40 ms	72812 KB	Output is correct
35	Correct	40 ms	72812 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	72812 KB	Output is correct
2	Correct	45 ms	72812 KB	Output is correct
3	Correct	40 ms	72812 KB	Output is correct
4	Correct	39 ms	72940 KB	Output is correct
5	Correct	39 ms	72812 KB	Output is correct
6	Correct	40 ms	72812 KB	Output is correct
7	Correct	40 ms	72812 KB	Output is correct
8	Correct	39 ms	72812 KB	Output is correct
9	Correct	40 ms	72812 KB	Output is correct
10	Correct	40 ms	72812 KB	Output is correct
11	Correct	39 ms	72812 KB	Output is correct
12	Correct	40 ms	72812 KB	Output is correct
13	Correct	40 ms	72812 KB	Output is correct
14	Correct	41 ms	72812 KB	Output is correct
15	Correct	40 ms	72812 KB	Output is correct
16	Correct	39 ms	72812 KB	Output is correct
17	Correct	39 ms	72812 KB	Output is correct
18	Correct	122 ms	72812 KB	Output is correct
19	Correct	80 ms	72812 KB	Output is correct
20	Correct	56 ms	72940 KB	Output is correct
21	Correct	75 ms	72812 KB	Output is correct
22	Correct	98 ms	72940 KB	Output is correct
23	Correct	54 ms	72812 KB	Output is correct
24	Correct	46 ms	72812 KB	Output is correct
25	Correct	55 ms	72940 KB	Output is correct
26	Correct	45 ms	72812 KB	Output is correct
27	Correct	54 ms	72812 KB	Output is correct
28	Correct	47 ms	72940 KB	Output is correct
29	Correct	53 ms	72812 KB	Output is correct
30	Correct	50 ms	72960 KB	Output is correct
31	Correct	52 ms	72812 KB	Output is correct
32	Correct	44 ms	72812 KB	Output is correct
33	Correct	53 ms	72812 KB	Output is correct
34	Correct	41 ms	72812 KB	Output is correct
35	Correct	49 ms	72812 KB	Output is correct
36	Correct	42 ms	72812 KB	Output is correct
37	Correct	49 ms	72812 KB	Output is correct
38	Correct	44 ms	72812 KB	Output is correct
39	Correct	50 ms	72812 KB	Output is correct
40	Correct	44 ms	72812 KB	Output is correct
41	Correct	161 ms	72812 KB	Output is correct
42	Correct	81 ms	72940 KB	Output is correct
43	Correct	162 ms	72812 KB	Output is correct
44	Correct	80 ms	72940 KB	Output is correct
45	Correct	166 ms	72940 KB	Output is correct
46	Correct	80 ms	72812 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	72812 KB	Output is correct
2	Correct	45 ms	72812 KB	Output is correct
3	Correct	40 ms	72812 KB	Output is correct
4	Correct	39 ms	72940 KB	Output is correct
5	Correct	39 ms	72812 KB	Output is correct
6	Correct	40 ms	72812 KB	Output is correct
7	Correct	40 ms	72812 KB	Output is correct
8	Correct	39 ms	72812 KB	Output is correct
9	Correct	40 ms	72812 KB	Output is correct
10	Correct	40 ms	72812 KB	Output is correct
11	Correct	39 ms	72812 KB	Output is correct
12	Correct	40 ms	72812 KB	Output is correct
13	Correct	40 ms	72812 KB	Output is correct
14	Correct	41 ms	72812 KB	Output is correct
15	Correct	40 ms	72812 KB	Output is correct
16	Correct	39 ms	72812 KB	Output is correct
17	Correct	39 ms	72812 KB	Output is correct
18	Correct	39 ms	72812 KB	Output is correct
19	Correct	41 ms	72812 KB	Output is correct
20	Correct	40 ms	72812 KB	Output is correct
21	Correct	40 ms	72940 KB	Output is correct
22	Correct	46 ms	72812 KB	Output is correct
23	Correct	39 ms	72812 KB	Output is correct
24	Correct	46 ms	72812 KB	Output is correct
25	Correct	41 ms	72812 KB	Output is correct
26	Correct	39 ms	72812 KB	Output is correct
27	Correct	40 ms	72940 KB	Output is correct
28	Correct	39 ms	72812 KB	Output is correct
29	Correct	40 ms	72812 KB	Output is correct
30	Correct	40 ms	72940 KB	Output is correct
31	Correct	40 ms	72812 KB	Output is correct
32	Correct	40 ms	72812 KB	Output is correct
33	Correct	40 ms	72812 KB	Output is correct
34	Correct	40 ms	72812 KB	Output is correct
35	Correct	40 ms	72812 KB	Output is correct
36	Correct	122 ms	72812 KB	Output is correct
37	Correct	80 ms	72812 KB	Output is correct
38	Correct	56 ms	72940 KB	Output is correct
39	Correct	75 ms	72812 KB	Output is correct
40	Correct	98 ms	72940 KB	Output is correct
41	Correct	54 ms	72812 KB	Output is correct
42	Correct	46 ms	72812 KB	Output is correct
43	Correct	55 ms	72940 KB	Output is correct
44	Correct	45 ms	72812 KB	Output is correct
45	Correct	54 ms	72812 KB	Output is correct
46	Correct	47 ms	72940 KB	Output is correct
47	Correct	53 ms	72812 KB	Output is correct
48	Correct	50 ms	72960 KB	Output is correct
49	Correct	52 ms	72812 KB	Output is correct
50	Correct	44 ms	72812 KB	Output is correct
51	Correct	53 ms	72812 KB	Output is correct
52	Correct	41 ms	72812 KB	Output is correct
53	Correct	49 ms	72812 KB	Output is correct
54	Correct	42 ms	72812 KB	Output is correct
55	Correct	49 ms	72812 KB	Output is correct
56	Correct	44 ms	72812 KB	Output is correct
57	Correct	50 ms	72812 KB	Output is correct
58	Correct	44 ms	72812 KB	Output is correct
59	Correct	161 ms	72812 KB	Output is correct
60	Correct	81 ms	72940 KB	Output is correct
61	Correct	162 ms	72812 KB	Output is correct
62	Correct	80 ms	72940 KB	Output is correct
63	Correct	166 ms	72940 KB	Output is correct
64	Correct	80 ms	72812 KB	Output is correct
65	Correct	111 ms	72872 KB	Output is correct
66	Correct	102 ms	72812 KB	Output is correct
67	Correct	97 ms	72940 KB	Output is correct
68	Correct	88 ms	72812 KB	Output is correct
69	Correct	109 ms	72812 KB	Output is correct
70	Correct	107 ms	72812 KB	Output is correct
71	Correct	99 ms	72940 KB	Output is correct
72	Correct	111 ms	72812 KB	Output is correct
73	Correct	93 ms	72812 KB	Output is correct
74	Correct	96 ms	72812 KB	Output is correct
75	Correct	99 ms	72812 KB	Output is correct
76	Correct	133 ms	72812 KB	Output is correct
77	Correct	117 ms	72812 KB	Output is correct
78	Correct	101 ms	73000 KB	Output is correct
79	Correct	93 ms	72812 KB	Output is correct
80	Correct	130 ms	72940 KB	Output is correct
81	Correct	91 ms	72812 KB	Output is correct
82	Correct	108 ms	72940 KB	Output is correct
83	Correct	124 ms	72812 KB	Output is correct
84	Correct	114 ms	72940 KB	Output is correct
85	Correct	106 ms	72812 KB	Output is correct
86	Correct	126 ms	72812 KB	Output is correct
87	Correct	101 ms	72940 KB	Output is correct
88	Correct	132 ms	72812 KB	Output is correct
89	Correct	120 ms	72940 KB	Output is correct
90	Correct	98 ms	72812 KB	Output is correct
91	Correct	129 ms	72812 KB	Output is correct
92	Correct	125 ms	72940 KB	Output is correct
93	Correct	115 ms	72908 KB	Output is correct

답안 #373153

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