Submission #373153

# Submission time Handle Problem Language Result Execution time Memory
373153 2021-03-03T14:26:28 Z LucaDantas Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
166 ms 73000 KB
#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);
      |   ~~~~~^~~~~~~~~~~~~~~~
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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