oj.uz

Submission #410728

# Submission time Handle Problem Language Result Execution time Memory
410728 2021-05-23T13:23:54 Z ngpin04 Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 204 ms 130760 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define int long long 
using namespace std;
const int N = 205;
const long long oo = 1e18;

long long dp[N][N][N][2];

int costl[N];
int costr[N];
int a[N];
int t[N];
int n,L;

template <typename T> 
bool mini(T &a, T b) {
	if (a > b) {
		a = b;
		return true;
	}
	return false;
}

signed main() {	
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> L;
	for (int i = 1; i <= n; i++)
		cin >> a[i];
	for (int i = 1; i <= n; i++)
		cin >> t[i];

	a[++n] = L;	
	for (int i = 0; i < n; i++)
		costr[i] = a[i + 1] - a[i];

	for (int i = 1; i <= n; i++)
		costl[i % n] = a[i] - a[i - 1];

	// for (int i = 0; i < n; i++)
	// 	cerr << costr[i] << " \n"[i == n - 1];

	// for (int i = 0; i < n; i++)
	// 	cerr << costl[i] << " \n"[i == n - 1];

	for (int l = 0; l < n; l++) 
	for (int r = 0; r < n; r++)
	for (int cnt = 0; cnt < n; cnt++)
	for (int side = 0; side < 2; side++) 
		dp[l][r][cnt][side] = oo;
	
	dp[0][0][0][0] = dp[0][0][0][1] = 0;
	for (int l = 0, cntl = n; cntl > 0; l = (l + n - 1) % n, cntl--) 
	for (int r = 0, cntr = cntl - 1; cntr > 0; r = (r + 1) % n, cntr--) 
	for (int cnt = 0; cnt < n; cnt++) 
	for (int side = 0; side < 2; side++) {
		long long cur = dp[l][r][cnt][side];
		if (cur == oo)
			continue;

		int add = a[r] + (L - a[l]) % L;
		long long cost;

		cost = 1LL * (side == 0) * add + costr[r];
		int nxtr = (r + 1) % n;	
		mini(dp[l][nxtr][cnt + (cur + cost <= t[nxtr])][1], cur + cost);

		cost = 1LL * (side == 1) * add + costl[l];
		int nxtl = (l + n - 1) % n;
		mini(dp[nxtl][r][cnt + (cur + cost <= t[nxtl])][0], cur + cost);
	}

	int ans = 0;
	for (int cnt = 0; cnt < n; cnt++)
	for (int l = 0; l < n; l++)
	for (int r = 0; r < n; r++) 
	for (int side = 0; side < 2; side++)
		if (dp[l][r][cnt][side] < oo)
			ans = cnt;

	cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 844 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 844 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 840 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 844 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 844 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 840 KB Output is correct
18 Correct 1 ms 968 KB Output is correct
19 Correct 1 ms 716 KB Output is correct
20 Correct 1 ms 844 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 1100 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 968 KB Output is correct
26 Correct 1 ms 972 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 588 KB Output is correct
29 Correct 1 ms 1100 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 972 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 1100 KB Output is correct
34 Correct 1 ms 1100 KB Output is correct
35 Correct 1 ms 1100 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 844 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 844 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 840 KB Output is correct
18 Correct 127 ms 104932 KB Output is correct
19 Correct 67 ms 63692 KB Output is correct
20 Correct 29 ms 34020 KB Output is correct
21 Correct 62 ms 60020 KB Output is correct
22 Correct 89 ms 77952 KB Output is correct
23 Correct 26 ms 28876 KB Output is correct
24 Correct 17 ms 22628 KB Output is correct
25 Correct 28 ms 28288 KB Output is correct
26 Correct 7 ms 10828 KB Output is correct
27 Correct 29 ms 29512 KB Output is correct
28 Correct 16 ms 21092 KB Output is correct
29 Correct 27 ms 30152 KB Output is correct
30 Correct 18 ms 23628 KB Output is correct
31 Correct 24 ms 28352 KB Output is correct
32 Correct 11 ms 14916 KB Output is correct
33 Correct 25 ms 28236 KB Output is correct
34 Correct 7 ms 10060 KB Output is correct
35 Correct 22 ms 27724 KB Output is correct
36 Correct 11 ms 13240 KB Output is correct
37 Correct 25 ms 29516 KB Output is correct
38 Correct 12 ms 16232 KB Output is correct
39 Correct 24 ms 30796 KB Output is correct
40 Correct 14 ms 18108 KB Output is correct
41 Correct 179 ms 129472 KB Output is correct
42 Correct 87 ms 87152 KB Output is correct
43 Correct 190 ms 129476 KB Output is correct
44 Correct 81 ms 86212 KB Output is correct
45 Correct 177 ms 129424 KB Output is correct
46 Correct 82 ms 87112 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 844 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 844 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 840 KB Output is correct
18 Correct 1 ms 968 KB Output is correct
19 Correct 1 ms 716 KB Output is correct
20 Correct 1 ms 844 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 1100 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 968 KB Output is correct
26 Correct 1 ms 972 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 588 KB Output is correct
29 Correct 1 ms 1100 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 972 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 1100 KB Output is correct
34 Correct 1 ms 1100 KB Output is correct
35 Correct 1 ms 1100 KB Output is correct
36 Correct 127 ms 104932 KB Output is correct
37 Correct 67 ms 63692 KB Output is correct
38 Correct 29 ms 34020 KB Output is correct
39 Correct 62 ms 60020 KB Output is correct
40 Correct 89 ms 77952 KB Output is correct
41 Correct 26 ms 28876 KB Output is correct
42 Correct 17 ms 22628 KB Output is correct
43 Correct 28 ms 28288 KB Output is correct
44 Correct 7 ms 10828 KB Output is correct
45 Correct 29 ms 29512 KB Output is correct
46 Correct 16 ms 21092 KB Output is correct
47 Correct 27 ms 30152 KB Output is correct
48 Correct 18 ms 23628 KB Output is correct
49 Correct 24 ms 28352 KB Output is correct
50 Correct 11 ms 14916 KB Output is correct
51 Correct 25 ms 28236 KB Output is correct
52 Correct 7 ms 10060 KB Output is correct
53 Correct 22 ms 27724 KB Output is correct
54 Correct 11 ms 13240 KB Output is correct
55 Correct 25 ms 29516 KB Output is correct
56 Correct 12 ms 16232 KB Output is correct
57 Correct 24 ms 30796 KB Output is correct
58 Correct 14 ms 18108 KB Output is correct
59 Correct 179 ms 129472 KB Output is correct
60 Correct 87 ms 87152 KB Output is correct
61 Correct 190 ms 129476 KB Output is correct
62 Correct 81 ms 86212 KB Output is correct
63 Correct 177 ms 129424 KB Output is correct
64 Correct 82 ms 87112 KB Output is correct
65 Correct 154 ms 116908 KB Output is correct
66 Correct 136 ms 107332 KB Output is correct
67 Correct 125 ms 102588 KB Output is correct
68 Correct 120 ms 94712 KB Output is correct
69 Correct 153 ms 115592 KB Output is correct
70 Correct 148 ms 110832 KB Output is correct
71 Correct 158 ms 112160 KB Output is correct
72 Correct 146 ms 113144 KB Output is correct
73 Correct 118 ms 104904 KB Output is correct
74 Correct 127 ms 98120 KB Output is correct
75 Correct 133 ms 108412 KB Output is correct
76 Correct 169 ms 124360 KB Output is correct
77 Correct 159 ms 124352 KB Output is correct
78 Correct 121 ms 95940 KB Output is correct
79 Correct 131 ms 99224 KB Output is correct
80 Correct 180 ms 121836 KB Output is correct
81 Correct 119 ms 100368 KB Output is correct
82 Correct 122 ms 106016 KB Output is correct
83 Correct 175 ms 129476 KB Output is correct
84 Correct 132 ms 110852 KB Output is correct
85 Correct 145 ms 120532 KB Output is correct
86 Correct 139 ms 118084 KB Output is correct
87 Correct 139 ms 108512 KB Output is correct
88 Correct 190 ms 130704 KB Output is correct
89 Correct 179 ms 130636 KB Output is correct
90 Correct 115 ms 109820 KB Output is correct
91 Correct 204 ms 130760 KB Output is correct
92 Correct 178 ms 130756 KB Output is correct
93 Correct 134 ms 128160 KB Output is correct