oj.uz

Submission #923089

# Submission time Handle Problem Language Result Execution time Memory
923089 2024-02-06T14:50:24 Z tvladm2009 Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 291 ms 186328 KB 
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
 
using namespace std;
template<typename T1, typename T2> inline void chkmin(T1 &a, T2 b) {if (a > b) a = b;}
template<typename T1, typename T2> inline void chkmax(T1 &a, T2 b) {if (a < b) a = b;}
#define files(FILENAME) read(FILENAME); write(FILENAME)
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define all(c) (c).begin(), (c).end()
#define sz(c) (int)(c).size()
#define left left228
#define right right228
#define y1 y1228
#define mp make_pair
#define pb push_back
#define y2 y2228
#define rank rank228
using ll = long long;
using ld = long double; 
const string FILENAME = "input";
const int MAXN = 228;

int n, l;
ll x[MAXN], t[MAXN];
ll dp[MAXN][MAXN][2][MAXN];
 
int dist(int i, int j) {
	return min(abs(x[i] - x[j]), l - abs(x[i] - x[j]));
}
 
ll solve(int l, int r, int side, int cnt) {
	if (cnt == 0) {
		return (1LL << 60);
	}
	if (l > r) {
		return -(1LL << 60);
	}
	if (dp[l][r][side][cnt] != -1) {
		return dp[l][r][side][cnt];
	}
	int pos;
	if (side == 0) {
		pos = l - 1;
	} else {
		pos = r + 1;
	}
	ll ans = -(1LL << 60);
	chkmax(ans, solve(l + 1, r, 0, cnt) - dist(l, pos));
	chkmax(ans, min(t[l], solve(l + 1, r, 0, cnt - 1)) - dist(l, pos));
	chkmax(ans, solve(l, r - 1, 1, cnt) - dist(r, pos));
	chkmax(ans, min(t[r], solve(l, r - 1, 1, cnt - 1)) - dist(r, pos));
	dp[l][r][side][cnt] = ans;
	return dp[l][r][side][cnt];
}
 
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	//read(FILENAME);
	cin >> n >> l;
	for (int i = 0; i < n; i++) {
		cin >> x[i];
	}
	for (int i = 0; i < n; i++) {
		cin >> t[i];
	}
	memset(dp, -1, sizeof(dp));
	ll sol = 0;
	for (int i = 0; i <= n; i++) {
		if (solve(0, n - 1, 1, i) >= 0) {
			sol = i;
		}
	}
	cout << sol << '\n';
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 185884 KB Output is correct
2 Correct 61 ms 185940 KB Output is correct
3 Correct 60 ms 185936 KB Output is correct
4 Correct 61 ms 185940 KB Output is correct
5 Correct 60 ms 185940 KB Output is correct
6 Correct 61 ms 185940 KB Output is correct
7 Correct 60 ms 185940 KB Output is correct
8 Correct 62 ms 185940 KB Output is correct
9 Correct 60 ms 185972 KB Output is correct
10 Correct 61 ms 186124 KB Output is correct
11 Correct 71 ms 185944 KB Output is correct
12 Correct 59 ms 185984 KB Output is correct
13 Correct 61 ms 185940 KB Output is correct
14 Correct 60 ms 185960 KB Output is correct
15 Correct 64 ms 186328 KB Output is correct
16 Correct 61 ms 185944 KB Output is correct
17 Correct 60 ms 185940 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 185884 KB Output is correct
2 Correct 61 ms 185940 KB Output is correct
3 Correct 60 ms 185936 KB Output is correct
4 Correct 61 ms 185940 KB Output is correct
5 Correct 60 ms 185940 KB Output is correct
6 Correct 61 ms 185940 KB Output is correct
7 Correct 60 ms 185940 KB Output is correct
8 Correct 62 ms 185940 KB Output is correct
9 Correct 60 ms 185972 KB Output is correct
10 Correct 61 ms 186124 KB Output is correct
11 Correct 71 ms 185944 KB Output is correct
12 Correct 59 ms 185984 KB Output is correct
13 Correct 61 ms 185940 KB Output is correct
14 Correct 60 ms 185960 KB Output is correct
15 Correct 64 ms 186328 KB Output is correct
16 Correct 61 ms 185944 KB Output is correct
17 Correct 60 ms 185940 KB Output is correct
18 Correct 61 ms 185944 KB Output is correct
19 Correct 61 ms 185764 KB Output is correct
20 Correct 62 ms 185940 KB Output is correct
21 Correct 59 ms 185960 KB Output is correct
22 Correct 60 ms 185828 KB Output is correct
23 Correct 60 ms 185940 KB Output is correct
24 Correct 60 ms 185936 KB Output is correct
25 Correct 60 ms 185980 KB Output is correct
26 Correct 62 ms 185940 KB Output is correct
27 Correct 62 ms 185880 KB Output is correct
28 Correct 61 ms 185784 KB Output is correct
29 Correct 62 ms 185832 KB Output is correct
30 Correct 60 ms 185936 KB Output is correct
31 Correct 60 ms 185940 KB Output is correct
32 Correct 60 ms 185792 KB Output is correct
33 Correct 70 ms 185956 KB Output is correct
34 Correct 62 ms 185808 KB Output is correct
35 Correct 60 ms 185988 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 185884 KB Output is correct
2 Correct 61 ms 185940 KB Output is correct
3 Correct 60 ms 185936 KB Output is correct
4 Correct 61 ms 185940 KB Output is correct
5 Correct 60 ms 185940 KB Output is correct
6 Correct 61 ms 185940 KB Output is correct
7 Correct 60 ms 185940 KB Output is correct
8 Correct 62 ms 185940 KB Output is correct
9 Correct 60 ms 185972 KB Output is correct
10 Correct 61 ms 186124 KB Output is correct
11 Correct 71 ms 185944 KB Output is correct
12 Correct 59 ms 185984 KB Output is correct
13 Correct 61 ms 185940 KB Output is correct
14 Correct 60 ms 185960 KB Output is correct
15 Correct 64 ms 186328 KB Output is correct
16 Correct 61 ms 185944 KB Output is correct
17 Correct 60 ms 185940 KB Output is correct
18 Correct 198 ms 186040 KB Output is correct
19 Correct 124 ms 186012 KB Output is correct
20 Correct 84 ms 185884 KB Output is correct
21 Correct 118 ms 186004 KB Output is correct
22 Correct 142 ms 186300 KB Output is correct
23 Correct 79 ms 185844 KB Output is correct
24 Correct 74 ms 185876 KB Output is correct
25 Correct 76 ms 185936 KB Output is correct
26 Correct 64 ms 185940 KB Output is correct
27 Correct 80 ms 185936 KB Output is correct
28 Correct 69 ms 185940 KB Output is correct
29 Correct 77 ms 185800 KB Output is correct
30 Correct 76 ms 185936 KB Output is correct
31 Correct 77 ms 185840 KB Output is correct
32 Correct 66 ms 185916 KB Output is correct
33 Correct 77 ms 185940 KB Output is correct
34 Correct 63 ms 185936 KB Output is correct
35 Correct 74 ms 185944 KB Output is correct
36 Correct 64 ms 185940 KB Output is correct
37 Correct 83 ms 186056 KB Output is correct
38 Correct 65 ms 185936 KB Output is correct
39 Correct 81 ms 185936 KB Output is correct
40 Correct 67 ms 185948 KB Output is correct
41 Correct 253 ms 186192 KB Output is correct
42 Correct 165 ms 186008 KB Output is correct
43 Correct 250 ms 185936 KB Output is correct
44 Correct 170 ms 186192 KB Output is correct
45 Correct 229 ms 186012 KB Output is correct
46 Correct 164 ms 186008 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 185884 KB Output is correct
2 Correct 61 ms 185940 KB Output is correct
3 Correct 60 ms 185936 KB Output is correct
4 Correct 61 ms 185940 KB Output is correct
5 Correct 60 ms 185940 KB Output is correct
6 Correct 61 ms 185940 KB Output is correct
7 Correct 60 ms 185940 KB Output is correct
8 Correct 62 ms 185940 KB Output is correct
9 Correct 60 ms 185972 KB Output is correct
10 Correct 61 ms 186124 KB Output is correct
11 Correct 71 ms 185944 KB Output is correct
12 Correct 59 ms 185984 KB Output is correct
13 Correct 61 ms 185940 KB Output is correct
14 Correct 60 ms 185960 KB Output is correct
15 Correct 64 ms 186328 KB Output is correct
16 Correct 61 ms 185944 KB Output is correct
17 Correct 60 ms 185940 KB Output is correct
18 Correct 61 ms 185944 KB Output is correct
19 Correct 61 ms 185764 KB Output is correct
20 Correct 62 ms 185940 KB Output is correct
21 Correct 59 ms 185960 KB Output is correct
22 Correct 60 ms 185828 KB Output is correct
23 Correct 60 ms 185940 KB Output is correct
24 Correct 60 ms 185936 KB Output is correct
25 Correct 60 ms 185980 KB Output is correct
26 Correct 62 ms 185940 KB Output is correct
27 Correct 62 ms 185880 KB Output is correct
28 Correct 61 ms 185784 KB Output is correct
29 Correct 62 ms 185832 KB Output is correct
30 Correct 60 ms 185936 KB Output is correct
31 Correct 60 ms 185940 KB Output is correct
32 Correct 60 ms 185792 KB Output is correct
33 Correct 70 ms 185956 KB Output is correct
34 Correct 62 ms 185808 KB Output is correct
35 Correct 60 ms 185988 KB Output is correct
36 Correct 198 ms 186040 KB Output is correct
37 Correct 124 ms 186012 KB Output is correct
38 Correct 84 ms 185884 KB Output is correct
39 Correct 118 ms 186004 KB Output is correct
40 Correct 142 ms 186300 KB Output is correct
41 Correct 79 ms 185844 KB Output is correct
42 Correct 74 ms 185876 KB Output is correct
43 Correct 76 ms 185936 KB Output is correct
44 Correct 64 ms 185940 KB Output is correct
45 Correct 80 ms 185936 KB Output is correct
46 Correct 69 ms 185940 KB Output is correct
47 Correct 77 ms 185800 KB Output is correct
48 Correct 76 ms 185936 KB Output is correct
49 Correct 77 ms 185840 KB Output is correct
50 Correct 66 ms 185916 KB Output is correct
51 Correct 77 ms 185940 KB Output is correct
52 Correct 63 ms 185936 KB Output is correct
53 Correct 74 ms 185944 KB Output is correct
54 Correct 64 ms 185940 KB Output is correct
55 Correct 83 ms 186056 KB Output is correct
56 Correct 65 ms 185936 KB Output is correct
57 Correct 81 ms 185936 KB Output is correct
58 Correct 67 ms 185948 KB Output is correct
59 Correct 253 ms 186192 KB Output is correct
60 Correct 165 ms 186008 KB Output is correct
61 Correct 250 ms 185936 KB Output is correct
62 Correct 170 ms 186192 KB Output is correct
63 Correct 229 ms 186012 KB Output is correct
64 Correct 164 ms 186008 KB Output is correct
65 Correct 210 ms 185944 KB Output is correct
66 Correct 193 ms 185764 KB Output is correct
67 Correct 169 ms 185888 KB Output is correct
68 Correct 170 ms 186012 KB Output is correct
69 Correct 213 ms 186024 KB Output is correct
70 Correct 201 ms 185936 KB Output is correct
71 Correct 208 ms 186016 KB Output is correct
72 Correct 212 ms 186012 KB Output is correct
73 Correct 189 ms 186012 KB Output is correct
74 Correct 166 ms 186192 KB Output is correct
75 Correct 196 ms 185936 KB Output is correct
76 Correct 291 ms 185944 KB Output is correct
77 Correct 237 ms 186192 KB Output is correct
78 Correct 184 ms 185940 KB Output is correct
79 Correct 190 ms 185936 KB Output is correct
80 Correct 239 ms 186016 KB Output is correct
81 Correct 183 ms 186016 KB Output is correct
82 Correct 193 ms 185944 KB Output is correct
83 Correct 227 ms 186012 KB Output is correct
84 Correct 204 ms 185940 KB Output is correct
85 Correct 206 ms 185936 KB Output is correct
86 Correct 217 ms 185864 KB Output is correct
87 Correct 199 ms 186012 KB Output is correct
88 Correct 247 ms 186012 KB Output is correct
89 Correct 243 ms 186016 KB Output is correct
90 Correct 208 ms 185920 KB Output is correct
91 Correct 246 ms 185936 KB Output is correct
92 Correct 229 ms 185936 KB Output is correct
93 Correct 238 ms 186016 KB Output is correct