oj.uz

답안 #871212

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
871212 2023-11-10T09:01:16 Z goodspeed0208 Collecting Stamps 3 (JOI20_ho_t3) C++14
5 / 100
 106 ms 135328 KB 
#include<iostream>
#include<cstring>
#include<vector>
#define int long long
using namespace std;
//讀: 5 想1~3: 8min 實作40min 
int dp[205][205][2][205];
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	memset(dp, -1ll, sizeof(dp));
	//cout << dp[200][200][0][200] << "\n";
	int n, l;
	cin >> n >> l;
	vector<int>x(n+1), t(n+1);
	x[0] = t[0] = 0ll;
	for (int i = 1 ; i <= n ; i++) cin >> x[i];
	for (int i = 1 ; i <= n ; i++) cin >> t[i];
	dp[0][0][0][0] = dp[0][0][1][0] = 0ll;
	n++;
	int ans= 0;
	for (int k = 0 ; k <= 205 ; k++) {//time
		for (int i = 0 ; i < n ; i++) {//left
			for (int j = n-1 ; j >= 0 ; j--) {//right
				for (int p = 0 ; p <= 1 ; p++) {
					if (dp[i][j][p][k] == -1ll) {
						continue;
					}
					if ((i + 1) % n == j) {
						if (dp[i][j][p][k] > ans)ans = dp[i][j][p][k];
						continue;
					}
					int pos = (p == 0 ? x[i] : x[j]), next;
					next = (i+1);
					int cost = k + (x[next] - pos + l) % l;
					dp[next][j][0][cost] = max(dp[next][j][0][cost], dp[i][j][p][k] + (cost <= t[next]));
					
					next = (j==0 ? n-1 : j-1); 
					cost = k + (pos - x[next] + l) % l;
					dp[i][next][1][cost] = max(dp[i][next][1][cost], dp[i][j][p][k] + (cost <= t[next]));
					
				} 
			}
		}			
	}
	cout << ans << "\n";
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 135260 KB Output is correct
2 Correct 16 ms 135092 KB Output is correct
3 Correct 16 ms 135260 KB Output is correct
4 Correct 16 ms 135260 KB Output is correct
5 Correct 16 ms 135212 KB Output is correct
6 Correct 17 ms 135328 KB Output is correct
7 Correct 17 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135260 KB Output is correct
10 Correct 16 ms 135256 KB Output is correct
11 Correct 16 ms 135260 KB Output is correct
12 Correct 17 ms 135248 KB Output is correct
13 Correct 17 ms 135268 KB Output is correct
14 Correct 17 ms 135188 KB Output is correct
15 Correct 16 ms 135268 KB Output is correct
16 Correct 16 ms 135220 KB Output is correct
17 Correct 16 ms 135260 KB Output is correct

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 135260 KB Output is correct
2 Correct 16 ms 135092 KB Output is correct
3 Correct 16 ms 135260 KB Output is correct
4 Correct 16 ms 135260 KB Output is correct
5 Correct 16 ms 135212 KB Output is correct
6 Correct 17 ms 135328 KB Output is correct
7 Correct 17 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135260 KB Output is correct
10 Correct 16 ms 135256 KB Output is correct
11 Correct 16 ms 135260 KB Output is correct
12 Correct 17 ms 135248 KB Output is correct
13 Correct 17 ms 135268 KB Output is correct
14 Correct 17 ms 135188 KB Output is correct
15 Correct 16 ms 135268 KB Output is correct
16 Correct 16 ms 135220 KB Output is correct
17 Correct 16 ms 135260 KB Output is correct
18 Incorrect 17 ms 135260 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 135260 KB Output is correct
2 Correct 16 ms 135092 KB Output is correct
3 Correct 16 ms 135260 KB Output is correct
4 Correct 16 ms 135260 KB Output is correct
5 Correct 16 ms 135212 KB Output is correct
6 Correct 17 ms 135328 KB Output is correct
7 Correct 17 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135260 KB Output is correct
10 Correct 16 ms 135256 KB Output is correct
11 Correct 16 ms 135260 KB Output is correct
12 Correct 17 ms 135248 KB Output is correct
13 Correct 17 ms 135268 KB Output is correct
14 Correct 17 ms 135188 KB Output is correct
15 Correct 16 ms 135268 KB Output is correct
16 Correct 16 ms 135220 KB Output is correct
17 Correct 16 ms 135260 KB Output is correct
18 Correct 106 ms 135308 KB Output is correct
19 Correct 74 ms 135136 KB Output is correct
20 Correct 43 ms 135260 KB Output is correct
21 Correct 63 ms 135260 KB Output is correct
22 Correct 80 ms 135260 KB Output is correct
23 Correct 38 ms 135260 KB Output is correct
24 Correct 32 ms 135260 KB Output is correct
25 Correct 42 ms 135304 KB Output is correct
26 Correct 28 ms 135272 KB Output is correct
27 Correct 39 ms 135260 KB Output is correct
28 Correct 31 ms 135260 KB Output is correct
29 Correct 41 ms 135260 KB Output is correct
30 Correct 33 ms 135260 KB Output is correct
31 Incorrect 38 ms 135260 KB Output isn't correct
32 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 135260 KB Output is correct
2 Correct 16 ms 135092 KB Output is correct
3 Correct 16 ms 135260 KB Output is correct
4 Correct 16 ms 135260 KB Output is correct
5 Correct 16 ms 135212 KB Output is correct
6 Correct 17 ms 135328 KB Output is correct
7 Correct 17 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135260 KB Output is correct
10 Correct 16 ms 135256 KB Output is correct
11 Correct 16 ms 135260 KB Output is correct
12 Correct 17 ms 135248 KB Output is correct
13 Correct 17 ms 135268 KB Output is correct
14 Correct 17 ms 135188 KB Output is correct
15 Correct 16 ms 135268 KB Output is correct
16 Correct 16 ms 135220 KB Output is correct
17 Correct 16 ms 135260 KB Output is correct
18 Incorrect 17 ms 135260 KB Output isn't correct
19 Halted 0 ms 0 KB -