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Submission #389624

# Submission time Handle Problem Language Result Execution time Memory
389624 2021-04-14T10:09:15 Z mariowong Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 188 ms 328644 KB 
#include <bits/stdc++.h>

using namespace std;

struct stamps{
	long long d,t;
}a[205];

long long dp[205][205][205][5],n,l,ans;
int main(){
	ios::sync_with_stdio(false);
	cin >> n >> l;
	for (int i=1;i<=n;i++){
		cin >> a[i].d;
	}
	for (int i=1;i<=n;i++){
		cin >> a[i].t;
	}
	for (int i=0;i<=n+1;i++){
		for (int j=0;j<=n+1;j++){
			for (int k=0;k<=n;k++){
				dp[i][j][k][0]=dp[i][j][k][1]=1e18;
			}
		}
	}
	a[n+1].d=l; 
	dp[0][n+1][0][0]=dp[0][n+1][0][1]=0;
	for (int i=0;i<=n;i++){
		for (int j=n+1;j>i;j--){
			for (int k=0;k<=max(0LL,n-j+1)+i;k++){
				if (i != 0){
					if (k > 0 && dp[i-1][j][k-1][0]+a[i].d-a[i-1].d <= a[i].t)
					dp[i][j][k][0]=min(dp[i][j][k][0],dp[i-1][j][k-1][0]+a[i].d-a[i-1].d);
					dp[i][j][k][0]=min(dp[i][j][k][0],dp[i-1][j][k][0]+a[i].d-a[i-1].d);
					
					if (k > 0 && j != n+1 && dp[i-1][j][k-1][1]+l-a[j].d+a[i].d <= a[i].t)
					dp[i][j][k][0]=min(dp[i][j][k][0],dp[i-1][j][k-1][1]+l-a[j].d+a[i].d);
					if (j != n+1)
					dp[i][j][k][0]=min(dp[i][j][k][0],dp[i-1][j][k][1]+l-a[j].d+a[i].d);
				}
				if (j != n+1){
					if (k > 0 && dp[i][j+1][k-1][1]+a[j+1].d-a[j].d <= a[j].t)
					dp[i][j][k][1]=min(dp[i][j][k][1],dp[i][j+1][k-1][1]+a[j+1].d-a[j].d);
					dp[i][j][k][1]=min(dp[i][j][k][1],dp[i][j+1][k][1]+a[j+1].d-a[j].d);
				//	cout << i << " " << j << " " << k << " " << dp[i][j+1][k-1][1] << " " << a[j+1].d<< " " << a[j].d << " " << l-a[j+1].d+a[j].d << "\n";
					if (k > 0 && i != 0 && dp[i][j+1][k-1][0]+l-a[j].d+a[i].d <= a[j].t)
					dp[i][j][k][1]=min(dp[i][j][k][1],dp[i][j+1][k-1][0]+l-a[j].d+a[i].d);
					if (i != 0)
					dp[i][j][k][1]=min(dp[i][j][k][1],dp[i][j+1][k][0]+l-a[j].d+a[i].d);
				}
			}
		}
	}
	for (int i=0;i<=n;i++){
		for (int j=n+1;j>i;j--){
			if (i+1 == j){
				for (long long k=1;k<=n;k++){
					if (dp[i][j][k][0] != 1e18 || dp[i][j][k][1] != 1e18)
					ans=max(ans,k);
				}
			}
		}
	}
	cout << ans << '\n'; 
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 720 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 1 ms 1088 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 720 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 1 ms 1088 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 844 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 2 ms 1356 KB Output is correct
22 Correct 1 ms 896 KB Output is correct
23 Correct 1 ms 1484 KB Output is correct
24 Correct 1 ms 1228 KB Output is correct
25 Correct 1 ms 1356 KB Output is correct
26 Correct 1 ms 1356 KB Output is correct
27 Correct 1 ms 716 KB Output is correct
28 Correct 1 ms 840 KB Output is correct
29 Correct 2 ms 1488 KB Output is correct
30 Correct 1 ms 1480 KB Output is correct
31 Correct 1 ms 1356 KB Output is correct
32 Correct 1 ms 1228 KB Output is correct
33 Correct 1 ms 1484 KB Output is correct
34 Correct 2 ms 1484 KB Output is correct
35 Correct 1 ms 1484 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 720 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 1 ms 1088 KB Output is correct
18 Correct 140 ms 263680 KB Output is correct
19 Correct 85 ms 160164 KB Output is correct
20 Correct 44 ms 84896 KB Output is correct
21 Correct 75 ms 151120 KB Output is correct
22 Correct 97 ms 195944 KB Output is correct
23 Correct 34 ms 69932 KB Output is correct
24 Correct 26 ms 51620 KB Output is correct
25 Correct 33 ms 68176 KB Output is correct
26 Correct 11 ms 21328 KB Output is correct
27 Correct 37 ms 71712 KB Output is correct
28 Correct 25 ms 47676 KB Output is correct
29 Correct 42 ms 73476 KB Output is correct
30 Correct 26 ms 54512 KB Output is correct
31 Correct 38 ms 68132 KB Output is correct
32 Correct 15 ms 30284 KB Output is correct
33 Correct 34 ms 68204 KB Output is correct
34 Correct 10 ms 19532 KB Output is correct
35 Correct 31 ms 66380 KB Output is correct
36 Correct 13 ms 26812 KB Output is correct
37 Correct 36 ms 71736 KB Output is correct
38 Correct 17 ms 34108 KB Output is correct
39 Correct 35 ms 75372 KB Output is correct
40 Correct 20 ms 39268 KB Output is correct
41 Correct 166 ms 325180 KB Output is correct
42 Correct 112 ms 219060 KB Output is correct
43 Correct 173 ms 325148 KB Output is correct
44 Correct 125 ms 216432 KB Output is correct
45 Correct 170 ms 325140 KB Output is correct
46 Correct 111 ms 219052 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 716 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 1104 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 720 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 1 ms 1088 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 844 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 2 ms 1356 KB Output is correct
22 Correct 1 ms 896 KB Output is correct
23 Correct 1 ms 1484 KB Output is correct
24 Correct 1 ms 1228 KB Output is correct
25 Correct 1 ms 1356 KB Output is correct
26 Correct 1 ms 1356 KB Output is correct
27 Correct 1 ms 716 KB Output is correct
28 Correct 1 ms 840 KB Output is correct
29 Correct 2 ms 1488 KB Output is correct
30 Correct 1 ms 1480 KB Output is correct
31 Correct 1 ms 1356 KB Output is correct
32 Correct 1 ms 1228 KB Output is correct
33 Correct 1 ms 1484 KB Output is correct
34 Correct 2 ms 1484 KB Output is correct
35 Correct 1 ms 1484 KB Output is correct
36 Correct 140 ms 263680 KB Output is correct
37 Correct 85 ms 160164 KB Output is correct
38 Correct 44 ms 84896 KB Output is correct
39 Correct 75 ms 151120 KB Output is correct
40 Correct 97 ms 195944 KB Output is correct
41 Correct 34 ms 69932 KB Output is correct
42 Correct 26 ms 51620 KB Output is correct
43 Correct 33 ms 68176 KB Output is correct
44 Correct 11 ms 21328 KB Output is correct
45 Correct 37 ms 71712 KB Output is correct
46 Correct 25 ms 47676 KB Output is correct
47 Correct 42 ms 73476 KB Output is correct
48 Correct 26 ms 54512 KB Output is correct
49 Correct 38 ms 68132 KB Output is correct
50 Correct 15 ms 30284 KB Output is correct
51 Correct 34 ms 68204 KB Output is correct
52 Correct 10 ms 19532 KB Output is correct
53 Correct 31 ms 66380 KB Output is correct
54 Correct 13 ms 26812 KB Output is correct
55 Correct 36 ms 71736 KB Output is correct
56 Correct 17 ms 34108 KB Output is correct
57 Correct 35 ms 75372 KB Output is correct
58 Correct 20 ms 39268 KB Output is correct
59 Correct 166 ms 325180 KB Output is correct
60 Correct 112 ms 219060 KB Output is correct
61 Correct 173 ms 325148 KB Output is correct
62 Correct 125 ms 216432 KB Output is correct
63 Correct 170 ms 325140 KB Output is correct
64 Correct 111 ms 219052 KB Output is correct
65 Correct 152 ms 293664 KB Output is correct
66 Correct 136 ms 269512 KB Output is correct
67 Correct 133 ms 257808 KB Output is correct
68 Correct 124 ms 238216 KB Output is correct
69 Correct 152 ms 290548 KB Output is correct
70 Correct 144 ms 278440 KB Output is correct
71 Correct 146 ms 281528 KB Output is correct
72 Correct 153 ms 284484 KB Output is correct
73 Correct 131 ms 263620 KB Output is correct
74 Correct 123 ms 246468 KB Output is correct
75 Correct 136 ms 272408 KB Output is correct
76 Correct 166 ms 312360 KB Output is correct
77 Correct 155 ms 312308 KB Output is correct
78 Correct 120 ms 240888 KB Output is correct
79 Correct 123 ms 249380 KB Output is correct
80 Correct 161 ms 305988 KB Output is correct
81 Correct 127 ms 252188 KB Output is correct
82 Correct 138 ms 266608 KB Output is correct
83 Correct 164 ms 325144 KB Output is correct
84 Correct 140 ms 278596 KB Output is correct
85 Correct 155 ms 302952 KB Output is correct
86 Correct 167 ms 296668 KB Output is correct
87 Correct 149 ms 272476 KB Output is correct
88 Correct 170 ms 328388 KB Output is correct
89 Correct 167 ms 328424 KB Output is correct
90 Correct 139 ms 275628 KB Output is correct
91 Correct 188 ms 328644 KB Output is correct
92 Correct 173 ms 328396 KB Output is correct
93 Correct 160 ms 321860 KB Output is correct