oj.uz

Submission #821672

# Submission time Handle Problem Language Result Execution time Memory
821672 2023-08-11T12:51:58 Z vjudge1 Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 77 ms 130776 KB 
#include<bits/stdc++.h>
//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
#define pii pair<int, int>
#define fi first
#define se second
#define pb push_back
#define int long long
//#define ld long double
using namespace std;
using ll=long long;
const int inf = 1e18;
const int MN =205;
const int mod=1e9+7;
int n,L;
int x[MN],t[MN];
int dp[MN][MN][MN][2];
int dis(int a, int b) {
	return min(abs(x[a]-x[b]), L-abs(x[a]-x[b]));
}
void solve() {
	cin>>n>>L;
	for (int i=1; i<=n; i++) {
		cin>>x[i];
	}
//	cout<<dis(0,n)<<"\n";
	for (int i=1; i<=n; i++) {
		cin>>t[i];
	}
	for (int i=0; i<=n; i++) {
		for (int j=0; j<=n; j++) {
			for (int k=0; k<=n; k++) {
				dp[i][j][k][0]=dp[i][j][k][1]=inf;
			}
		}
	}
	int ans=0;
	dp[0][0][0][0]=dp[0][0][0][1]=0;
	for (int i=0; i<=n; i++) {
		for (int j=0; j+i<=n; j++) {
			for (int k=0; k<=n; k++) {
				if(dp[i][j][k][0]!=inf) {
					ans=max(ans,k);
					int dist=dp[i][j][k][0]+dis(n-i+1,n-i);
					dp[i+1][j][k+(t[n-i]>=dist)][0]=min(dp[i+1][j][k+(t[n-i]>=dist)][0],dist);
					dist=dp[i][j][k][0]+dis(n-i+1,j+1);
					dp[i][j+1][k+(t[j+1]>=dist)][1]=min(dp[i][j+1][k+(t[j+1]>=dist)][1],dist); 
				}
				if(dp[i][j][k][1]!=inf) {
					ans=max(ans,k);
					int dist=dp[i][j][k][1]+dis(j,n-i);
					dp[i+1][j][k+(t[n-i]>=dist)][0]=min(dp[i+1][j][k+(t[n-i]>=dist)][0],dist);
					dist=dp[i][j][k][1]+dis(j,j+1);
					dp[i][j+1][k+(t[j+1]>=dist)][1]=min(dp[i][j+1][k+(t[j+1]>=dist)][1],dist); 
				}
			}
		}
	}
	cout<<ans;
}
signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
//	freopen(".inp", "r", stdin);
//	freopen(".out", "w", stdout);
	int t=1;
//	cin>>t;
	while(t--) {
		solve();
	}
		
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 452 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 580 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 0 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 452 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 580 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 0 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 712 KB Output is correct
20 Correct 1 ms 840 KB Output is correct
21 Correct 1 ms 964 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 980 KB Output is correct
26 Correct 1 ms 980 KB Output is correct
27 Correct 1 ms 552 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1108 KB Output is correct
31 Correct 1 ms 964 KB Output is correct
32 Correct 1 ms 980 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 452 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 580 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 0 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 51 ms 104936 KB Output is correct
19 Correct 31 ms 63656 KB Output is correct
20 Correct 18 ms 33992 KB Output is correct
21 Correct 28 ms 60040 KB Output is correct
22 Correct 39 ms 77888 KB Output is correct
23 Correct 15 ms 28928 KB Output is correct
24 Correct 12 ms 22612 KB Output is correct
25 Correct 14 ms 28364 KB Output is correct
26 Correct 6 ms 10824 KB Output is correct
27 Correct 15 ms 29500 KB Output is correct
28 Correct 9 ms 21076 KB Output is correct
29 Correct 15 ms 30112 KB Output is correct
30 Correct 11 ms 23760 KB Output is correct
31 Correct 14 ms 28356 KB Output is correct
32 Correct 7 ms 14804 KB Output is correct
33 Correct 14 ms 28244 KB Output is correct
34 Correct 4 ms 10068 KB Output is correct
35 Correct 12 ms 27716 KB Output is correct
36 Correct 6 ms 13140 KB Output is correct
37 Correct 13 ms 29572 KB Output is correct
38 Correct 7 ms 16212 KB Output is correct
39 Correct 15 ms 30816 KB Output is correct
40 Correct 8 ms 18004 KB Output is correct
41 Correct 69 ms 129472 KB Output is correct
42 Correct 35 ms 87188 KB Output is correct
43 Correct 68 ms 129380 KB Output is correct
44 Correct 35 ms 86164 KB Output is correct
45 Correct 67 ms 129468 KB Output is correct
46 Correct 36 ms 87160 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 452 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 580 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 0 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 712 KB Output is correct
20 Correct 1 ms 840 KB Output is correct
21 Correct 1 ms 964 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 980 KB Output is correct
26 Correct 1 ms 980 KB Output is correct
27 Correct 1 ms 552 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1108 KB Output is correct
31 Correct 1 ms 964 KB Output is correct
32 Correct 1 ms 980 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct
36 Correct 51 ms 104936 KB Output is correct
37 Correct 31 ms 63656 KB Output is correct
38 Correct 18 ms 33992 KB Output is correct
39 Correct 28 ms 60040 KB Output is correct
40 Correct 39 ms 77888 KB Output is correct
41 Correct 15 ms 28928 KB Output is correct
42 Correct 12 ms 22612 KB Output is correct
43 Correct 14 ms 28364 KB Output is correct
44 Correct 6 ms 10824 KB Output is correct
45 Correct 15 ms 29500 KB Output is correct
46 Correct 9 ms 21076 KB Output is correct
47 Correct 15 ms 30112 KB Output is correct
48 Correct 11 ms 23760 KB Output is correct
49 Correct 14 ms 28356 KB Output is correct
50 Correct 7 ms 14804 KB Output is correct
51 Correct 14 ms 28244 KB Output is correct
52 Correct 4 ms 10068 KB Output is correct
53 Correct 12 ms 27716 KB Output is correct
54 Correct 6 ms 13140 KB Output is correct
55 Correct 13 ms 29572 KB Output is correct
56 Correct 7 ms 16212 KB Output is correct
57 Correct 15 ms 30816 KB Output is correct
58 Correct 8 ms 18004 KB Output is correct
59 Correct 69 ms 129472 KB Output is correct
60 Correct 35 ms 87188 KB Output is correct
61 Correct 68 ms 129380 KB Output is correct
62 Correct 35 ms 86164 KB Output is correct
63 Correct 67 ms 129468 KB Output is correct
64 Correct 36 ms 87160 KB Output is correct
65 Correct 59 ms 116812 KB Output is correct
66 Correct 62 ms 107228 KB Output is correct
67 Correct 52 ms 102544 KB Output is correct
68 Correct 47 ms 94756 KB Output is correct
69 Correct 60 ms 115684 KB Output is correct
70 Correct 57 ms 110856 KB Output is correct
71 Correct 55 ms 112052 KB Output is correct
72 Correct 60 ms 113164 KB Output is correct
73 Correct 51 ms 104868 KB Output is correct
74 Correct 50 ms 98040 KB Output is correct
75 Correct 53 ms 108488 KB Output is correct
76 Correct 67 ms 124364 KB Output is correct
77 Correct 64 ms 124364 KB Output is correct
78 Correct 50 ms 95900 KB Output is correct
79 Correct 51 ms 99244 KB Output is correct
80 Correct 66 ms 121852 KB Output is correct
81 Correct 50 ms 100320 KB Output is correct
82 Correct 51 ms 106060 KB Output is correct
83 Correct 67 ms 129360 KB Output is correct
84 Correct 55 ms 110856 KB Output is correct
85 Correct 59 ms 120568 KB Output is correct
86 Correct 58 ms 118100 KB Output is correct
87 Correct 57 ms 108356 KB Output is correct
88 Correct 73 ms 130748 KB Output is correct
89 Correct 70 ms 130768 KB Output is correct
90 Correct 44 ms 109544 KB Output is correct
91 Correct 72 ms 130776 KB Output is correct
92 Correct 77 ms 130764 KB Output is correct
93 Correct 51 ms 128180 KB Output is correct