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Submission #390641

# Submission time Handle Problem Language Result Execution time Memory
390641 2021-04-16T12:49:43 Z keta_tsimakuridze Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 116 ms 132116 KB 
#include<bits/stdc++.h>
#define f first
#define int long long
#define s second
using namespace std;
const int N=205,Inf=1e10;
int t,dp[N][N][N][2],n,l,ans;
pair<int,int>p[N];
string s;
int add(int x ,int y){
	if(x<y) swap(x,y);
	return min(x-y,l-x+y);
}
 main(){
	// t=1;
	cin >> n >> l;
	for(int i=1;i<=n;i++){
		cin>>p[i].f;
	}
	for(int i=1;i<=n;i++){
		cin>>p[i].s;
	}
	sort(p+1,p+n+1);
	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]=Inf;
				
				}
		}
	}	
	dp[n+1][0][0][0]=dp[n+1][0][0][1]=0;
	p[n+1].f=l;
	for(int i=1;i<=n;i++){
			for(int k=0;k<=n;k++){
			
					dp[n+1][i][k][1] = dp[n+1][i-1][k][1] + add(p[i].f,p[i-1].f);
				if(k && dp[n+1][i-1][k-1][1] + add(p[i].f,p[i-1].f)<= p[i].s) {
					dp[n+1][i][k][1]=min(dp[n+1][i][k][1],dp[n+1][i-1][k-1][1] + add(p[i].f,p[i-1].f));
					ans = max(ans,k);
				  
				}
			}
	}

	// 1 1 
	for(int i=n;i>=0;i--){
		for(int j=0;j<i;j++){
			for(int k=0;k<=n;k++){
				if(i==0 && j==0) continue;
			
				dp[i][j][k][0] = min(dp[i+1][j][k][0] + add(p[i+1].f,p[i].f), dp[i+1][j][k][1] + add(p[j].f,p[i].f) );
				if(j)	dp[i][j][k][1] = min(dp[i][j-1][k][1] + add(p[j-1].f,p[j].f), dp[i][j-1][k][0] + add(p[j].f,p[i].f)); 
				if(k) {
					if(j && dp[i][j-1][k-1][0]+add(p[j].f,p[i].f)<=p[j].s){
						dp[i][j][k][1]=min(dp[i][j][k][1], dp[i][j-1][k-1][0]+add(p[j].f,p[i].f));
					}
					if(j && dp[i][j-1][k-1][1]+add(p[j].f,p[j-1].f)<=p[j].s){
						dp[i][j][k][1]=min(dp[i][j][k][1],dp[i][j-1][k-1][1]+add(p[j].f,p[j-1].f));
					}
					if(dp[i+1][j][k-1][0]+add(p[i+1].f,p[i].f)<=p[i].s){
						dp[i][j][k][0]=min(dp[i][j][k][0],dp[i+1][j][k-1][0]+add(p[i+1].f,p[i].f));
					}
					if(dp[i+1][j][k-1][1]+add(p[i].f,p[j].f)<=p[i].s){
						dp[i][j][k][0]=min(dp[i][j][k][0],dp[i+1][j][k-1][1]+add(p[j].f,p[i].f));
					}
					
				}
		if(dp[i][j][k][0]<Inf || dp[i][j][k][1]<Inf) ans=max(ans,k);//cout<<i<<" "<<j<<" "<<k<<" "<<dp[i][j][k][0]<<endl; 
			}
		}
	}
	cout<<ans;
	
}

Compilation message

ho_t3.cpp:14:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 |  main(){
      |       ^

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 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 972 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 844 KB Output is correct
13 Correct 1 ms 972 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 944 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 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 972 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 844 KB Output is correct
13 Correct 1 ms 972 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 944 KB Output is correct
18 Correct 1 ms 1104 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 1100 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 1196 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 1100 KB Output is correct
26 Correct 1 ms 1100 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 716 KB Output is correct
29 Correct 1 ms 1232 KB Output is correct
30 Correct 1 ms 1228 KB Output is correct
31 Correct 1 ms 1100 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 1200 KB Output is correct
34 Correct 1 ms 1196 KB Output is correct
35 Correct 1 ms 1200 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 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 972 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 844 KB Output is correct
13 Correct 1 ms 972 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 944 KB Output is correct
18 Correct 69 ms 106000 KB Output is correct
19 Correct 47 ms 64568 KB Output is correct
20 Correct 21 ms 34636 KB Output is correct
21 Correct 37 ms 60968 KB Output is correct
22 Correct 52 ms 78924 KB Output is correct
23 Correct 19 ms 29516 KB Output is correct
24 Correct 15 ms 23116 KB Output is correct
25 Correct 19 ms 28864 KB Output is correct
26 Correct 7 ms 11212 KB Output is correct
27 Correct 20 ms 30160 KB Output is correct
28 Correct 13 ms 21580 KB Output is correct
29 Correct 19 ms 30700 KB Output is correct
30 Correct 15 ms 24228 KB Output is correct
31 Correct 18 ms 28844 KB Output is correct
32 Correct 10 ms 15336 KB Output is correct
33 Correct 18 ms 28868 KB Output is correct
34 Correct 6 ms 10412 KB Output is correct
35 Correct 17 ms 28236 KB Output is correct
36 Correct 10 ms 13512 KB Output is correct
37 Correct 19 ms 30156 KB Output is correct
38 Correct 11 ms 16588 KB Output is correct
39 Correct 20 ms 31396 KB Output is correct
40 Correct 11 ms 18508 KB Output is correct
41 Correct 90 ms 130656 KB Output is correct
42 Correct 56 ms 88268 KB Output is correct
43 Correct 90 ms 130696 KB Output is correct
44 Correct 59 ms 87096 KB Output is correct
45 Correct 90 ms 130660 KB Output is correct
46 Correct 56 ms 88132 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 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 972 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 844 KB Output is correct
13 Correct 1 ms 972 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 944 KB Output is correct
18 Correct 1 ms 1104 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 1100 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 1196 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 1100 KB Output is correct
26 Correct 1 ms 1100 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 716 KB Output is correct
29 Correct 1 ms 1232 KB Output is correct
30 Correct 1 ms 1228 KB Output is correct
31 Correct 1 ms 1100 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 1200 KB Output is correct
34 Correct 1 ms 1196 KB Output is correct
35 Correct 1 ms 1200 KB Output is correct
36 Correct 69 ms 106000 KB Output is correct
37 Correct 47 ms 64568 KB Output is correct
38 Correct 21 ms 34636 KB Output is correct
39 Correct 37 ms 60968 KB Output is correct
40 Correct 52 ms 78924 KB Output is correct
41 Correct 19 ms 29516 KB Output is correct
42 Correct 15 ms 23116 KB Output is correct
43 Correct 19 ms 28864 KB Output is correct
44 Correct 7 ms 11212 KB Output is correct
45 Correct 20 ms 30160 KB Output is correct
46 Correct 13 ms 21580 KB Output is correct
47 Correct 19 ms 30700 KB Output is correct
48 Correct 15 ms 24228 KB Output is correct
49 Correct 18 ms 28844 KB Output is correct
50 Correct 10 ms 15336 KB Output is correct
51 Correct 18 ms 28868 KB Output is correct
52 Correct 6 ms 10412 KB Output is correct
53 Correct 17 ms 28236 KB Output is correct
54 Correct 10 ms 13512 KB Output is correct
55 Correct 19 ms 30156 KB Output is correct
56 Correct 11 ms 16588 KB Output is correct
57 Correct 20 ms 31396 KB Output is correct
58 Correct 11 ms 18508 KB Output is correct
59 Correct 90 ms 130656 KB Output is correct
60 Correct 56 ms 88268 KB Output is correct
61 Correct 90 ms 130696 KB Output is correct
62 Correct 59 ms 87096 KB Output is correct
63 Correct 90 ms 130660 KB Output is correct
64 Correct 56 ms 88132 KB Output is correct
65 Correct 79 ms 118064 KB Output is correct
66 Correct 72 ms 108376 KB Output is correct
67 Correct 67 ms 103748 KB Output is correct
68 Correct 63 ms 95792 KB Output is correct
69 Correct 83 ms 116856 KB Output is correct
70 Correct 79 ms 112012 KB Output is correct
71 Correct 76 ms 113224 KB Output is correct
72 Correct 81 ms 114432 KB Output is correct
73 Correct 74 ms 106172 KB Output is correct
74 Correct 70 ms 99172 KB Output is correct
75 Correct 77 ms 109572 KB Output is correct
76 Correct 88 ms 125612 KB Output is correct
77 Correct 83 ms 125492 KB Output is correct
78 Correct 67 ms 96916 KB Output is correct
79 Correct 68 ms 100292 KB Output is correct
80 Correct 89 ms 122980 KB Output is correct
81 Correct 66 ms 101488 KB Output is correct
82 Correct 70 ms 107276 KB Output is correct
83 Correct 89 ms 130648 KB Output is correct
84 Correct 74 ms 112068 KB Output is correct
85 Correct 83 ms 121796 KB Output is correct
86 Correct 84 ms 119228 KB Output is correct
87 Correct 72 ms 109636 KB Output is correct
88 Correct 116 ms 132024 KB Output is correct
89 Correct 98 ms 132032 KB Output is correct
90 Correct 73 ms 110784 KB Output is correct
91 Correct 93 ms 132116 KB Output is correct
92 Correct 92 ms 132008 KB Output is correct
93 Correct 104 ms 129332 KB Output is correct