oj.uz

Submission #890611

# Submission time Handle Problem Language Result Execution time Memory
890611 2023-12-21T15:43:48 Z LCJLY Collecting Stamps 3 (JOI20_ho_t3) C++14
15 / 100
 32 ms 135520 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl; 
#define show4(x,y) for(auto it:x) cout << it << " "; cout << #y << endl;
typedef pair<int,int>pii;
typedef pair<pii,int>pi2;

int n=0;
int k=0;
int pos[205];
int limit[205];
int memo[205][205][2][205];

int dp(int l, int r, bool flag, int cur){
	if(cur>200) return 0;
	if(l+1>=r) return 0;
	if(memo[l][r][flag][cur]!=-1) return memo[l][r][flag][cur];
	int ans=0;
	
	int dist=cur;
	if(!flag) dist+=(pos[l+1]-pos[l]);
	else dist+=(pos[l+1]+k-pos[r]);
	ans=max(ans,dp(l+1,r,0,dist)+(dist<=limit[l+1]));
	
	int dist2=cur;
	if(flag) dist2+=(pos[r]-pos[r-1]);
	else dist2+=(pos[l]+k-pos[r-1]);
	ans=max(ans,dp(l,r-1,1,dist2)+(dist2<=limit[r-1]));
	return memo[l][r][flag][cur]=ans;
}

void solve(){	
	cin >> n >> k;

	memset(memo,-1,sizeof(memo));
	for(int x=1;x<=n;x++) cin >> pos[x];
	for(int x=1;x<=n;x++) cin >> limit[x];
	pos[n+1]=k;
	
	cout << dp(0,n+1,0,0);
}	

int32_t main(){										
	ios::sync_with_stdio(0);	
	cin.tie(0);
	int t=1;
	//cin >> t;
	while(t--){
		solve();
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 135252 KB Output is correct
2 Correct 16 ms 135256 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 135260 KB Output is correct
6 Correct 17 ms 135504 KB Output is correct
7 Correct 18 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135256 KB Output is correct
10 Correct 16 ms 135084 KB Output is correct
11 Correct 17 ms 135264 KB Output is correct
12 Correct 16 ms 135256 KB Output is correct
13 Correct 16 ms 135260 KB Output is correct
14 Correct 16 ms 135260 KB Output is correct
15 Correct 18 ms 135256 KB Output is correct
16 Correct 16 ms 135260 KB Output is correct
17 Correct 16 ms 135280 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 135252 KB Output is correct
2 Correct 16 ms 135256 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 135260 KB Output is correct
6 Correct 17 ms 135504 KB Output is correct
7 Correct 18 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135256 KB Output is correct
10 Correct 16 ms 135084 KB Output is correct
11 Correct 17 ms 135264 KB Output is correct
12 Correct 16 ms 135256 KB Output is correct
13 Correct 16 ms 135260 KB Output is correct
14 Correct 16 ms 135260 KB Output is correct
15 Correct 18 ms 135256 KB Output is correct
16 Correct 16 ms 135260 KB Output is correct
17 Correct 16 ms 135280 KB Output is correct
18 Incorrect 16 ms 135260 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 135252 KB Output is correct
2 Correct 16 ms 135256 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 135260 KB Output is correct
6 Correct 17 ms 135504 KB Output is correct
7 Correct 18 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135256 KB Output is correct
10 Correct 16 ms 135084 KB Output is correct
11 Correct 17 ms 135264 KB Output is correct
12 Correct 16 ms 135256 KB Output is correct
13 Correct 16 ms 135260 KB Output is correct
14 Correct 16 ms 135260 KB Output is correct
15 Correct 18 ms 135256 KB Output is correct
16 Correct 16 ms 135260 KB Output is correct
17 Correct 16 ms 135280 KB Output is correct
18 Correct 29 ms 135260 KB Output is correct
19 Correct 25 ms 135344 KB Output is correct
20 Correct 22 ms 135332 KB Output is correct
21 Correct 24 ms 135260 KB Output is correct
22 Correct 25 ms 135260 KB Output is correct
23 Correct 26 ms 135344 KB Output is correct
24 Correct 17 ms 135260 KB Output is correct
25 Correct 22 ms 135260 KB Output is correct
26 Correct 17 ms 135260 KB Output is correct
27 Correct 22 ms 135224 KB Output is correct
28 Correct 16 ms 135256 KB Output is correct
29 Correct 22 ms 135260 KB Output is correct
30 Correct 20 ms 135520 KB Output is correct
31 Correct 22 ms 135256 KB Output is correct
32 Correct 17 ms 135456 KB Output is correct
33 Correct 26 ms 135332 KB Output is correct
34 Correct 18 ms 135256 KB Output is correct
35 Correct 21 ms 135260 KB Output is correct
36 Correct 17 ms 135124 KB Output is correct
37 Correct 22 ms 135340 KB Output is correct
38 Correct 18 ms 135260 KB Output is correct
39 Correct 23 ms 135260 KB Output is correct
40 Correct 17 ms 135260 KB Output is correct
41 Correct 30 ms 135260 KB Output is correct
42 Correct 27 ms 135188 KB Output is correct
43 Correct 29 ms 135260 KB Output is correct
44 Correct 26 ms 135256 KB Output is correct
45 Correct 29 ms 135260 KB Output is correct
46 Correct 32 ms 135260 KB Output is correct

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 135252 KB Output is correct
2 Correct 16 ms 135256 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 135260 KB Output is correct
6 Correct 17 ms 135504 KB Output is correct
7 Correct 18 ms 135260 KB Output is correct
8 Correct 16 ms 135260 KB Output is correct
9 Correct 16 ms 135256 KB Output is correct
10 Correct 16 ms 135084 KB Output is correct
11 Correct 17 ms 135264 KB Output is correct
12 Correct 16 ms 135256 KB Output is correct
13 Correct 16 ms 135260 KB Output is correct
14 Correct 16 ms 135260 KB Output is correct
15 Correct 18 ms 135256 KB Output is correct
16 Correct 16 ms 135260 KB Output is correct
17 Correct 16 ms 135280 KB Output is correct
18 Incorrect 16 ms 135260 KB Output isn't correct
19 Halted 0 ms 0 KB -