oj.uz

Submission #516181

# Submission time Handle Problem Language Result Execution time Memory
516181 2022-01-20T14:51:37 Z inksamurai Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 153 ms 130636 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _34raRxL ios::sync_with_stdio(0),cin.tie(0)
using namespace std;
void print(){cout<<"\n";}
template<class te,class ...ti>
void print(const te&v,const ti&...nv){cout<<v;if(sizeof...(nv)){cout<<" ";print(nv...);}}
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;
using vll=vector<long long>;
//e

const ll inf=1e18;

ll dp[203][203][203][2];

void chmin(ll &a,ll b){
	a=min(a,b);
}

int main(){
_34raRxL;
	int n,l;
	cin>>n>>l;
	vi a(n),ts(n);
	{
		rep(i,n){
			cin>>a[i];
		}
		a.insert(a.begin(),0);
		a.pb(l);
		rep(i,n){
			cin>>ts[i];
		}	
		ts.insert(ts.begin(),0);
		n+=2;
	}
	rep(i,n)rep(j,n)rep(k,n){
		dp[i][j][k][0]=dp[i][j][k][1]=inf;
	}
	dp[0][n-1][0][0]=dp[0][n-1][0][1]=0;
	rep(i,n){
		drep(j,n){
			rep(k,n-1){
				ll vmi=inf,ad=0;
				if(i+1<j){
					vmi=min(dp[i][j][k][0]+a[i+1]-a[i],dp[i][j][k][1]+l-a[j]+a[i+1]);
					ad=(ts[i+1]>=vmi);
					chmin(dp[i+1][j][k+ad][0],vmi);
				}
				vmi=inf;
				if(j-1>i){
					vmi=min(dp[i][j][k][1]+a[j]-a[j-1],dp[i][j][k][0]+a[i]+l-a[j-1]);
					ad=(ts[j-1]>=vmi);
					chmin(dp[i][j-1][k+ad][1],vmi);
				}
			}
		}	
	}
	int ans=0;
	rep(i,n){
		rep(j,n){
			rep(k,n-1){
				if(dp[i][j][k][0]!=inf or dp[i][j][k][1]!=inf){
					ans=max(ans,k);
				}
			}
		}
	}
	print(ans,"\n");
//	
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 652 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 836 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 836 KB Output is correct
10 Correct 0 ms 324 KB Output is correct
11 Correct 0 ms 304 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 844 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 652 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 836 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 836 KB Output is correct
10 Correct 0 ms 324 KB Output is correct
11 Correct 0 ms 304 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 844 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 716 KB Output is correct
20 Correct 1 ms 836 KB Output is correct
21 Correct 1 ms 1100 KB Output is correct
22 Correct 1 ms 708 KB Output is correct
23 Correct 1 ms 1276 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 1224 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 964 KB Output is correct
33 Correct 1 ms 1228 KB Output is correct
34 Correct 1 ms 1228 KB Output is correct
35 Correct 1 ms 1228 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 652 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 836 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 836 KB Output is correct
10 Correct 0 ms 324 KB Output is correct
11 Correct 0 ms 304 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 844 KB Output is correct
18 Correct 100 ms 105012 KB Output is correct
19 Correct 56 ms 63940 KB Output is correct
20 Correct 27 ms 34364 KB Output is correct
21 Correct 52 ms 60364 KB Output is correct
22 Correct 78 ms 78168 KB Output is correct
23 Correct 27 ms 29280 KB Output is correct
24 Correct 17 ms 22892 KB Output is correct
25 Correct 22 ms 28672 KB Output is correct
26 Correct 7 ms 11084 KB Output is correct
27 Correct 22 ms 29772 KB Output is correct
28 Correct 14 ms 21352 KB Output is correct
29 Correct 22 ms 30392 KB Output is correct
30 Correct 17 ms 24000 KB Output is correct
31 Correct 22 ms 28620 KB Output is correct
32 Correct 10 ms 15172 KB Output is correct
33 Correct 21 ms 28692 KB Output is correct
34 Correct 6 ms 10316 KB Output is correct
35 Correct 23 ms 28084 KB Output is correct
36 Correct 8 ms 13516 KB Output is correct
37 Correct 23 ms 29824 KB Output is correct
38 Correct 15 ms 16444 KB Output is correct
39 Correct 29 ms 31096 KB Output is correct
40 Correct 12 ms 18380 KB Output is correct
41 Correct 126 ms 129408 KB Output is correct
42 Correct 80 ms 87364 KB Output is correct
43 Correct 128 ms 129488 KB Output is correct
44 Correct 78 ms 86372 KB Output is correct
45 Correct 129 ms 129456 KB Output is correct
46 Correct 79 ms 87364 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 652 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 836 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 836 KB Output is correct
10 Correct 0 ms 324 KB Output is correct
11 Correct 0 ms 304 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 588 KB Output is correct
16 Correct 1 ms 844 KB Output is correct
17 Correct 1 ms 844 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 716 KB Output is correct
20 Correct 1 ms 836 KB Output is correct
21 Correct 1 ms 1100 KB Output is correct
22 Correct 1 ms 708 KB Output is correct
23 Correct 1 ms 1276 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 1224 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 964 KB Output is correct
33 Correct 1 ms 1228 KB Output is correct
34 Correct 1 ms 1228 KB Output is correct
35 Correct 1 ms 1228 KB Output is correct
36 Correct 100 ms 105012 KB Output is correct
37 Correct 56 ms 63940 KB Output is correct
38 Correct 27 ms 34364 KB Output is correct
39 Correct 52 ms 60364 KB Output is correct
40 Correct 78 ms 78168 KB Output is correct
41 Correct 27 ms 29280 KB Output is correct
42 Correct 17 ms 22892 KB Output is correct
43 Correct 22 ms 28672 KB Output is correct
44 Correct 7 ms 11084 KB Output is correct
45 Correct 22 ms 29772 KB Output is correct
46 Correct 14 ms 21352 KB Output is correct
47 Correct 22 ms 30392 KB Output is correct
48 Correct 17 ms 24000 KB Output is correct
49 Correct 22 ms 28620 KB Output is correct
50 Correct 10 ms 15172 KB Output is correct
51 Correct 21 ms 28692 KB Output is correct
52 Correct 6 ms 10316 KB Output is correct
53 Correct 23 ms 28084 KB Output is correct
54 Correct 8 ms 13516 KB Output is correct
55 Correct 23 ms 29824 KB Output is correct
56 Correct 15 ms 16444 KB Output is correct
57 Correct 29 ms 31096 KB Output is correct
58 Correct 12 ms 18380 KB Output is correct
59 Correct 126 ms 129408 KB Output is correct
60 Correct 80 ms 87364 KB Output is correct
61 Correct 128 ms 129488 KB Output is correct
62 Correct 78 ms 86372 KB Output is correct
63 Correct 129 ms 129456 KB Output is correct
64 Correct 79 ms 87364 KB Output is correct
65 Correct 113 ms 116964 KB Output is correct
66 Correct 108 ms 107436 KB Output is correct
67 Correct 101 ms 102812 KB Output is correct
68 Correct 99 ms 94972 KB Output is correct
69 Correct 112 ms 115744 KB Output is correct
70 Correct 105 ms 110936 KB Output is correct
71 Correct 105 ms 112156 KB Output is correct
72 Correct 112 ms 113236 KB Output is correct
73 Correct 99 ms 105036 KB Output is correct
74 Correct 91 ms 98232 KB Output is correct
75 Correct 107 ms 108576 KB Output is correct
76 Correct 126 ms 124536 KB Output is correct
77 Correct 125 ms 124516 KB Output is correct
78 Correct 89 ms 96068 KB Output is correct
79 Correct 93 ms 99416 KB Output is correct
80 Correct 119 ms 121896 KB Output is correct
81 Correct 94 ms 100544 KB Output is correct
82 Correct 111 ms 106220 KB Output is correct
83 Correct 129 ms 129488 KB Output is correct
84 Correct 108 ms 110896 KB Output is correct
85 Correct 118 ms 120744 KB Output is correct
86 Correct 112 ms 118088 KB Output is correct
87 Correct 114 ms 108696 KB Output is correct
88 Correct 136 ms 130576 KB Output is correct
89 Correct 129 ms 130636 KB Output is correct
90 Correct 104 ms 109712 KB Output is correct
91 Correct 153 ms 130544 KB Output is correct
92 Correct 147 ms 130628 KB Output is correct
93 Correct 128 ms 128196 KB Output is correct