oj.uz

Submission #855917

# Submission time Handle Problem Language Result Execution time Memory
855917 2023-10-02T09:15:09 Z LeVanThuc Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 76 ms 218036 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define p(x,y) pair<ll,ll>(x,y)
#define BIT(i,x) ((x>>i)&1)
#define MASK(x) (1<<x)
#define ld long double
#define __builtin_popcount __builtin_popcountll
#define pll pair<ll,ll>
template<class T1,class T2>
bool maximize(T1 &x,const T2 &y)
{
    if(x<y)
    {
        x=y;
        return 1;
    }
    return 0;
}
template<class T1,class T2>
bool minimize(T1 &x,const T2 &y)
{
    if(x>y)
    {
        x=y;
        return 1;
    }
    return 0;
}
void online()
{
    std::ios_base::sync_with_stdio(0);
    cin.tie(0);
#ifdef thuc
    freopen("input.INP","r",stdin);
    freopen("output.OUT","w",stdout);
#endif
}
const ll N=2e2+10;
ll n,L,pos[N],t[N],f[N][N][N][3];
ll tor(ll x,ll y)
{
    if(y>x) return pos[y]-pos[x];
    else return pos[y]+L-pos[x];
}
ll tol(ll x,ll y)
{
    if(x>y) return pos[x]-pos[y];
    else return pos[x]+L-pos[y];
}
int main()
{
    online();
    cin>>n>>L;
    for(int i=1; i<=n; i++)
    {
        cin>>pos[i];
    }
    for(int i=1; i<=n; i++)
    {
        cin>>t[i];
    }
    memset(f,0x3f,sizeof f);
    pos[n+1]=L;
    f[n+1][0][0][0]=f[n+1][0][0][1]=0;
    ll ans=0;
    for(ll k=0; k<=n; k++)
    {
        for(int l=n+1; l>=1; l--)
        {
            for(int r=0; r<l; r++)
            {
                ll z=min(f[l][r][k][0]+tol(l,l-1),f[l][r][k][1]+tol(r,l-1));
                if(z<=t[l-1]) minimize(f[l-1][r][k+1][0],z);
                else minimize(f[l-1][r][k][0],z);
                z=min(f[l][r][k][1]+tor(r,r+1),f[l][r][k][0]+tor(l,r+1));
                if(z<=t[r+1]) minimize(f[l][r+1][k+1][1],z);
                else minimize(f[l][r+1][k][1],z);
                if(f[l][r][k][0]<=1e15) maximize(ans,k);
                if(f[l][r][k][1]<=1e15) maximize(ans,k);
            }
        }
    }
    cout<<ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 217684 KB Output is correct
2 Correct 30 ms 217684 KB Output is correct
3 Correct 28 ms 217692 KB Output is correct
4 Correct 28 ms 217684 KB Output is correct
5 Correct 29 ms 217684 KB Output is correct
6 Correct 26 ms 217684 KB Output is correct
7 Correct 27 ms 217872 KB Output is correct
8 Correct 27 ms 217940 KB Output is correct
9 Correct 27 ms 217692 KB Output is correct
10 Correct 26 ms 217684 KB Output is correct
11 Correct 29 ms 217684 KB Output is correct
12 Correct 27 ms 217684 KB Output is correct
13 Correct 27 ms 217860 KB Output is correct
14 Correct 27 ms 217692 KB Output is correct
15 Correct 28 ms 217724 KB Output is correct
16 Correct 30 ms 217768 KB Output is correct
17 Correct 26 ms 217692 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 217684 KB Output is correct
2 Correct 30 ms 217684 KB Output is correct
3 Correct 28 ms 217692 KB Output is correct
4 Correct 28 ms 217684 KB Output is correct
5 Correct 29 ms 217684 KB Output is correct
6 Correct 26 ms 217684 KB Output is correct
7 Correct 27 ms 217872 KB Output is correct
8 Correct 27 ms 217940 KB Output is correct
9 Correct 27 ms 217692 KB Output is correct
10 Correct 26 ms 217684 KB Output is correct
11 Correct 29 ms 217684 KB Output is correct
12 Correct 27 ms 217684 KB Output is correct
13 Correct 27 ms 217860 KB Output is correct
14 Correct 27 ms 217692 KB Output is correct
15 Correct 28 ms 217724 KB Output is correct
16 Correct 30 ms 217768 KB Output is correct
17 Correct 26 ms 217692 KB Output is correct
18 Correct 27 ms 217728 KB Output is correct
19 Correct 30 ms 217948 KB Output is correct
20 Correct 28 ms 217692 KB Output is correct
21 Correct 28 ms 217684 KB Output is correct
22 Correct 26 ms 217900 KB Output is correct
23 Correct 28 ms 217692 KB Output is correct
24 Correct 27 ms 217692 KB Output is correct
25 Correct 27 ms 217692 KB Output is correct
26 Correct 27 ms 217684 KB Output is correct
27 Correct 27 ms 217688 KB Output is correct
28 Correct 28 ms 218036 KB Output is correct
29 Correct 27 ms 217688 KB Output is correct
30 Correct 27 ms 217684 KB Output is correct
31 Correct 27 ms 217760 KB Output is correct
32 Correct 27 ms 217680 KB Output is correct
33 Correct 27 ms 217692 KB Output is correct
34 Correct 27 ms 217684 KB Output is correct
35 Correct 28 ms 217680 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 217684 KB Output is correct
2 Correct 30 ms 217684 KB Output is correct
3 Correct 28 ms 217692 KB Output is correct
4 Correct 28 ms 217684 KB Output is correct
5 Correct 29 ms 217684 KB Output is correct
6 Correct 26 ms 217684 KB Output is correct
7 Correct 27 ms 217872 KB Output is correct
8 Correct 27 ms 217940 KB Output is correct
9 Correct 27 ms 217692 KB Output is correct
10 Correct 26 ms 217684 KB Output is correct
11 Correct 29 ms 217684 KB Output is correct
12 Correct 27 ms 217684 KB Output is correct
13 Correct 27 ms 217860 KB Output is correct
14 Correct 27 ms 217692 KB Output is correct
15 Correct 28 ms 217724 KB Output is correct
16 Correct 30 ms 217768 KB Output is correct
17 Correct 26 ms 217692 KB Output is correct
18 Correct 57 ms 217680 KB Output is correct
19 Correct 42 ms 217920 KB Output is correct
20 Correct 34 ms 217692 KB Output is correct
21 Correct 41 ms 217796 KB Output is correct
22 Correct 48 ms 217916 KB Output is correct
23 Correct 34 ms 217852 KB Output is correct
24 Correct 31 ms 217680 KB Output is correct
25 Correct 32 ms 217692 KB Output is correct
26 Correct 29 ms 217872 KB Output is correct
27 Correct 33 ms 217692 KB Output is correct
28 Correct 30 ms 217836 KB Output is correct
29 Correct 36 ms 217940 KB Output is correct
30 Correct 31 ms 217680 KB Output is correct
31 Correct 33 ms 217852 KB Output is correct
32 Correct 30 ms 217680 KB Output is correct
33 Correct 33 ms 217684 KB Output is correct
34 Correct 29 ms 217764 KB Output is correct
35 Correct 33 ms 217692 KB Output is correct
36 Correct 29 ms 217680 KB Output is correct
37 Correct 34 ms 217720 KB Output is correct
38 Correct 30 ms 217692 KB Output is correct
39 Correct 34 ms 217692 KB Output is correct
40 Correct 30 ms 217684 KB Output is correct
41 Correct 70 ms 217692 KB Output is correct
42 Correct 52 ms 217920 KB Output is correct
43 Correct 72 ms 217744 KB Output is correct
44 Correct 52 ms 217680 KB Output is correct
45 Correct 71 ms 217800 KB Output is correct
46 Correct 50 ms 217916 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 217684 KB Output is correct
2 Correct 30 ms 217684 KB Output is correct
3 Correct 28 ms 217692 KB Output is correct
4 Correct 28 ms 217684 KB Output is correct
5 Correct 29 ms 217684 KB Output is correct
6 Correct 26 ms 217684 KB Output is correct
7 Correct 27 ms 217872 KB Output is correct
8 Correct 27 ms 217940 KB Output is correct
9 Correct 27 ms 217692 KB Output is correct
10 Correct 26 ms 217684 KB Output is correct
11 Correct 29 ms 217684 KB Output is correct
12 Correct 27 ms 217684 KB Output is correct
13 Correct 27 ms 217860 KB Output is correct
14 Correct 27 ms 217692 KB Output is correct
15 Correct 28 ms 217724 KB Output is correct
16 Correct 30 ms 217768 KB Output is correct
17 Correct 26 ms 217692 KB Output is correct
18 Correct 27 ms 217728 KB Output is correct
19 Correct 30 ms 217948 KB Output is correct
20 Correct 28 ms 217692 KB Output is correct
21 Correct 28 ms 217684 KB Output is correct
22 Correct 26 ms 217900 KB Output is correct
23 Correct 28 ms 217692 KB Output is correct
24 Correct 27 ms 217692 KB Output is correct
25 Correct 27 ms 217692 KB Output is correct
26 Correct 27 ms 217684 KB Output is correct
27 Correct 27 ms 217688 KB Output is correct
28 Correct 28 ms 218036 KB Output is correct
29 Correct 27 ms 217688 KB Output is correct
30 Correct 27 ms 217684 KB Output is correct
31 Correct 27 ms 217760 KB Output is correct
32 Correct 27 ms 217680 KB Output is correct
33 Correct 27 ms 217692 KB Output is correct
34 Correct 27 ms 217684 KB Output is correct
35 Correct 28 ms 217680 KB Output is correct
36 Correct 57 ms 217680 KB Output is correct
37 Correct 42 ms 217920 KB Output is correct
38 Correct 34 ms 217692 KB Output is correct
39 Correct 41 ms 217796 KB Output is correct
40 Correct 48 ms 217916 KB Output is correct
41 Correct 34 ms 217852 KB Output is correct
42 Correct 31 ms 217680 KB Output is correct
43 Correct 32 ms 217692 KB Output is correct
44 Correct 29 ms 217872 KB Output is correct
45 Correct 33 ms 217692 KB Output is correct
46 Correct 30 ms 217836 KB Output is correct
47 Correct 36 ms 217940 KB Output is correct
48 Correct 31 ms 217680 KB Output is correct
49 Correct 33 ms 217852 KB Output is correct
50 Correct 30 ms 217680 KB Output is correct
51 Correct 33 ms 217684 KB Output is correct
52 Correct 29 ms 217764 KB Output is correct
53 Correct 33 ms 217692 KB Output is correct
54 Correct 29 ms 217680 KB Output is correct
55 Correct 34 ms 217720 KB Output is correct
56 Correct 30 ms 217692 KB Output is correct
57 Correct 34 ms 217692 KB Output is correct
58 Correct 30 ms 217684 KB Output is correct
59 Correct 70 ms 217692 KB Output is correct
60 Correct 52 ms 217920 KB Output is correct
61 Correct 72 ms 217744 KB Output is correct
62 Correct 52 ms 217680 KB Output is correct
63 Correct 71 ms 217800 KB Output is correct
64 Correct 50 ms 217916 KB Output is correct
65 Correct 67 ms 217752 KB Output is correct
66 Correct 59 ms 217684 KB Output is correct
67 Correct 59 ms 217688 KB Output is correct
68 Correct 55 ms 217684 KB Output is correct
69 Correct 67 ms 217924 KB Output is correct
70 Correct 61 ms 217684 KB Output is correct
71 Correct 65 ms 217908 KB Output is correct
72 Correct 63 ms 217684 KB Output is correct
73 Correct 57 ms 217684 KB Output is correct
74 Correct 56 ms 217680 KB Output is correct
75 Correct 60 ms 217684 KB Output is correct
76 Correct 69 ms 217692 KB Output is correct
77 Correct 68 ms 217680 KB Output is correct
78 Correct 55 ms 217920 KB Output is correct
79 Correct 58 ms 217684 KB Output is correct
80 Correct 69 ms 217688 KB Output is correct
81 Correct 62 ms 217692 KB Output is correct
82 Correct 59 ms 217684 KB Output is correct
83 Correct 71 ms 217920 KB Output is correct
84 Correct 65 ms 217680 KB Output is correct
85 Correct 65 ms 217680 KB Output is correct
86 Correct 65 ms 217680 KB Output is correct
87 Correct 59 ms 217680 KB Output is correct
88 Correct 73 ms 217680 KB Output is correct
89 Correct 76 ms 217732 KB Output is correct
90 Correct 59 ms 217692 KB Output is correct
91 Correct 73 ms 217840 KB Output is correct
92 Correct 71 ms 217684 KB Output is correct
93 Correct 66 ms 217692 KB Output is correct