oj.uz

Submission #680991

# Submission time Handle Problem Language Result Execution time Memory
680991 2023-01-12T08:12:28 Z Tuanlinh123 Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 671 ms 81812 KB 
#include<bits/stdc++.h>
#define ll int
#define ld long double
#define pll pair<ll,ll>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
 
using namespace std;
 
#define LOCALIO "C:/Users/admin/Documents/Code/"
 
const ll INF=1000000005;
ll n, L, a[205], t[205], res;
ll dp[205][205][205][2];
bool check[205][205][205][2];
 
ll dis(ll l, ll r, ll di)
{
    if (!di)
    {
        if (r<l)
            return a[r]-a[l]+L;
        return a[r]-a[l];
    }
    if (r>l)
        return a[l]-a[r]+L;
    return a[l]-a[r];
}
 
ll calc(ll l, ll r, ll k, ll di)
{
    if (k<0) return INF;
    if (check[l][r][k][di])
        return dp[l][r][k][di];
    if (l==r) 
        return dp[l][r][k][di];
    ll ans=INF;
    if (!di)
    {
        ll A=calc((l+1)%n, r, k-1, 0);
        ll B=calc((l+1)%n, r, k, 0);
        ll C=calc((l+1)%n, r, k-1, 1);
        ll D=calc((l+1)%n, r, k, 1);
        ll dis1=dis((l+1)%n, l, 1), dis2=dis(r, l, 1);
        if (t[l]>=A+dis1)
            ans=min(ans, A+dis1);
        ans=min(ans, B+dis1);
        if (t[l]>=C+dis2)
            ans=min(ans, C+dis2);
        ans=min(ans, D+dis2);
    }
    else
    {
        ll A=calc(l, (r-1+n)%n, k-1, 0);
        ll B=calc(l, (r-1+n)%n, k, 0);
        ll C=calc(l, (r-1+n)%n, k-1, 1);
        ll D=calc(l, (r-1+n)%n, k, 1);
        ll dis1=dis((r-1+n)%n, r, 0), dis2=dis(l, r, 0);
        if (t[r]>=A+dis2)
            ans=min(ans, A+dis2);
        ans=min(ans, B+dis2);
        if (t[r]>=C+dis1)
            ans=min(ans, C+dis1);
        ans=min(ans, D+dis1);
    }
    dp[l][r][k][di]=ans;
    check[l][r][k][di]=1;
    if (l==(r+1)%n && ans!=INF)
        res=max(res, k);
    return ans;
}
 
int main()
{
    #ifdef LOCAL
        freopen( LOCALIO "input.txt","r",stdin) ;
        freopen( LOCALIO "output.txt","w",stdout) ;
    #endif
 
    ios_base::sync_with_stdio(NULL); cin.tie(nullptr); cout.tie(nullptr);
//	freopen("FIBONACCI.inp","r",stdin);
//	freopen("FIBONACCI.out","w",stdout);
    cin >> n >> L;
    for (ll i=0; i<n; i++)
        cin >> a[i];
    for (ll i=0; i<n; i++)
        cin >> t[i];
    for (ll i=0; i<n; i++)
        for (ll j=0; j<n; j++)
            for (ll k=0; k<=n; k++)
                for (ll di=0; di<2; di++)
                    dp[i][j][k][di]=INF;
    if (t[0]>=a[0] || t[n-1]>=L-a[n-1])
        res=1;
    dp[0][0][t[0]>=a[0]][0]=a[0];
    dp[0][0][0][0]=a[0];
    dp[n-1][n-1][t[n-1]>=L-a[n-1]][0]=L-a[n-1];
    dp[n-1][n-1][0][0]=L-a[n-1];
    for (ll i=0; i<n; i++)
        for (ll j=0; j<n; j++)
            for (ll k=0; k<=n; k++)
                calc(i, j, k, 0), calc(i, j, k, 1);
    cout << res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 724 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 1 ms 724 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 724 KB Output is correct
25 Correct 1 ms 724 KB Output is correct
26 Correct 1 ms 724 KB Output is correct
27 Correct 0 ms 468 KB Output is correct
28 Correct 0 ms 468 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 1 ms 724 KB Output is correct
32 Correct 1 ms 724 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 852 KB Output is correct
35 Correct 1 ms 852 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 462 ms 65976 KB Output is correct
19 Correct 236 ms 40168 KB Output is correct
20 Correct 83 ms 21452 KB Output is correct
21 Correct 197 ms 37896 KB Output is correct
22 Correct 288 ms 49012 KB Output is correct
23 Correct 67 ms 18256 KB Output is correct
24 Correct 47 ms 14308 KB Output is correct
25 Correct 65 ms 17868 KB Output is correct
26 Correct 18 ms 6920 KB Output is correct
27 Correct 68 ms 18596 KB Output is correct
28 Correct 41 ms 13284 KB Output is correct
29 Correct 71 ms 19012 KB Output is correct
30 Correct 51 ms 15120 KB Output is correct
31 Correct 67 ms 17892 KB Output is correct
32 Correct 25 ms 9428 KB Output is correct
33 Correct 66 ms 17868 KB Output is correct
34 Correct 16 ms 6484 KB Output is correct
35 Correct 63 ms 17564 KB Output is correct
36 Correct 21 ms 8380 KB Output is correct
37 Correct 69 ms 18640 KB Output is correct
38 Correct 31 ms 10312 KB Output is correct
39 Correct 76 ms 19432 KB Output is correct
40 Correct 33 ms 11480 KB Output is correct
41 Correct 608 ms 81148 KB Output is correct
42 Correct 342 ms 54896 KB Output is correct
43 Correct 619 ms 81056 KB Output is correct
44 Correct 336 ms 54136 KB Output is correct
45 Correct 618 ms 81096 KB Output is correct
46 Correct 337 ms 54804 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 724 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 1 ms 724 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 724 KB Output is correct
25 Correct 1 ms 724 KB Output is correct
26 Correct 1 ms 724 KB Output is correct
27 Correct 0 ms 468 KB Output is correct
28 Correct 0 ms 468 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 1 ms 724 KB Output is correct
32 Correct 1 ms 724 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 852 KB Output is correct
35 Correct 1 ms 852 KB Output is correct
36 Correct 462 ms 65976 KB Output is correct
37 Correct 236 ms 40168 KB Output is correct
38 Correct 83 ms 21452 KB Output is correct
39 Correct 197 ms 37896 KB Output is correct
40 Correct 288 ms 49012 KB Output is correct
41 Correct 67 ms 18256 KB Output is correct
42 Correct 47 ms 14308 KB Output is correct
43 Correct 65 ms 17868 KB Output is correct
44 Correct 18 ms 6920 KB Output is correct
45 Correct 68 ms 18596 KB Output is correct
46 Correct 41 ms 13284 KB Output is correct
47 Correct 71 ms 19012 KB Output is correct
48 Correct 51 ms 15120 KB Output is correct
49 Correct 67 ms 17892 KB Output is correct
50 Correct 25 ms 9428 KB Output is correct
51 Correct 66 ms 17868 KB Output is correct
52 Correct 16 ms 6484 KB Output is correct
53 Correct 63 ms 17564 KB Output is correct
54 Correct 21 ms 8380 KB Output is correct
55 Correct 69 ms 18640 KB Output is correct
56 Correct 31 ms 10312 KB Output is correct
57 Correct 76 ms 19432 KB Output is correct
58 Correct 33 ms 11480 KB Output is correct
59 Correct 608 ms 81148 KB Output is correct
60 Correct 342 ms 54896 KB Output is correct
61 Correct 619 ms 81056 KB Output is correct
62 Correct 336 ms 54136 KB Output is correct
63 Correct 618 ms 81096 KB Output is correct
64 Correct 337 ms 54804 KB Output is correct
65 Correct 539 ms 73328 KB Output is correct
66 Correct 465 ms 67360 KB Output is correct
67 Correct 435 ms 64508 KB Output is correct
68 Correct 389 ms 59640 KB Output is correct
69 Correct 515 ms 72676 KB Output is correct
70 Correct 490 ms 69776 KB Output is correct
71 Correct 498 ms 70308 KB Output is correct
72 Correct 507 ms 71252 KB Output is correct
73 Correct 447 ms 65868 KB Output is correct
74 Correct 398 ms 61584 KB Output is correct
75 Correct 470 ms 68260 KB Output is correct
76 Correct 573 ms 78072 KB Output is correct
77 Correct 586 ms 78048 KB Output is correct
78 Correct 389 ms 60344 KB Output is correct
79 Correct 403 ms 62412 KB Output is correct
80 Correct 561 ms 76512 KB Output is correct
81 Correct 419 ms 63020 KB Output is correct
82 Correct 457 ms 66712 KB Output is correct
83 Correct 605 ms 80916 KB Output is correct
84 Correct 480 ms 69692 KB Output is correct
85 Correct 570 ms 75808 KB Output is correct
86 Correct 539 ms 74264 KB Output is correct
87 Correct 479 ms 68124 KB Output is correct
88 Correct 648 ms 81740 KB Output is correct
89 Correct 634 ms 81652 KB Output is correct
90 Correct 482 ms 68844 KB Output is correct
91 Correct 635 ms 81812 KB Output is correct
92 Correct 671 ms 81736 KB Output is correct
93 Correct 597 ms 80400 KB Output is correct