oj.uz

Submission #681001

# Submission time Handle Problem Language Result Execution time Memory
681001 2023-01-12T08:32:49 Z Tuanlinh123 Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 433 ms 74600 KB 
#include<bits/stdc++.h>
#define ll long long
#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 int INF=1000000005;
int n, L, a[205], t[205], res;
int dp[205][205][205][2];
bool check[205][205][205][2];
 
int dis(int l, int r, int 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];
}

bool test(ll l, ll r)
{
    if (l>r) l-=n;
    if (l<=0 && r>=0)
        return 1;
    if (l<=n-1 && r>=n-1)
        return 1;
    return 0;
}
 
int calc(int l, int r, int k, int di)
{
    if (!test(l, r))
        return INF;
    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];
    int ans=INF;
    if (!di)
    {
        int A=calc((l+1)%n, r, k-1, 0);
        int B=calc((l+1)%n, r, k, 0);
        int C=calc((l+1)%n, r, k-1, 1);
        int D=calc((l+1)%n, r, k, 1);
        int 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
    {
        int A=calc(l, (r-1+n)%n, k-1, 0);
        int B=calc(l, (r-1+n)%n, k, 0);
        int C=calc(l, (r-1+n)%n, k-1, 1);
        int D=calc(l, (r-1+n)%n, k, 1);
        int 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 (int i=0; i<n; i++)
        cin >> a[i];
    for (int i=0; i<n; i++)
        cin >> t[i];
    for (int i=0; i<n; i++)
        for (int j=0; j<n; j++)
            for (int k=0; k<=n; k++)
                for (int 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 (int i=0; i<n; i++)
        for (int j=0; j<n; j++)
            for (int 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 1 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 1 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 0 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 340 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 0 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 1 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 1 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 0 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 340 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 0 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 1 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 1 ms 468 KB Output is correct
29 Correct 1 ms 876 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 1 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 1 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 0 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 340 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 0 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 280 ms 60308 KB Output is correct
19 Correct 126 ms 36848 KB Output is correct
20 Correct 55 ms 19840 KB Output is correct
21 Correct 118 ms 34744 KB Output is correct
22 Correct 194 ms 44960 KB Output is correct
23 Correct 47 ms 16972 KB Output is correct
24 Correct 34 ms 13364 KB Output is correct
25 Correct 39 ms 16560 KB Output is correct
26 Correct 10 ms 6484 KB Output is correct
27 Correct 42 ms 17228 KB Output is correct
28 Correct 26 ms 12384 KB Output is correct
29 Correct 44 ms 17612 KB Output is correct
30 Correct 31 ms 13976 KB Output is correct
31 Correct 47 ms 16612 KB Output is correct
32 Correct 22 ms 8852 KB Output is correct
33 Correct 44 ms 16588 KB Output is correct
34 Correct 9 ms 6100 KB Output is correct
35 Correct 40 ms 16284 KB Output is correct
36 Correct 14 ms 7840 KB Output is correct
37 Correct 45 ms 17236 KB Output is correct
38 Correct 19 ms 9684 KB Output is correct
39 Correct 48 ms 18040 KB Output is correct
40 Correct 22 ms 10744 KB Output is correct
41 Correct 433 ms 74032 KB Output is correct
42 Correct 204 ms 50184 KB Output is correct
43 Correct 370 ms 73968 KB Output is correct
44 Correct 202 ms 49764 KB Output is correct
45 Correct 362 ms 73884 KB Output is correct
46 Correct 214 ms 50212 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 0 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 340 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 0 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 1 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 1 ms 468 KB Output is correct
29 Correct 1 ms 876 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 280 ms 60308 KB Output is correct
37 Correct 126 ms 36848 KB Output is correct
38 Correct 55 ms 19840 KB Output is correct
39 Correct 118 ms 34744 KB Output is correct
40 Correct 194 ms 44960 KB Output is correct
41 Correct 47 ms 16972 KB Output is correct
42 Correct 34 ms 13364 KB Output is correct
43 Correct 39 ms 16560 KB Output is correct
44 Correct 10 ms 6484 KB Output is correct
45 Correct 42 ms 17228 KB Output is correct
46 Correct 26 ms 12384 KB Output is correct
47 Correct 44 ms 17612 KB Output is correct
48 Correct 31 ms 13976 KB Output is correct
49 Correct 47 ms 16612 KB Output is correct
50 Correct 22 ms 8852 KB Output is correct
51 Correct 44 ms 16588 KB Output is correct
52 Correct 9 ms 6100 KB Output is correct
53 Correct 40 ms 16284 KB Output is correct
54 Correct 14 ms 7840 KB Output is correct
55 Correct 45 ms 17236 KB Output is correct
56 Correct 19 ms 9684 KB Output is correct
57 Correct 48 ms 18040 KB Output is correct
58 Correct 22 ms 10744 KB Output is correct
59 Correct 433 ms 74032 KB Output is correct
60 Correct 204 ms 50184 KB Output is correct
61 Correct 370 ms 73968 KB Output is correct
62 Correct 202 ms 49764 KB Output is correct
63 Correct 362 ms 73884 KB Output is correct
64 Correct 214 ms 50212 KB Output is correct
65 Correct 342 ms 67152 KB Output is correct
66 Correct 283 ms 61628 KB Output is correct
67 Correct 287 ms 59028 KB Output is correct
68 Correct 233 ms 54508 KB Output is correct
69 Correct 309 ms 66480 KB Output is correct
70 Correct 332 ms 63660 KB Output is correct
71 Correct 288 ms 64332 KB Output is correct
72 Correct 315 ms 65036 KB Output is correct
73 Correct 286 ms 60364 KB Output is correct
74 Correct 242 ms 56468 KB Output is correct
75 Correct 280 ms 62296 KB Output is correct
76 Correct 349 ms 71364 KB Output is correct
77 Correct 353 ms 71452 KB Output is correct
78 Correct 260 ms 55132 KB Output is correct
79 Correct 245 ms 57012 KB Output is correct
80 Correct 350 ms 69976 KB Output is correct
81 Correct 244 ms 57704 KB Output is correct
82 Correct 271 ms 61040 KB Output is correct
83 Correct 368 ms 73892 KB Output is correct
84 Correct 296 ms 63848 KB Output is correct
85 Correct 317 ms 69196 KB Output is correct
86 Correct 320 ms 67784 KB Output is correct
87 Correct 302 ms 62412 KB Output is correct
88 Correct 374 ms 74572 KB Output is correct
89 Correct 369 ms 74600 KB Output is correct
90 Correct 281 ms 62944 KB Output is correct
91 Correct 366 ms 74572 KB Output is correct
92 Correct 374 ms 74564 KB Output is correct
93 Correct 358 ms 73240 KB Output is correct