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Submission #492239

# Submission time Handle Problem Language Result Execution time Memory
492239 2021-12-06T05:38:07 Z SirCovidThe19th Collecting Stamps 3 (JOI20_ho_t3) C++17
25 / 100
 224 ms 67784 KB 
#include <bits/stdc++.h>
using namespace std; 

#define FOR(i, x, y) for (int i = x; i < y; i++)
#define MIN(a, b) a = min(a, b)

int n, L, ans, A[205], T[205]; int dp[205][205][205][2];

int main(){
    cin >> n >> L; 
    FOR(i, 0, n) cin >> A[i];
    FOR(i, 0, n) cin >> T[i];

    auto dst = [&](int a, int b){ return min(abs(a - b), L - abs(a - b)); };

    memset(dp, 0x3f, sizeof(dp));
    for (int i = 0; i < n; i++){
        bool ok = (dst(0, A[i]) <= T[i]);
        dp[ok][i][i][0] = dp[ok][i][i][1] = dst(0, A[i]);
    }
    FOR(x, 1, n + 1) 
        FOR(sz, 1, n + 1) 
            for (int a = 0, b = sz - 1, flag = 1; a or flag; a = (a + 1) % n, b = (b + 1) % n, flag = 0)
                FOR(pos, 0, 2){
                    int &curT = dp[x][a][b][pos], curP = !pos ? a : b;
                    int nxA = (a - 1 + n) % n, nxB = (b + 1) % n;

                    if (curT > 1e9) continue;
                    if (sz == n){ ans = x; continue; }

                    int newT1 = curT + dst(A[curP], A[nxA]), use1 = x + (newT1 <= T[nxA]);
                    MIN(dp[use1][nxA][b][0], newT1);
        
                    int newT2 = curT + dst(A[curP], A[nxB]), use2 = x + (newT2 <= T[nxB]);
                    MIN(dp[use2][a][nxB][1], newT2);
                }
    cout<<ans<<endl;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 67660 KB Output is correct
2 Correct 25 ms 67604 KB Output is correct
3 Correct 25 ms 67664 KB Output is correct
4 Correct 25 ms 67712 KB Output is correct
5 Correct 26 ms 67656 KB Output is correct
6 Correct 25 ms 67640 KB Output is correct
7 Correct 26 ms 67676 KB Output is correct
8 Correct 26 ms 67640 KB Output is correct
9 Correct 25 ms 67696 KB Output is correct
10 Correct 25 ms 67716 KB Output is correct
11 Correct 24 ms 67704 KB Output is correct
12 Correct 24 ms 67628 KB Output is correct
13 Correct 25 ms 67700 KB Output is correct
14 Correct 25 ms 67688 KB Output is correct
15 Correct 25 ms 67660 KB Output is correct
16 Correct 26 ms 67732 KB Output is correct
17 Correct 24 ms 67608 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 67660 KB Output is correct
2 Correct 25 ms 67604 KB Output is correct
3 Correct 25 ms 67664 KB Output is correct
4 Correct 25 ms 67712 KB Output is correct
5 Correct 26 ms 67656 KB Output is correct
6 Correct 25 ms 67640 KB Output is correct
7 Correct 26 ms 67676 KB Output is correct
8 Correct 26 ms 67640 KB Output is correct
9 Correct 25 ms 67696 KB Output is correct
10 Correct 25 ms 67716 KB Output is correct
11 Correct 24 ms 67704 KB Output is correct
12 Correct 24 ms 67628 KB Output is correct
13 Correct 25 ms 67700 KB Output is correct
14 Correct 25 ms 67688 KB Output is correct
15 Correct 25 ms 67660 KB Output is correct
16 Correct 26 ms 67732 KB Output is correct
17 Correct 24 ms 67608 KB Output is correct
18 Correct 25 ms 67676 KB Output is correct
19 Correct 25 ms 67608 KB Output is correct
20 Correct 25 ms 67696 KB Output is correct
21 Correct 25 ms 67660 KB Output is correct
22 Correct 25 ms 67664 KB Output is correct
23 Correct 29 ms 67664 KB Output is correct
24 Correct 25 ms 67660 KB Output is correct
25 Correct 27 ms 67708 KB Output is correct
26 Correct 26 ms 67660 KB Output is correct
27 Correct 25 ms 67688 KB Output is correct
28 Correct 26 ms 67636 KB Output is correct
29 Correct 29 ms 67652 KB Output is correct
30 Correct 25 ms 67716 KB Output is correct
31 Correct 27 ms 67660 KB Output is correct
32 Correct 25 ms 67660 KB Output is correct
33 Correct 25 ms 67664 KB Output is correct
34 Correct 25 ms 67660 KB Output is correct
35 Correct 25 ms 67660 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 67660 KB Output is correct
2 Correct 25 ms 67604 KB Output is correct
3 Correct 25 ms 67664 KB Output is correct
4 Correct 25 ms 67712 KB Output is correct
5 Correct 26 ms 67656 KB Output is correct
6 Correct 25 ms 67640 KB Output is correct
7 Correct 26 ms 67676 KB Output is correct
8 Correct 26 ms 67640 KB Output is correct
9 Correct 25 ms 67696 KB Output is correct
10 Correct 25 ms 67716 KB Output is correct
11 Correct 24 ms 67704 KB Output is correct
12 Correct 24 ms 67628 KB Output is correct
13 Correct 25 ms 67700 KB Output is correct
14 Correct 25 ms 67688 KB Output is correct
15 Correct 25 ms 67660 KB Output is correct
16 Correct 26 ms 67732 KB Output is correct
17 Correct 24 ms 67608 KB Output is correct
18 Correct 153 ms 67720 KB Output is correct
19 Correct 95 ms 67716 KB Output is correct
20 Correct 49 ms 67712 KB Output is correct
21 Correct 85 ms 67716 KB Output is correct
22 Correct 111 ms 67712 KB Output is correct
23 Correct 47 ms 67652 KB Output is correct
24 Correct 36 ms 67656 KB Output is correct
25 Correct 47 ms 67660 KB Output is correct
26 Correct 29 ms 67728 KB Output is correct
27 Correct 46 ms 67708 KB Output is correct
28 Correct 39 ms 67624 KB Output is correct
29 Correct 53 ms 67736 KB Output is correct
30 Correct 39 ms 67724 KB Output is correct
31 Correct 43 ms 67712 KB Output is correct
32 Correct 31 ms 67632 KB Output is correct
33 Correct 43 ms 67720 KB Output is correct
34 Correct 29 ms 67668 KB Output is correct
35 Correct 38 ms 67680 KB Output is correct
36 Correct 33 ms 67736 KB Output is correct
37 Correct 40 ms 67668 KB Output is correct
38 Correct 34 ms 67724 KB Output is correct
39 Correct 44 ms 67656 KB Output is correct
40 Correct 33 ms 67668 KB Output is correct
41 Correct 221 ms 67596 KB Output is correct
42 Correct 90 ms 67664 KB Output is correct
43 Correct 224 ms 67716 KB Output is correct
44 Correct 89 ms 67696 KB Output is correct
45 Correct 223 ms 67716 KB Output is correct
46 Correct 94 ms 67720 KB Output is correct

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 67660 KB Output is correct
2 Correct 25 ms 67604 KB Output is correct
3 Correct 25 ms 67664 KB Output is correct
4 Correct 25 ms 67712 KB Output is correct
5 Correct 26 ms 67656 KB Output is correct
6 Correct 25 ms 67640 KB Output is correct
7 Correct 26 ms 67676 KB Output is correct
8 Correct 26 ms 67640 KB Output is correct
9 Correct 25 ms 67696 KB Output is correct
10 Correct 25 ms 67716 KB Output is correct
11 Correct 24 ms 67704 KB Output is correct
12 Correct 24 ms 67628 KB Output is correct
13 Correct 25 ms 67700 KB Output is correct
14 Correct 25 ms 67688 KB Output is correct
15 Correct 25 ms 67660 KB Output is correct
16 Correct 26 ms 67732 KB Output is correct
17 Correct 24 ms 67608 KB Output is correct
18 Correct 25 ms 67676 KB Output is correct
19 Correct 25 ms 67608 KB Output is correct
20 Correct 25 ms 67696 KB Output is correct
21 Correct 25 ms 67660 KB Output is correct
22 Correct 25 ms 67664 KB Output is correct
23 Correct 29 ms 67664 KB Output is correct
24 Correct 25 ms 67660 KB Output is correct
25 Correct 27 ms 67708 KB Output is correct
26 Correct 26 ms 67660 KB Output is correct
27 Correct 25 ms 67688 KB Output is correct
28 Correct 26 ms 67636 KB Output is correct
29 Correct 29 ms 67652 KB Output is correct
30 Correct 25 ms 67716 KB Output is correct
31 Correct 27 ms 67660 KB Output is correct
32 Correct 25 ms 67660 KB Output is correct
33 Correct 25 ms 67664 KB Output is correct
34 Correct 25 ms 67660 KB Output is correct
35 Correct 25 ms 67660 KB Output is correct
36 Correct 153 ms 67720 KB Output is correct
37 Correct 95 ms 67716 KB Output is correct
38 Correct 49 ms 67712 KB Output is correct
39 Correct 85 ms 67716 KB Output is correct
40 Correct 111 ms 67712 KB Output is correct
41 Correct 47 ms 67652 KB Output is correct
42 Correct 36 ms 67656 KB Output is correct
43 Correct 47 ms 67660 KB Output is correct
44 Correct 29 ms 67728 KB Output is correct
45 Correct 46 ms 67708 KB Output is correct
46 Correct 39 ms 67624 KB Output is correct
47 Correct 53 ms 67736 KB Output is correct
48 Correct 39 ms 67724 KB Output is correct
49 Correct 43 ms 67712 KB Output is correct
50 Correct 31 ms 67632 KB Output is correct
51 Correct 43 ms 67720 KB Output is correct
52 Correct 29 ms 67668 KB Output is correct
53 Correct 38 ms 67680 KB Output is correct
54 Correct 33 ms 67736 KB Output is correct
55 Correct 40 ms 67668 KB Output is correct
56 Correct 34 ms 67724 KB Output is correct
57 Correct 44 ms 67656 KB Output is correct
58 Correct 33 ms 67668 KB Output is correct
59 Correct 221 ms 67596 KB Output is correct
60 Correct 90 ms 67664 KB Output is correct
61 Correct 224 ms 67716 KB Output is correct
62 Correct 89 ms 67696 KB Output is correct
63 Correct 223 ms 67716 KB Output is correct
64 Correct 94 ms 67720 KB Output is correct
65 Correct 135 ms 67628 KB Output is correct
66 Correct 126 ms 67708 KB Output is correct
67 Correct 116 ms 67716 KB Output is correct
68 Correct 106 ms 67716 KB Output is correct
69 Correct 137 ms 67720 KB Output is correct
70 Correct 134 ms 67784 KB Output is correct
71 Correct 139 ms 67692 KB Output is correct
72 Correct 134 ms 67712 KB Output is correct
73 Correct 139 ms 67712 KB Output is correct
74 Correct 114 ms 67712 KB Output is correct
75 Incorrect 128 ms 67716 KB Output isn't correct
76 Halted 0 ms 0 KB -