oj.uz

Submission #208938

# Submission time Handle Problem Language Result Execution time Memory
208938 2020-03-12T15:42:42 Z eriksuenderhauf Collecting Stamps 3 (JOI20_ho_t3) C++11
100 / 100
 159 ms 135416 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 2e2 + 5;
const ll inf = 0x3f3f3f3f3f3f3f3f;
int X[N], T[N], n, l, ans = 0;
ll dp[N][N][N][2];

ll dist(int i, int j) { return min(abs(X[i]-X[j]), l - abs(X[i]-X[j])); }
void ckmn(ll& x, ll y) { x = min(x, y); }

int main() {
  scanf("%d %d", &n, &l);
  for (int i = 1; i <= n; i++) scanf("%d", X+i);
  for (int i = 1; i <= n; i++) scanf("%d", T+i);
  memset(dp, 0x3f, sizeof dp);
  dp[0][0][0][0] = dp[0][0][0][1] = 0;
  for (int i = 0; i < n; i++) {
    for (int r = 0, l = i; r <= i; r++, l--) {
      ll v;
      for (int k = 0; k <= i; k++) {
        v = dp[l][r][k][0] + dist(n+1-l, n-l);
        ckmn(dp[l+1][r][k + (v <= T[n-l])][0], v);
        v = dp[l][r][k][0] + dist(n+1-l, r+1);
        ckmn(dp[l][r+1][k + (v <= T[r+1])][1], v);
        v = dp[l][r][k][1] + dist(r, n-l);
        ckmn(dp[l+1][r][k + (v <= T[n-l])][0], v);
        v = dp[l][r][k][1] + dist(r, r+1);
        ckmn(dp[l][r+1][k + (v <= T[r+1])][1], v);
      }
    }
  }
  for (int i = 0; i <= n; i++)
    for (int j = 0; j <= n; j++)
      for (int k = 0; k <= n; k++)
        for (int f = 0; f < 2; f++)
          if (dp[i][j][k][f] != inf)
            ans = max(ans, k);
  printf("%d\n", ans);
}

Compilation message

ho_t3.cpp: In function 'int main()':
ho_t3.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &l);
   ~~~~~^~~~~~~~~~~~~~~~~
ho_t3.cpp:14:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for (int i = 1; i <= n; i++) scanf("%d", X+i);
                                ~~~~~^~~~~~~~~~~
ho_t3.cpp:15:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for (int i = 1; i <= n; i++) scanf("%d", T+i);
                                ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 135160 KB Output is correct
2 Correct 78 ms 135160 KB Output is correct
3 Correct 78 ms 135160 KB Output is correct
4 Correct 78 ms 135160 KB Output is correct
5 Correct 78 ms 135160 KB Output is correct
6 Correct 76 ms 135160 KB Output is correct
7 Correct 78 ms 135176 KB Output is correct
8 Correct 76 ms 135160 KB Output is correct
9 Correct 77 ms 135160 KB Output is correct
10 Correct 76 ms 135160 KB Output is correct
11 Correct 79 ms 135160 KB Output is correct
12 Correct 83 ms 135288 KB Output is correct
13 Correct 77 ms 135160 KB Output is correct
14 Correct 77 ms 135160 KB Output is correct
15 Correct 77 ms 135160 KB Output is correct
16 Correct 75 ms 135160 KB Output is correct
17 Correct 83 ms 135288 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 135160 KB Output is correct
2 Correct 78 ms 135160 KB Output is correct
3 Correct 78 ms 135160 KB Output is correct
4 Correct 78 ms 135160 KB Output is correct
5 Correct 78 ms 135160 KB Output is correct
6 Correct 76 ms 135160 KB Output is correct
7 Correct 78 ms 135176 KB Output is correct
8 Correct 76 ms 135160 KB Output is correct
9 Correct 77 ms 135160 KB Output is correct
10 Correct 76 ms 135160 KB Output is correct
11 Correct 79 ms 135160 KB Output is correct
12 Correct 83 ms 135288 KB Output is correct
13 Correct 77 ms 135160 KB Output is correct
14 Correct 77 ms 135160 KB Output is correct
15 Correct 77 ms 135160 KB Output is correct
16 Correct 75 ms 135160 KB Output is correct
17 Correct 83 ms 135288 KB Output is correct
18 Correct 80 ms 135160 KB Output is correct
19 Correct 78 ms 135220 KB Output is correct
20 Correct 77 ms 135164 KB Output is correct
21 Correct 77 ms 135160 KB Output is correct
22 Correct 80 ms 135160 KB Output is correct
23 Correct 78 ms 135160 KB Output is correct
24 Correct 77 ms 135160 KB Output is correct
25 Correct 76 ms 135160 KB Output is correct
26 Correct 76 ms 135160 KB Output is correct
27 Correct 77 ms 135160 KB Output is correct
28 Correct 77 ms 135160 KB Output is correct
29 Correct 76 ms 135160 KB Output is correct
30 Correct 76 ms 135160 KB Output is correct
31 Correct 77 ms 135136 KB Output is correct
32 Correct 76 ms 135160 KB Output is correct
33 Correct 81 ms 135416 KB Output is correct
34 Correct 77 ms 135160 KB Output is correct
35 Correct 76 ms 135156 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 135160 KB Output is correct
2 Correct 78 ms 135160 KB Output is correct
3 Correct 78 ms 135160 KB Output is correct
4 Correct 78 ms 135160 KB Output is correct
5 Correct 78 ms 135160 KB Output is correct
6 Correct 76 ms 135160 KB Output is correct
7 Correct 78 ms 135176 KB Output is correct
8 Correct 76 ms 135160 KB Output is correct
9 Correct 77 ms 135160 KB Output is correct
10 Correct 76 ms 135160 KB Output is correct
11 Correct 79 ms 135160 KB Output is correct
12 Correct 83 ms 135288 KB Output is correct
13 Correct 77 ms 135160 KB Output is correct
14 Correct 77 ms 135160 KB Output is correct
15 Correct 77 ms 135160 KB Output is correct
16 Correct 75 ms 135160 KB Output is correct
17 Correct 83 ms 135288 KB Output is correct
18 Correct 136 ms 135164 KB Output is correct
19 Correct 109 ms 135160 KB Output is correct
20 Correct 88 ms 135160 KB Output is correct
21 Correct 104 ms 135160 KB Output is correct
22 Correct 116 ms 135160 KB Output is correct
23 Correct 87 ms 135164 KB Output is correct
24 Correct 83 ms 135160 KB Output is correct
25 Correct 87 ms 135160 KB Output is correct
26 Correct 78 ms 135160 KB Output is correct
27 Correct 94 ms 135160 KB Output is correct
28 Correct 84 ms 135160 KB Output is correct
29 Correct 89 ms 135160 KB Output is correct
30 Correct 85 ms 135160 KB Output is correct
31 Correct 86 ms 135232 KB Output is correct
32 Correct 81 ms 135160 KB Output is correct
33 Correct 88 ms 135160 KB Output is correct
34 Correct 81 ms 135224 KB Output is correct
35 Correct 86 ms 135160 KB Output is correct
36 Correct 80 ms 135160 KB Output is correct
37 Correct 86 ms 135160 KB Output is correct
38 Correct 81 ms 135160 KB Output is correct
39 Correct 91 ms 135288 KB Output is correct
40 Correct 82 ms 135160 KB Output is correct
41 Correct 153 ms 135160 KB Output is correct
42 Correct 122 ms 135164 KB Output is correct
43 Correct 155 ms 135300 KB Output is correct
44 Correct 122 ms 135160 KB Output is correct
45 Correct 155 ms 135160 KB Output is correct
46 Correct 121 ms 135164 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 135160 KB Output is correct
2 Correct 78 ms 135160 KB Output is correct
3 Correct 78 ms 135160 KB Output is correct
4 Correct 78 ms 135160 KB Output is correct
5 Correct 78 ms 135160 KB Output is correct
6 Correct 76 ms 135160 KB Output is correct
7 Correct 78 ms 135176 KB Output is correct
8 Correct 76 ms 135160 KB Output is correct
9 Correct 77 ms 135160 KB Output is correct
10 Correct 76 ms 135160 KB Output is correct
11 Correct 79 ms 135160 KB Output is correct
12 Correct 83 ms 135288 KB Output is correct
13 Correct 77 ms 135160 KB Output is correct
14 Correct 77 ms 135160 KB Output is correct
15 Correct 77 ms 135160 KB Output is correct
16 Correct 75 ms 135160 KB Output is correct
17 Correct 83 ms 135288 KB Output is correct
18 Correct 80 ms 135160 KB Output is correct
19 Correct 78 ms 135220 KB Output is correct
20 Correct 77 ms 135164 KB Output is correct
21 Correct 77 ms 135160 KB Output is correct
22 Correct 80 ms 135160 KB Output is correct
23 Correct 78 ms 135160 KB Output is correct
24 Correct 77 ms 135160 KB Output is correct
25 Correct 76 ms 135160 KB Output is correct
26 Correct 76 ms 135160 KB Output is correct
27 Correct 77 ms 135160 KB Output is correct
28 Correct 77 ms 135160 KB Output is correct
29 Correct 76 ms 135160 KB Output is correct
30 Correct 76 ms 135160 KB Output is correct
31 Correct 77 ms 135136 KB Output is correct
32 Correct 76 ms 135160 KB Output is correct
33 Correct 81 ms 135416 KB Output is correct
34 Correct 77 ms 135160 KB Output is correct
35 Correct 76 ms 135156 KB Output is correct
36 Correct 136 ms 135164 KB Output is correct
37 Correct 109 ms 135160 KB Output is correct
38 Correct 88 ms 135160 KB Output is correct
39 Correct 104 ms 135160 KB Output is correct
40 Correct 116 ms 135160 KB Output is correct
41 Correct 87 ms 135164 KB Output is correct
42 Correct 83 ms 135160 KB Output is correct
43 Correct 87 ms 135160 KB Output is correct
44 Correct 78 ms 135160 KB Output is correct
45 Correct 94 ms 135160 KB Output is correct
46 Correct 84 ms 135160 KB Output is correct
47 Correct 89 ms 135160 KB Output is correct
48 Correct 85 ms 135160 KB Output is correct
49 Correct 86 ms 135232 KB Output is correct
50 Correct 81 ms 135160 KB Output is correct
51 Correct 88 ms 135160 KB Output is correct
52 Correct 81 ms 135224 KB Output is correct
53 Correct 86 ms 135160 KB Output is correct
54 Correct 80 ms 135160 KB Output is correct
55 Correct 86 ms 135160 KB Output is correct
56 Correct 81 ms 135160 KB Output is correct
57 Correct 91 ms 135288 KB Output is correct
58 Correct 82 ms 135160 KB Output is correct
59 Correct 153 ms 135160 KB Output is correct
60 Correct 122 ms 135164 KB Output is correct
61 Correct 155 ms 135300 KB Output is correct
62 Correct 122 ms 135160 KB Output is correct
63 Correct 155 ms 135160 KB Output is correct
64 Correct 121 ms 135164 KB Output is correct
65 Correct 149 ms 135288 KB Output is correct
66 Correct 139 ms 135160 KB Output is correct
67 Correct 136 ms 135160 KB Output is correct
68 Correct 130 ms 135160 KB Output is correct
69 Correct 148 ms 135340 KB Output is correct
70 Correct 140 ms 135160 KB Output is correct
71 Correct 140 ms 135160 KB Output is correct
72 Correct 141 ms 135160 KB Output is correct
73 Correct 141 ms 135384 KB Output is correct
74 Correct 128 ms 135164 KB Output is correct
75 Correct 138 ms 135232 KB Output is correct
76 Correct 149 ms 135160 KB Output is correct
77 Correct 155 ms 135288 KB Output is correct
78 Correct 117 ms 135160 KB Output is correct
79 Correct 131 ms 135160 KB Output is correct
80 Correct 149 ms 135160 KB Output is correct
81 Correct 140 ms 135288 KB Output is correct
82 Correct 122 ms 135160 KB Output is correct
83 Correct 155 ms 135160 KB Output is correct
84 Correct 137 ms 135164 KB Output is correct
85 Correct 153 ms 135160 KB Output is correct
86 Correct 131 ms 135160 KB Output is correct
87 Correct 138 ms 135160 KB Output is correct
88 Correct 154 ms 135160 KB Output is correct
89 Correct 154 ms 135160 KB Output is correct
90 Correct 125 ms 135160 KB Output is correct
91 Correct 154 ms 135160 KB Output is correct
92 Correct 159 ms 135160 KB Output is correct
93 Correct 152 ms 135160 KB Output is correct