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Submission #230969

# Submission time Handle Problem Language Result Execution time Memory
230969 2020-05-12T08:18:29 Z AlexLuchianov Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 398 ms 518524 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cassert>

using namespace std;

using ll = long long;
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))

int const nmax = 200;
ll const inf = 2000000000;

ll v[5 + 2 * nmax], t[5 + 2 * nmax];
ll dp[5 + 2 * nmax][5 + 2 * nmax][5 + nmax][2];

int n;

ll extract(int x, int y, int val, int h){
  if(val < 0)
    return inf;
  else
    return dp[x][y][val][h];
}

ll dist(int x, int y){
  return fabs(v[x] - v[y]);
}

void update(ll &number, ll val){
  number = min(number, val);
}

int main()
{
  int l;
  cin >> n >> l;
  for(int i = 1;i <= n; i++)
    cin >> v[i];
  for(int i = 1;i <= n; i++)
    cin >> t[i];
  for(int i = 1;i <= n; i++) {
    v[n + i] = v[i] + l;
    t[n + i] = t[i];
  }

  for(int i = 0;i <= nmax * 2; i++)
    for(int j = 0; j <= nmax * 2; j++)
      for(int h = 0; h <= nmax; h++)
        dp[i][j][h][0] = dp[i][j][h][1] = inf;

  dp[n][n][(abs(l - v[n]) <= t[n])][0] = fabs(l - v[n]);
  dp[n + 1][n + 1][(abs(l - v[n + 1]) <= t[n + 1])][0] = fabs(l - v[n + 1]);

  int result = 0;

  for(int dif = 0; dif < n; dif++)
    for(int i = 1;i <= 2 * n; i++){
      int j = i + dif;
      if(j <= 2 * n){
        for(int k = 0; k <= dif + 1; k++){

          ll time = dp[i][j][k][0] + dist(i - 1, i);
          update(dp[i - 1][j][k + (time <= t[i - 1])][0], time);

          time = dp[i][j][k][1] + dist(i - 1, j);
          update(dp[i - 1][j][k + (time <= t[i - 1])][0], time);

          time = dp[i][j][k][0] + dist(j + 1, i);
          update(dp[i][j + 1][k + (time <= t[j + 1])][1], time);

          time = dp[i][j][k][1] + dist(j + 1, j);
          update(dp[i][j + 1][k + (time <= t[j + 1])][1], time);

          if(dp[i][j][k][0] <= inf - 5 || dp[i][j][k][1] <= inf - 5)
            result = max(result, k);

        }
      }
    }
  cout << result;
  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 518008 KB Output is correct
2 Correct 254 ms 518008 KB Output is correct
3 Correct 256 ms 517956 KB Output is correct
4 Correct 257 ms 518008 KB Output is correct
5 Correct 254 ms 518136 KB Output is correct
6 Correct 257 ms 518008 KB Output is correct
7 Correct 261 ms 518008 KB Output is correct
8 Correct 257 ms 517984 KB Output is correct
9 Correct 260 ms 518152 KB Output is correct
10 Correct 265 ms 518008 KB Output is correct
11 Correct 260 ms 518044 KB Output is correct
12 Correct 255 ms 518136 KB Output is correct
13 Correct 269 ms 518008 KB Output is correct
14 Correct 249 ms 518136 KB Output is correct
15 Correct 253 ms 518008 KB Output is correct
16 Correct 255 ms 518008 KB Output is correct
17 Correct 256 ms 518008 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 518008 KB Output is correct
2 Correct 254 ms 518008 KB Output is correct
3 Correct 256 ms 517956 KB Output is correct
4 Correct 257 ms 518008 KB Output is correct
5 Correct 254 ms 518136 KB Output is correct
6 Correct 257 ms 518008 KB Output is correct
7 Correct 261 ms 518008 KB Output is correct
8 Correct 257 ms 517984 KB Output is correct
9 Correct 260 ms 518152 KB Output is correct
10 Correct 265 ms 518008 KB Output is correct
11 Correct 260 ms 518044 KB Output is correct
12 Correct 255 ms 518136 KB Output is correct
13 Correct 269 ms 518008 KB Output is correct
14 Correct 249 ms 518136 KB Output is correct
15 Correct 253 ms 518008 KB Output is correct
16 Correct 255 ms 518008 KB Output is correct
17 Correct 256 ms 518008 KB Output is correct
18 Correct 258 ms 517904 KB Output is correct
19 Correct 257 ms 517948 KB Output is correct
20 Correct 259 ms 518012 KB Output is correct
21 Correct 266 ms 518008 KB Output is correct
22 Correct 262 ms 518008 KB Output is correct
23 Correct 249 ms 518008 KB Output is correct
24 Correct 263 ms 517948 KB Output is correct
25 Correct 258 ms 518136 KB Output is correct
26 Correct 251 ms 518008 KB Output is correct
27 Correct 253 ms 518008 KB Output is correct
28 Correct 257 ms 517900 KB Output is correct
29 Correct 260 ms 518008 KB Output is correct
30 Correct 264 ms 518008 KB Output is correct
31 Correct 260 ms 518008 KB Output is correct
32 Correct 261 ms 518008 KB Output is correct
33 Correct 250 ms 518008 KB Output is correct
34 Correct 256 ms 518008 KB Output is correct
35 Correct 252 ms 518008 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 518008 KB Output is correct
2 Correct 254 ms 518008 KB Output is correct
3 Correct 256 ms 517956 KB Output is correct
4 Correct 257 ms 518008 KB Output is correct
5 Correct 254 ms 518136 KB Output is correct
6 Correct 257 ms 518008 KB Output is correct
7 Correct 261 ms 518008 KB Output is correct
8 Correct 257 ms 517984 KB Output is correct
9 Correct 260 ms 518152 KB Output is correct
10 Correct 265 ms 518008 KB Output is correct
11 Correct 260 ms 518044 KB Output is correct
12 Correct 255 ms 518136 KB Output is correct
13 Correct 269 ms 518008 KB Output is correct
14 Correct 249 ms 518136 KB Output is correct
15 Correct 253 ms 518008 KB Output is correct
16 Correct 255 ms 518008 KB Output is correct
17 Correct 256 ms 518008 KB Output is correct
18 Correct 355 ms 518136 KB Output is correct
19 Correct 311 ms 518136 KB Output is correct
20 Correct 277 ms 518008 KB Output is correct
21 Correct 303 ms 518008 KB Output is correct
22 Correct 338 ms 518100 KB Output is correct
23 Correct 278 ms 518056 KB Output is correct
24 Correct 272 ms 518136 KB Output is correct
25 Correct 278 ms 518008 KB Output is correct
26 Correct 272 ms 518008 KB Output is correct
27 Correct 274 ms 517904 KB Output is correct
28 Correct 272 ms 518008 KB Output is correct
29 Correct 279 ms 517988 KB Output is correct
30 Correct 266 ms 518008 KB Output is correct
31 Correct 267 ms 518008 KB Output is correct
32 Correct 264 ms 518008 KB Output is correct
33 Correct 265 ms 518012 KB Output is correct
34 Correct 257 ms 518008 KB Output is correct
35 Correct 263 ms 518008 KB Output is correct
36 Correct 262 ms 518036 KB Output is correct
37 Correct 274 ms 518008 KB Output is correct
38 Correct 259 ms 518008 KB Output is correct
39 Correct 271 ms 518008 KB Output is correct
40 Correct 259 ms 518112 KB Output is correct
41 Correct 390 ms 518136 KB Output is correct
42 Correct 346 ms 518072 KB Output is correct
43 Correct 388 ms 518136 KB Output is correct
44 Correct 326 ms 517952 KB Output is correct
45 Correct 387 ms 518008 KB Output is correct
46 Correct 332 ms 518008 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 518008 KB Output is correct
2 Correct 254 ms 518008 KB Output is correct
3 Correct 256 ms 517956 KB Output is correct
4 Correct 257 ms 518008 KB Output is correct
5 Correct 254 ms 518136 KB Output is correct
6 Correct 257 ms 518008 KB Output is correct
7 Correct 261 ms 518008 KB Output is correct
8 Correct 257 ms 517984 KB Output is correct
9 Correct 260 ms 518152 KB Output is correct
10 Correct 265 ms 518008 KB Output is correct
11 Correct 260 ms 518044 KB Output is correct
12 Correct 255 ms 518136 KB Output is correct
13 Correct 269 ms 518008 KB Output is correct
14 Correct 249 ms 518136 KB Output is correct
15 Correct 253 ms 518008 KB Output is correct
16 Correct 255 ms 518008 KB Output is correct
17 Correct 256 ms 518008 KB Output is correct
18 Correct 258 ms 517904 KB Output is correct
19 Correct 257 ms 517948 KB Output is correct
20 Correct 259 ms 518012 KB Output is correct
21 Correct 266 ms 518008 KB Output is correct
22 Correct 262 ms 518008 KB Output is correct
23 Correct 249 ms 518008 KB Output is correct
24 Correct 263 ms 517948 KB Output is correct
25 Correct 258 ms 518136 KB Output is correct
26 Correct 251 ms 518008 KB Output is correct
27 Correct 253 ms 518008 KB Output is correct
28 Correct 257 ms 517900 KB Output is correct
29 Correct 260 ms 518008 KB Output is correct
30 Correct 264 ms 518008 KB Output is correct
31 Correct 260 ms 518008 KB Output is correct
32 Correct 261 ms 518008 KB Output is correct
33 Correct 250 ms 518008 KB Output is correct
34 Correct 256 ms 518008 KB Output is correct
35 Correct 252 ms 518008 KB Output is correct
36 Correct 355 ms 518136 KB Output is correct
37 Correct 311 ms 518136 KB Output is correct
38 Correct 277 ms 518008 KB Output is correct
39 Correct 303 ms 518008 KB Output is correct
40 Correct 338 ms 518100 KB Output is correct
41 Correct 278 ms 518056 KB Output is correct
42 Correct 272 ms 518136 KB Output is correct
43 Correct 278 ms 518008 KB Output is correct
44 Correct 272 ms 518008 KB Output is correct
45 Correct 274 ms 517904 KB Output is correct
46 Correct 272 ms 518008 KB Output is correct
47 Correct 279 ms 517988 KB Output is correct
48 Correct 266 ms 518008 KB Output is correct
49 Correct 267 ms 518008 KB Output is correct
50 Correct 264 ms 518008 KB Output is correct
51 Correct 265 ms 518012 KB Output is correct
52 Correct 257 ms 518008 KB Output is correct
53 Correct 263 ms 518008 KB Output is correct
54 Correct 262 ms 518036 KB Output is correct
55 Correct 274 ms 518008 KB Output is correct
56 Correct 259 ms 518008 KB Output is correct
57 Correct 271 ms 518008 KB Output is correct
58 Correct 259 ms 518112 KB Output is correct
59 Correct 390 ms 518136 KB Output is correct
60 Correct 346 ms 518072 KB Output is correct
61 Correct 388 ms 518136 KB Output is correct
62 Correct 326 ms 517952 KB Output is correct
63 Correct 387 ms 518008 KB Output is correct
64 Correct 332 ms 518008 KB Output is correct
65 Correct 374 ms 518008 KB Output is correct
66 Correct 363 ms 518008 KB Output is correct
67 Correct 347 ms 518008 KB Output is correct
68 Correct 338 ms 518136 KB Output is correct
69 Correct 371 ms 518008 KB Output is correct
70 Correct 364 ms 518072 KB Output is correct
71 Correct 358 ms 518136 KB Output is correct
72 Correct 363 ms 518040 KB Output is correct
73 Correct 356 ms 518020 KB Output is correct
74 Correct 363 ms 518008 KB Output is correct
75 Correct 358 ms 518132 KB Output is correct
76 Correct 386 ms 518008 KB Output is correct
77 Correct 378 ms 518008 KB Output is correct
78 Correct 342 ms 518008 KB Output is correct
79 Correct 348 ms 518008 KB Output is correct
80 Correct 377 ms 518008 KB Output is correct
81 Correct 347 ms 518200 KB Output is correct
82 Correct 354 ms 518008 KB Output is correct
83 Correct 394 ms 518008 KB Output is correct
84 Correct 357 ms 518008 KB Output is correct
85 Correct 379 ms 518136 KB Output is correct
86 Correct 372 ms 518008 KB Output is correct
87 Correct 363 ms 518136 KB Output is correct
88 Correct 389 ms 518264 KB Output is correct
89 Correct 398 ms 518524 KB Output is correct
90 Correct 362 ms 518008 KB Output is correct
91 Correct 392 ms 518460 KB Output is correct
92 Correct 389 ms 518268 KB Output is correct
93 Correct 392 ms 518008 KB Output is correct