oj.uz

Submission #979609

# Submission time Handle Problem Language Result Execution time Memory
979609 2024-05-11T08:27:36 Z kilkuwu Boxes with souvenirs (IOI15_boxes) C++17
100 / 100
 379 ms 215868 KB 
#include "boxes.h"

#include <bits/stdc++.h>

#ifdef LOCAL
#include "template/debug.hpp"
#else 
#define dbg(...) ;
#define timer(...) ;
#endif

long long delivery(int N, int K, int L, int p[]) {
  int split = std::upper_bound(p, p + N, L / 2) - p;


  std::vector<long long> dp(N);

  for (int i = N - 1; i >= split; i--) {
    if (i + K < N) {
      dp[i] = dp[i + K] + (L - p[i]) * 2;
    } else {
      dp[i] = (L - p[i]) * 2;
    }
  }

  for (int i = 0; i < split; i++) {
    if (i - K >= 0) {
      dp[i] = dp[i - K] + p[i] * 2;
    } else {
      dp[i] = p[i] * 2;
    }
  }



  long long ans = split > 0 ? dp[split - 1] : 0;
  ans += (split < N) ? dp[split] : 0;
  long long round = 1e18;
  for (int i = split; i < N && i - K + 1 < split; i++) {
    long long cand = L; // go the entire thing
    cand += i + 1 < N ? dp[i + 1] : 0;
    cand += i - K >= 0 ? dp[i - K] : 0;
    round = std::min(round, cand);
  }

  return std::min(ans, round);
}

#ifdef LOCAL

int main() {

  int N, K, L, i;
  std::cin >> N >> K >> L;

  int *p = (int*)malloc(sizeof(int) * (unsigned int)N);

  for (i = 0; i < N; i++) {
    std::cin >> p[i];
  }

  std::cout << delivery(N, K, L, p) << "\n";
  return 0;
}
#endif

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:13:49: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   13 |   int split = std::upper_bound(p, p + N, L / 2) - p;
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 424 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 424 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 440 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 424 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 440 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 39 ms 21768 KB Output is correct
34 Correct 11 ms 14164 KB Output is correct
35 Correct 12 ms 14416 KB Output is correct
36 Correct 37 ms 21924 KB Output is correct
37 Correct 38 ms 21944 KB Output is correct
38 Correct 36 ms 21840 KB Output is correct
39 Correct 34 ms 20452 KB Output is correct
40 Correct 18 ms 15708 KB Output is correct
41 Correct 37 ms 21820 KB Output is correct
42 Correct 17 ms 15956 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 424 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 440 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 39 ms 21768 KB Output is correct
34 Correct 11 ms 14164 KB Output is correct
35 Correct 12 ms 14416 KB Output is correct
36 Correct 37 ms 21924 KB Output is correct
37 Correct 38 ms 21944 KB Output is correct
38 Correct 36 ms 21840 KB Output is correct
39 Correct 34 ms 20452 KB Output is correct
40 Correct 18 ms 15708 KB Output is correct
41 Correct 37 ms 21820 KB Output is correct
42 Correct 17 ms 15956 KB Output is correct
43 Correct 376 ms 214500 KB Output is correct
44 Correct 94 ms 137264 KB Output is correct
45 Correct 121 ms 145016 KB Output is correct
46 Correct 379 ms 215676 KB Output is correct
47 Correct 371 ms 215636 KB Output is correct
48 Correct 373 ms 215664 KB Output is correct
49 Correct 327 ms 200328 KB Output is correct
50 Correct 156 ms 154232 KB Output is correct
51 Correct 377 ms 215868 KB Output is correct
52 Correct 163 ms 156856 KB Output is correct