Submission #520994

#	Time	Username	Problem	Language	Result	Execution time	Memory
520994		szekelymilan	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

#include <iostream>
#include <algorithm>
#include "boxes.h"

long long delivery(int N, int K, int L, int p[]) {
  if (K == 1) {
    int ans = 0;
    for (int i = 0; i < N; i++)
      ans += 2 * std::min(p[i], L - p[i]);
    return ans;
  }

  std::vector<int> v(N);
  for (int i = 0; i < N; i++) v[i] = p[i];

  std::sort(v.begin(), v.end());
  int ans = std::min(v[N - 1], (v[N - 1] == 0 ? 0 : L - *std::upper_bound(v.begin(), v.end(), 0)));
  for (int i = 0; i < N - 1; i++)
    ans = std::min(ans, (v[i] == v[N - 1] ? v[i] : 2 * v[i] + 2 * L - *std::upper_bound(v.begin(), v.end(), v[i])));

  return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:13:8: error: 'vector' is not a member of 'std'
   13 |   std::vector<int> v(N);
      |        ^~~~~~
boxes.cpp:4:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    3 | #include "boxes.h"
  +++ |+#include <vector>
    4 | 
boxes.cpp:13:15: error: expected primary-expression before 'int'
   13 |   std::vector<int> v(N);
      |               ^~~
boxes.cpp:14:31: error: 'v' was not declared in this scope
   14 |   for (int i = 0; i < N; i++) v[i] = p[i];
      |                               ^
boxes.cpp:16:13: error: 'v' was not declared in this scope
   16 |   std::sort(v.begin(), v.end());
      |             ^