Submission #240853

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
240853	2020-06-21 10:04:23	RayaBurong25_1	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1089 ms	25296 KiB

shoes

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#include "shoes.h"
#include <map>
#include <vector>
#include <algorithm>
#include <set>
int abs(int a)
{
  return (a < 0)?-a:a;
}
long long count_swaps(std::vector<int> s) {
  int i, sz, norp;
  long long cnt = 0;
  std::map<int, std::vector<int> > pos[2];
  for (i = 0; i < s.size(); i++)
  {
    sz = abs(s[i]);
    norp = (s[i] > 0);
    if (pos[norp].find(sz) == pos[norp].end())
      pos[norp][sz] = std::vector<int>();
    pos[norp][sz].push_back(i);
  }
  int nxt;
  std::vector<int> moved;
  int ismoved[200005] = {0};
  for (i = 0; i < s.size(); i++)
  {
    sz = abs(s[i]);
    norp = (s[i] > 0);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:16:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~
shoes.cpp:27:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~
shoes.cpp:35:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (nxt == pos[!norp][sz].size())
       ~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15