Submission #240870

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
240870	2020-06-21 10:26:28	RayaBurong25_1	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	806 ms	147128 KiB

shoes

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#include "shoes.h"
#include <map>
#include <vector>
#include <algorithm>
#include <queue>
#include <cassert>
int abs(int a)
{
  return (a < 0)?-a:a;
}
int ismoved[200005] = {0};
int query(int p)
{
  p++;
  int r = 0;
  for (; p > 0; p -= p&-p)
    r += ismoved[p];
  return r;
}
void update(int p)
{
  p++;
  for (; p < 200005; p += p&-p)
    ismoved[p]++;
}
long long count_swaps(std::vector<int> s) {
  int i, sz, norp;
 
 
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Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:33:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~
shoes.cpp:43:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~

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