Submission #240864

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
240864	2020-06-21 10:20:59	RayaBurong25_1	Arranging Shoes (IOI19_shoes)	C++17	85 / 100	1099 ms	147428 KiB

shoes

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "shoes.h"
#include <map>
#include <vector>
#include <algorithm>
#include <queue>
#include <cassert>
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::queue<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::queue<int>();
    pos[norp][sz].push(i);
  }
  int nxt;
  std::vector<int> moved;
  int ismoved[200005] = {0};
  for (i = 0; i < s.size(); i++)
  {
    sz = abs(s[i]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:17:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~
shoes.cpp:28:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~
shoes.cpp:25:6: warning: unused variable 'nxt' [-Wunused-variable]
  int nxt;
      ^~~

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