Submission #303307

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
303307	2020-09-20 07:43:54	IWANTTOGETGOLDINIOI	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	47 ms	1920 KiB

shoes

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#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long count_swaps(vector <int> s) {
  int n=s.size()/2;
  if(n==1) {
    if(s[0]<s[1]) {
      return 0;
    } 
    return 1;
  }
  long long ans=0,d=0;
  for (int i=0;i<s.size();i++){
    if(s[i]<0){
      ans+=abs(i-d);
      d+=2;
    }
  }
  return ans;
} 
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:15:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  for (int i=0;i<s.size();i++){
      |               ~^~~~~~~~~

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