Submission #421125

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
421125	2021-06-08 18:24:32	daanolav	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	280 KiB

shoes

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#include "shoes.h"
#include <vector>
#include <bitset>
#include <tuple>
#include <cmath>
using namespace std;
typedef vector<int> vi;
typedef pair<vi,vi> vivi;
int n,num,shoeSize,index;
long long count_swaps(std::vector<int> s) {
    n = s.size() / 2;
  vivi sizes[n + 1];
  for(index = 0; index < 2  * n; ++index) {
        num = s[index];
        //cerr << "shoe num " << index << " is " << num << endl;
        shoeSize = abs(num);
        if(num < 0) {
            sizes[shoeSize].first.push_back(index);
        } else {
            sizes[shoeSize].second.push_back(index);
        }
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:38:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(index = 0; index < shoes.first.size(); ++index) {
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~

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