Submission #421132

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
421132	2021-06-08 18:41:01	daanolav	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	204 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,bool> vib;
int n,num,shoeSize,index,first,second;
long long count_swaps(std::vector<int> s) {
    n = s.size() / 2;
  vib sizes[n + 1];
  long long swapsNeeded = 0;
  for(index = 0; index < 2 * n; ++index) {
        num = s[index];
        //cerr << "shoe num " << index << " is " << num << endl;
        shoeSize = abs(num);
        if(sizes[shoeSize].first.size() == 0) {
            sizes[shoeSize].first.push_back(index);
            sizes[shoeSize].second = num > 0;
        } else if((num > 0) == sizes[shoeSize].second) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15