Submission #285745

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
285745	2020-08-29 14:24:19	williamMBDK	Arranging Shoes (IOI19_shoes)	C++14	65 / 100	296 ms	29036 KiB

shoes

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#include<bits/stdc++.h>
#define int long long
#include "shoes.h"
using namespace std;
int N;
struct BIT{
  int N;
  vector<int> arr;
  BIT(int N){
    this->N = N;
    arr = vector<int> (N);
  }
  int q(int idx){
    int s = 0;
    while(idx > 0){
      s += arr[idx];
      idx -= (idx & (-idx));
    }
    return s;
  }
  void u(int idx, int val){
    while(idx < N){
      arr[idx] += val;
      idx += (idx & (-idx));
    }
  }
  
};
int count_swaps_perm(vector<signed>& s, vector<int>& indices, vector<int>& perm) {
  BIT bit (N + 1);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15