Submission #717504

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
717504	2023-04-02 03:05:30	josanneo22	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1081 ms	2636 KiB

shoes

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#include "shoes.h"
#include<bits/stdc++.h>
#include <vector>
#include <deque>
#include <iostream>
using namespace std;
long long count_swaps(std::vector<int> s) {
  int n = s.size();
  bool sub4=true;
  for(int i=0;i<n;i++){
    if(s[i]>0) sub4=false;
  }
  for(int i=n;i<2*n;i++){
    if(s[i]<0) sub4=false;
  }
    if(n == 1){
        if(s[0] < 0) return 0;
        else return 1;
    }
    else if(sub4){
        long long swaps = 0;
        for(int i = 0; i < n; i++) swaps += i;
        return swaps;
    }
  else{
    long long count = 0; 
    deque<int> sc(s.size());
    for(int i = 0; i<s.size(); i++)sc[i] = s[i];
    while(!sc.empty())
    {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:28:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for(int i = 0; i<s.size(); i++)sc[i] = s[i];
      |                  ~^~~~~~~~~
shoes.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    for(int i = 0; i<sc.size(); i++)
      |                   ~^~~~~~~~~~

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