Submission #789847

#	Time	Username	Problem	Language	Result	Execution time	Memory
789847		ezzzay	Arranging Shoes (IOI19_shoes)	C++14	30 / 100	19 ms	1876 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
    set<int>st;
    for(int i=0;i<s.size();i++){
        st.insert(abs(s[i]));
    }
    long long k=0;
    if(st.size()==1){
	    int g=0;
	    for(int i=0;i<s.size();i++){
	        if(s[i]<0){
	           k+=abs(g-i);
	           g+=2;
	        }
	     }
    }
    return k;
	
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:6:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~
shoes.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |      for(int i=0;i<s.size();i++){
      |                  ~^~~~~~~~~

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