Submission #889458

#	Time	Username	Problem	Language	Result	Execution time	Memory
889458		Lincito_31	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	26 ms	4056 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long x=0;
long long count_swaps(vector<int> s) {
    vector<int> xd_po;
    vector<int> xd_ne;
    for(int i=0;i<s.size();i++){
        if(s[i]<0){
            if(i%2!=0){
                xd_ne.push_back(i);
            }
        }else{
            if(i%2==0){
                xd_po.push_back(i);
            }
        }
    }
    for(int i=0;i<xd_po.size();i++){
        if(xd_po[i]>xd_ne[i]){
            x+=xd_po[i]-xd_ne[i];
        }else{
            x+=xd_ne[i]-xd_po[i];
        }
    }
	return x;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~
shoes.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i=0;i<xd_po.size();i++){
      |                 ~^~~~~~~~~~~~~

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