Submission #751335

#	Time	Username	Problem	Language	Result	Execution time	Memory
751335		kusmetliq	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1084 ms	3916 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
    deque<int>a;for(int i:s)a.push_back(i);
    long long ans=0;
    while(a.size()>0) {
        int ind=-1;
        for(int i=0;i<a.size();i++) {
            if(a[i]<0) {
                ind=i;
                break;
            }
        }
        ans+=ind;
        int v=-a[ind];
        a.erase(a.begin()+ind);
        int c=find(a.begin(),a.end(),v)-a.begin();
        ans+=c;
        a.erase(a.begin()+c);
    }
    return ans;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:9:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |         for(int i=0;i<a.size();i++) {
      |                     ~^~~~~~~~~

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