Submission #888560

#	Time	Username	Problem	Language	Result	Execution time	Memory
888560		Lincito_31	Arranging Shoes (IOI19_shoes)	C++14	0 / 100	2 ms	600 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long count_swaps(vector<int> s) {
	long long x;
	while(!s.empty()){
        int i=0;
        if(s[i]<0 && s[i]==-s[i+1]){
            vector<int> ant(s.begin()+3,s.end());
            s=ant;
        }
        while(s[i]>0){
            i++;
        }
        x+=i;
        int abso=-1*s[i];
        vector<int> ant(s.begin(),s.begin()+i);
        vector<int> pos(s.begin()+i+1,s.end());
        ant.insert(ant.end(),pos.begin(),pos.end());
        s=ant;
        i=0;
        while(s[i]!=abso){
            i++;
        }
        x+=i;
        vector<int> ante(s.begin(),s.begin()+i);
        vector<int> post(s.begin()+i+1,s.end());
        ante.insert(ante.end(),post.begin(),post.end());
        s=ante;
	}
	return x;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:31:9: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |  return x;
      |         ^

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