Submission #896990

#	Time	Username	Problem	Language	Result	Execution time	Memory
896990		ozner77	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1067 ms	3164 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#include <vector>
#include <iostream>
#include <string>
using namespace std;
long long count_swaps(std::vector<int> s) {
	int a,b,c,d,e=s.size(),xd,jsjs=0;
	bool fua=false,fuo=true;
	long long swaps=0;

    for(int i=0;i<e;i+=2){
        a=s[i];
        b=s[i];
        for(int j=i;j<e;j++){
            if(s[j]<0){
                for(int k=j;k<e;k++){
                    if(s[k]+s[j]==0){
                        fua=true;
                        xd=k-j;
                    }
                }
                if(fua){
                if(xd>j-i){
                swaps+=(j-i);
                s[i]=s[j];
                s[j]=a;
                }
            }else{
                swaps++;
            }
            }
        }
    }
	return swaps;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:8: warning: variable 'b' set but not used [-Wunused-but-set-variable]
    8 |  int a,b,c,d,e=s.size(),xd,jsjs=0;
      |        ^
shoes.cpp:8:10: warning: unused variable 'c' [-Wunused-variable]
    8 |  int a,b,c,d,e=s.size(),xd,jsjs=0;
      |          ^
shoes.cpp:8:12: warning: unused variable 'd' [-Wunused-variable]
    8 |  int a,b,c,d,e=s.size(),xd,jsjs=0;
      |            ^
shoes.cpp:8:28: warning: unused variable 'jsjs' [-Wunused-variable]
    8 |  int a,b,c,d,e=s.size(),xd,jsjs=0;
      |                            ^~~~
shoes.cpp:9:17: warning: unused variable 'fuo' [-Wunused-variable]
    9 |  bool fua=false,fuo=true;
      |                 ^~~

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