Submission #12777

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
12777	2015-01-03 12:34:33	gs13068	양말 찾기 (KPI13_socks)	C++98	1 / 1	1944 ms	1600 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

socks

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#include<cstdio>
int d[2][65536];
int main()
{
    int i,n,a,b;
    scanf("%d",&n);
    while(n--)
  {
    scanf("%d",&i);
    i+=1000000001;
        d[0][i>>16]^=i;
        d[1][i&65535]^=i;
  }
  a=b=0;
  for(i=0;i<65536;i++)if(d[0][i])
  {
        if(a)b=d[0][i];
        else a=d[0][i];
  }
  if(!b)
  {
    a=b=0;
    for(i=0;i<65536;i++)if(d[1][i])
    {
      if(a)b=d[1][i];
      else a=d[1][i];
    }
  }
 
 
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Subtask 11 / 1

#	Verdict	Execution time	Memory	Grader output
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