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- #include <iostream>
- #include <fstream>
- using namespace std;
- ifstream f("date.in");
- ofstream g("date.out");
- int a[101],n,b[101],c[101],m,k,i,j,x;
- int main()
- {
- f>>n;
- for(i=0; i<n; i++)
- f>>a[i];
- f>>m;
- for(j=0; j<m; j++)
- f>>b[j];
- i=0,j=m-1;
- while(i<n && j>=0)
- {
- if(a[i]<b[j])
- {
- i++;
- if(a[i-1]!=x)
- c[k++]=a[i-1];
- else
- k--;
- }
- else
- {
- j--;
- if(b[j+1]!=x)
- c[k++]=b[j+1];
- else
- k--;
- }
- x=c[k-1];
- }
- for( ; j>=0; j--)
- if(b[j]!=x)
- c[k++]=b[j],x=c[k-1];
- for( ; i<n; i++)
- if(a[i]!=x)
- c[k++]=a[i],x=c[k-1];
- for(int i=0; i<k; i++)
- g<<c[i]<<" ";
- return 0;
- }
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