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- while(t>0)
- {
- z.clear();
- inv=0;
- scanf("%d",&n);
- for(int i=0;i<n;i++)
- {
- scanf("%s",&b[i][0]);
- z[&b[i][0]]=i;
- }
- for(int j=0;j<n;j++)
- {
- scanf("%s",&c[j][0]);
- k[j]=z[&c[j][0]];
- }
- merge_sort(0,n-1);
- cout<<inv<<endl;
- t--;
- }
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