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View Compilation Error

0_0_39314254_5545.cpp: In function 'int main()':
0_0_39314254_5545.cpp:123:39: error: 'ans' was not declared in this scope; did you mean 'abs'?
  123 |                                 cout<<ans.fi<<endl;
      |                                       ^~~
      |                                       abs


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