foo.cc: In function 'int main()':
foo.cc:12:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   12 |     for(int i=1;i<na+nb;i++)
      |     ^~~
foo.cc:15:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   15 |  cout<<ans;
      |  ^~~~
foo.cc:5:22: warning: unused variable 'b' [-Wunused-variable]
    5 |  int na,nb,a[100000],b[100000],ans=1;
      |                      ^

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