/in/foo.cc: In function 'int main()':
/in/foo.cc:80:10: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
          if(b[j]==0)
          ^~
/in/foo.cc:82:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
             aim=a[j]-a[i];
             ^~~