foo.cc: In function 'int main()':
foo.cc:17:33: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   17 |                                 if(c=='+')
      |                                 ^~
foo.cc:19:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   19 |                                         e=x;
      |                                         ^
foo.cc:20:33: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   20 |                                 if(c=='-')
      |                                 ^~
foo.cc:22:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   22 |                                         e=x;
      |                                         ^
foo.cc:26:15: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |         cout<<e;
      |               ^

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