/in/foo.cc: In function 'int main()':
/in/foo.cc:12:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   12 |         else
      |         ^~~~
/in/foo.cc:14:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   14 |                 double cost=j*k;
      |                 ^~~~~~
/in/foo.cc:14:24: warning: 'j' may be used uninitialized [-Wmaybe-uninitialized]
   14 |                 double cost=j*k;
      |                        ^~~~
/in/foo.cc:7:24: note: 'j' was declared here
    7 |         double a,m,k,i,j;
      |                        ^