/in/foo.cc: In function 'int main()':
/in/foo.cc:62:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else add(u,v,w1);add(v,u,w2);
   ^~~~
/in/foo.cc:62:20: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
   else add(u,v,w1);add(v,u,w2);
                    ^~~