foo.cc: In function ‘int main()’:
foo.cc:33:13: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   33 |             if(f1!=f2)
      |             ^~
foo.cc:35:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   35 |                 break;
      |                 ^~~~~
foo.cc:18:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   18 |     if(p%2==0)
      |     ^~
foo.cc:37:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   37 |         if(p%2!=0)
      |         ^~
foo.cc:54:17: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   54 |                 if(f1!=f2)
      |                 ^~
foo.cc:56:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   56 |                     break;
      |                     ^~~~~
foo.cc:5:16: warning: unused variable ‘b’ [-Wunused-variable]
    5 |     int a,ws=0,b=0,f1,f2,f3,i,j,f4,f5,p,hui=0;
      |                ^
foo.cc:5:36: warning: variable ‘f5’ set but not used [-Wunused-but-set-variable]
    5 |     int a,ws=0,b=0,f1,f2,f3,i,j,f4,f5,p,hui=0;
      |                                    ^~