/in/foo.cc: In function 'int main()':
/in/foo.cc:7:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
      if(n%4==1 || n%4==2);
      ^~
/in/foo.cc:8:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    printf("%d",1);
    ^~~~~~
/in/foo.cc:9:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(n%4==3 || n%4==4);
   ^~
/in/foo.cc:10:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
       printf("%d",0);
       ^~~~~~