foo.c: In function 'main':
foo.c:5:44: warning: variable 'originalInteger' set but not used [-Wunused-but-set-variable]
     int n, reversedInteger = 0, remainder, originalInteger;
                                            ^~~~~~~~~~~~~~~
foo.c:8:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ^~~~~~~~~~~~~~~

[Hydro](https://hydro.ac)提供评测服务