Borderou de evaluare (job #326502)

Compilare: user.c: In function ‘main’: user.c:15:5: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.c:7:16: warning: unused variable ‘c’ [-Wunused-variable] user.c:7:10: warning: unused variable ‘r’ [-Wunused-variable] user.c:8:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]