Borderou de evaluare (job #400199)

Compilare: user.c: In function ‘main’: user.c:23:5: warning: implicit declaration of function ‘sqrt’ [-Wimplicit-function-declaration] user.c:23:11: warning: incompatible implicit declaration of built-in function ‘sqrt’ [enabled by default] user.c:8:31: warning: unused variable ‘k’ [-Wunused-variable] user.c:11:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:14: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]