Borderou de evaluare (job #49968)

Compilare: user.c: In function ‘main’: user.c:16:13: warning: implicit declaration of function ‘sqrt’ [-Wimplicit-function-declaration] user.c:16:25: warning: incompatible implicit declaration of built-in function ‘sqrt’ [enabled by default] user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:23:12: warning: ‘c’ may be used uninitialized in this function [-Wuninitialized]