Borderou de evaluare (job #21315)

Compilare: user.c: In function 'main': user.c:22:13: warning: implicit declaration of function 'nrnc' [-Wimplicit-function-declaration] user.c: In function 'nrnc': user.c:48:9: warning: implicit declaration of function 'square' [-Wimplicit-function-declaration] user.c: In function 'main': user.c:12:11: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] user.c:16:15: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result]