Borderou de evaluare (job #91313)

Compilare: user.c: In function ‘main’: user.c:6:88: warning: unused variable ‘nr’ [-Wunused-variable] user.c:10:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:90:1: warning: control reaches end of non-void function [-Wreturn-type] user.c:52:10: warning: ‘suma’ may be used uninitialized in this function [-Wuninitialized]