Compilare: user.c: In function ‘constructie’: user.c:19: warning: suggest parentheses around ‘-’ inside ‘<<’ user.c:13: warning: unused variable ‘k’ user.c:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘main’: user.c:36: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:41: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:48: warning: control reaches end of non-void function user.c: In function ‘logaritm’: user.c:29: warning: control reaches end of non-void function user.c: In function ‘constructie’: user.c:22: warning: control reaches end of non-void function