Borderou de evaluare (job #311185)

Eroare de compilare: user.c:30:5: error: conflicting types for ‘atoi’ /usr/include/stdlib.h:284:1: note: previous definition of ‘atoi’ was here user.c: In function ‘reduce’: user.c:47:2: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.c:55:5: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.c: In function ‘main’: user.c:88:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.c:72:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:77:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]