Compilare: user.c: In function ‘init’: user.c:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c: In function ‘main’: user.c:53: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:54: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c: In function ‘calc’: user.c:24: warning: array subscript is above array bounds user.c:25: warning: array subscript is above array bounds user.c:26: warning: array subscript is above array bounds user.c:29: warning: array subscript is above array bounds user.c: In function ‘query’: user.c:42: warning: array subscript is above array bounds user.c:44: warning: array subscript is above array bounds user.c:44: warning: array subscript is above array bounds user.c:46: warning: array subscript is above array bounds