Borderou de evaluare (job #331850)

Compilare: user.c: In function ‘main’: user.c:23:21: warning: implicit declaration of function ‘toupper’ [-Wimplicit-function-declaration] user.c:32:17: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘char *’ [-Wformat] user.c:6:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]