Compilare: user.c: In function ‘main’: user.c:25:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[i]==')') ^ user.c:19:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&m); ^ user.c:22:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&i); ^