Compilare: user.c: In function ‘main’: user.c:10: warning: integer overflow in expression user.c:9: warning: unused variable ‘max2’ user.c:9: warning: unused variable ‘max1’ user.c:7: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:8: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:12: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:16: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result