Borderou de evaluare (job #540883)

Compilare: user.c: In function ‘main’: user.c:16:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat] user.c:13:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]