Borderou de evaluare (job #18416)

Compilare: user.c: In function ‘main’: user.c:19:13: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘int’ [-Wformat] user.c:7:29: warning: unused variable ‘u’ [-Wunused-variable] user.c:7:11: warning: unused variable ‘inv’ [-Wunused-variable] user.c:19:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:27:22: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]