Compilare: user.c: In function ‘main’: user.c:5:41: warning: unused variable ‘j’ [-Wunused-variable] int t, n, k, santa = 0, mickey = 0, i, j; ^ user.c:5:26: warning: variable ‘mickey’ set but not used [-Wunused-but-set-variable] int t, n, k, santa = 0, mickey = 0, i, j; ^ user.c:5:15: warning: variable ‘santa’ set but not used [-Wunused-but-set-variable] int t, n, k, santa = 0, mickey = 0, i, j; ^ user.c:8:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ user.c:12:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&k); ^