Compilare: main.c: In function 'main': main.c:11:15: warning: variable 'g' set but not used [-Wunused-but-set-variable] FILE *f, *g; ^ main.c:11:11: warning: variable 'f' set but not used [-Wunused-but-set-variable] FILE *f, *g; ^ main.c:17:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^~~~~~~~~~~~~~~~~~~~~~ main.c:25:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^~~~~~~~~~~~~~~~~~ main.c: In function 'getMiddle': main.c:88:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.c: In function 'getMiddlePosition': main.c:102:1: warning: control reaches end of non-void function [-Wreturn-type] } ^