/* Bai tap 2_6 - Cho biet goc thuoc goc vuong nao */

#include <stdio.h>

void main()

{

  int goc;

  printf("

Nhap vao gia tri goc : ");

  scanf("%d", &goc);

  printf("Goc do thuoc goc vuong thu %d", (goc/90)%4 + 1);

  getch();

}