#include<stdio.h>
#include<conio.h>
#include<Windows.h>
int main()
{
/*int i = 1;
Taideptrai:
printf("%d\n", i);
i++;
if (i <= 10)
{
goto Taideptrai;
}*/
int n;
Taideptrai2:
printf("\nNhap vao so nguyen duong n: ");
scanf_s("%d", &n);
if (n < 0)
{
printf("\nGia tri n phai la so duong. Xin kiem tra lai! ");
goto Taideptrai2;
}
printf("\nDu lieu da hop le !");
printf("\nBan co muon tiep tuc chuong trinh hay khong ? Neu co thi nhan phim C, nguoc lai nhan phim bat ky de thoat ra !");
char t = _getch();
if (t == 'c' || t == 'C')
{
system("cls");
goto Taideptrai2;
}
_getch();
return 0;
}