#include<stdio.h>
#include<conio.h>

struct DonThuc
{
	float a;
	int n;
};
typedef struct DonThuc DONTHUC;

void NhapDonThuc(DONTHUC &);
void XuatDonThuc(DONTHUC);

void NhapDonThuc(DONTHUC &dt)
{
	float temp;
	printf("\nNhap he so: ");
	scanf("%f", &temp);
	dt.a = temp;

	printf("\nNhap bac don thuc: ");
	scanf("%d", &dt.n);
}

void XuatDonThuc(DONTHUC dt)
{
	printf("%8.3fx^%d", dt.a, dt.n);
}

int main()
{
	DONTHUC dt;
	NhapDonThuc(dt);
	XuatDonThuc(dt);

	getch();
	return 0;
}

Line 17: error: conio.h: No such file or directory
Line 11: error: expected ';', ',' or ')' before '&' token
Line 14: error: expected ';', ',' or ')' before '&' token