162-207 completed

2. Bai162/Source.cpp

@@ -1,8 +1,65 @@
 #include <iostream>
+#include <iomanip>
 using namespace std;
 
+struct DaThuc
+{
+	float a[100];
+	int n;
+};
+typedef struct DaThuc DATHUC;
+
+void Nhap(DATHUC&);
+void Xuat(DATHUC);
+
+DATHUC Tich(DATHUC, DATHUC);
+
 int main()
 {
+	DATHUC f1;
+	cout << "Nhap da thuc f1:" << endl;
+	Nhap(f1);
+
+	DATHUC f2;
+	cout << "Nhap da thuc f2:" << endl;
+	Nhap(f2);
+
+	cout << "Tich da thuc: f1 * f2:" << endl;
+	Xuat(Tich(f1, f2));
 
 	return 0;
+}
+
+void Nhap(DATHUC& f)
+{
+	cout << "Nhap bac da thuc: ";
+	cin >> f.n;
+	for (int i = f.n; i >= 0; i--)
+	{
+		cout << "Nhap he so a[" << i << "]: ";
+		cin >> f.a[i];
+	}
+}
+
+void Xuat(DATHUC f)
+{
+	for (int i = f.n; i >= 1; i--)
+	{
+		cout << f.a[i];
+		cout << "x^" << i;
+		cout << setw(3);
+	}
+	cout << f.a[0];
+}
+
+DATHUC Tich(DATHUC f, DATHUC g)
+{
+	DATHUC temp;
+	temp.n = f.n + g.n;
+	for (int i = temp.n; i >= 0; i--)
+		temp.a[i] = 0;
+	for (int i = 0; i <= g.n; i++)
+		for (int j = 0; j <= f.n; j++)
+		temp.a[i + j] += g.a[i] * f.a[j];
+	return temp;
 }

2. Bai167/Source.cpp

@@ -1,8 +1,49 @@
 #include <iostream>
+#include <iomanip>
 using namespace std;
 
+struct DaThuc
+{
+	float a[100];
+	int n;
+};
+typedef struct DaThuc DATHUC;
+
+void Nhap(DATHUC&);
+float VT(DATHUC, float);
+
 int main()
 {
+	DATHUC f1;
+	cout << "Nhap da thuc f1:" << endl;
+	Nhap(f1);
+
+	float x;
+	cout << "Nhap so thuc x:" << endl;
+	cin >> x;
 
+	cout << "x= "<<x<<" co gia tri la : " << VT(f1,x);
+
 	return 0;
+}
+
+void Nhap(DATHUC& f)
+{
+	cout << "Nhap bac da thuc: ";
+	cin >> f.n;
+	for (int i = f.n; i >= 0; i--)
+	{
+		cout << "Nhap he so a[" << i << "]: ";
+		cin >> f.a[i];
+	}
+}
+
+float VT(DATHUC f, float x)
+{
+	float s=0.0;
+	for (int i = 1; i <= f.n; i++)
+		f.a[i] = f.a[i] * pow(x, i);
+	for (int i = 0; i <= f.n; i++)
+		s += f.a[i];
+	return s;
 }

2. Bai177/Source.cpp

@@ -1,8 +1,70 @@
 #include <iostream>
 using namespace std;
 
+struct diem
+{
+	float x;
+	float y;
+};
+typedef struct diem DIEM;
+
+void Nhap(DIEM&);
+void Nhap(DIEM[], int&);
+void Xuat(DIEM);
+float KhoangCachGoc(DIEM);
+DIEM GanGocNhat(DIEM[], int);
+
+
 int main()
 {
+	DIEM a[100];
+	int n;
+	Nhap(a, n);
+
+	cout << "Diem gan goc toa do nhat la:";
+	Xuat(GanGocNhat(a, n));
 
 	return 0;
-}
+}
+
+void Nhap(DIEM& P)
+{
+	cout << "Nhap x: ";
+	cin >> P.x;
+	cout << "Nhap y: ";
+	cin >> P.y;
+}
+
+void Nhap(DIEM P[], int& n)
+{
+	cout << "Nhap so luong diem: ";
+	cin >> n;
+	for (int i = 0; i <= n - 1; i++)
+	{
+		cout << "Nhap diem thu " << i << ": " << endl;
+		Nhap(P[i]);
+	}
+}
+
+void Xuat(DIEM P)
+{
+	cout << "\nx: " << P.x;
+	cout << "\ny: " << P.y;
+}
+
+
+
+float KhoangCachGoc(DIEM P)
+{
+	return sqrt(P.x * P.x + P.y * P.y);
+}
+
+DIEM GanGocNhat(DIEM a[], int n)
+{
+	DIEM lc = a[0];
+	for (int i = 0; i <= n - 1; i++)
+		if (KhoangCachGoc(a[i]) <
+			KhoangCachGoc(lc))
+		lc = a[i];
+	return lc;
+}

2. Bai182/Source.cpp

@@ -1,8 +1,58 @@
 #include <iostream>
 using namespace std;
 
-int main()
+struct PhanSo
 {
+	int Tu;
+	int Mau;
+};
+typedef struct PhanSo PHANSO;
+
+void Nhap(PHANSO&);
+void Xuat(PHANSO);
 
+void Nhap(PHANSO[], int&);
+void Xuat(PHANSO[], int);
+
+int main()
+{
+	PHANSO P[100];
+	int n;
+	Nhap(P, n);
+	Xuat(P, n);
 	return 0;
+}
+
+void Nhap(PHANSO& P)
+{
+	cout << "\nNhap Tu: ";
+	cin >> P.Tu;
+	cout << "Nhap Mau: ";
+	cin >> P.Mau;
+}
+
+void Xuat(PHANSO P)
+{
+	cout << "\nTu: " << P.Tu;
+	cout << "\nMau: " << P.Mau;
+}
+
+void Nhap(PHANSO a[], int& n)
+{
+	cout << "Nhap so luong phan so: ";
+	cin >> n;
+	for (int i = 0; i < n; i++)
+	{
+		cout << "\nNhap a[" << i << "] = ";
+		Nhap(a[i]);
+	}
+}
+
+void Xuat(PHANSO a[], int n)
+{
+	for (int i = 0; i < n; i++)
+	{
+		cout << "\na[" << i << "] = ";
+		Xuat(a[i]);
+	}
 }

2. Bai187/Source.cpp

@@ -1,8 +1,63 @@
 #include <iostream>
 using namespace std;
 
-int main()
+struct PhanSo
 {
+	int Tu;
+	int Mau;
+};
+typedef struct PhanSo PHANSO;
+
+void Nhap(PHANSO&);
+void Xuat(PHANSO);
+
+void Nhap(PHANSO[], int&);
+
+PHANSO DuongDau(PHANSO[], int);
 
+int main()
+{
+	PHANSO P[100];
+	int n;
+	Nhap(P, n);
+	cout << "Duong dau tien trong mang la: ";
+	Xuat(DuongDau(P,n));
 	return 0;
-}
+}
+
+void Nhap(PHANSO& P)
+{
+	cout << "\nNhap Tu: ";
+	cin >> P.Tu;
+	cout << "Nhap Mau: ";
+	cin >> P.Mau;
+}
+
+void Xuat(PHANSO P)
+{
+	cout << "\nTu: " << P.Tu;
+	cout << "\nMau: " << P.Mau;
+}
+
+void Nhap(PHANSO a[], int& n)
+{
+	cout << "Nhap so luong phan so: ";
+	cin >> n;
+	for (int i = 0; i < n; i++)
+	{
+		cout << "\nNhap a[" << i << "] = ";
+		Nhap(a[i]);
+	}
+}
+
+PHANSO DuongDau(PHANSO a[], int n)
+{
+	for (int i = 0; i < n; i++)
+	{
+		if (a[i].Tu * a[i].Mau > 0)
+			return a[i];
+	}
+	PHANSO temp{ 0,1 };
+	return temp;
+}
+

2. Bai192/Source.cpp

@@ -1,8 +1,42 @@
 #include <iostream>
 using namespace std;
 
+struct SoPhuc
+{
+	float Thuc;
+	float Ao;
+};
+typedef struct SoPhuc SOPHUC;
+
+void Nhap(SOPHUC&);
+void Nhap(SOPHUC[], int&);
+
 int main()
 {
+	SOPHUC a[100];
+	int n;
+	Nhap(a, n);
+
+	cout << "Da hoan thanh nhap mang mot chieu cac so phuc";
 
 	return 0;
+}
+
+void Nhap(SOPHUC& x)
+{
+	cout << "Nhap thuc: ";
+	cin >> x.Thuc;
+	cout << "Nhap ao: ";
+	cin >> x.Ao;
+}
+
+void Nhap(SOPHUC a[], int& n)
+{
+	cout << "Nhap n: ";
+	cin >> n;
+	for (int i = 0; i < n; i++)
+	{
+		cout << "Nhap a[" << i << "]: ";
+		Nhap(a[i]);
+	}
 }