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ConsoleApplica44444.cpp

@@ -0,0 +1,68 @@
+#include <iostream>
+#include <fstream>
+using namespace std;
+
+int ncd(int a, int b) {
+    return (b == 0 ? a : ncd(b, a % b));
+}
+
+struct Drib {
+    int ch;
+    int zn;
+
+    void init() {
+        cout << "\nInput ch: ";
+        cin >> ch;
+        cout << "Input zn: ";
+        cin >> zn;
+        skor();
+    }
+    void skor() {
+        int d = ncd(ch, zn);
+        if (d != 0) {
+            ch /= d;
+            zn /= d;
+        }
+        
+    }
+    void print() {
+        cout << ch << "/" << zn << endl;
+    }
+};
+
+int main()
+{
+    Drib a;
+    fstream finOut;
+
+    finOut.open("info.dat", ios::binary | ios::out); //ios::out | ios::trunc);
+    if (!finOut.is_open()) {
+        cerr << "\n Error opening file(out)!!\n";
+        system("pause");
+        return 1;
+    }
+    int vUser;
+    do {
+        a.init();
+
+        finOut.write((char*)(&a), sizeof(Drib));
+        cout << "\n Create a fraction?(1/Yes 0/No) ";
+        cin >> vUser;
+    } while (vUser);
+    finOut.close();
+
+    finOut.open("info.dat", ios::binary | ios::in);
+    if (!finOut.is_open()) {
+        cerr << "\n Beta(in)!!\n";
+        system("pause");
+        return 1;
+    }
+    cout << "\nRead fractions in file:\n";
+    finOut.read((char*)(&a), sizeof(a));
+    while (finOut.good()) {
+        a.print();
+        finOut.read(reinterpret_cast<char*>(&a), sizeof(a));
+    }
+    finOut.close();
+    system("pause");
+}

FractionBinaryFile.cpp

@@ -0,0 +1,127 @@
+#include <iostream>
+#include <fstream>
+using namespace std;
+
+int ncd(int a, int b) {
+	return (b == 0 ? a : ncd(b, a % b));
+}
+
+struct Drib {
+	int ch;
+	int zn;
+
+	void init() {
+		cout << "\nInput ch: ";
+		cin >> ch;
+		cout << "Input zn: ";
+		cin >> zn;
+		skor();
+	}
+	void skor() {
+		int d = ncd(ch, zn);
+		if (d != 0) {
+			ch /= d;
+			zn /= d;
+		}
+	}
+	void print() {
+		cout << ch << "/" << zn << endl;
+	}
+
+};
+int main()
+{
+	Drib a;
+	Drib* pDrip = new Drib;
+	fstream finOut;
+
+	finOut.open("info.dat", ios::binary | ios::out);//ios::out|ios::trunc);
+	if (!finOut.is_open()) {
+		cerr << "\n Error opening file(out)!!\n";
+		system("pause");
+		return 1;
+	}
+	int vUser;
+	do {
+
+		a.init();
+		pDrip->init();
+		finOut.write((char*)pDrip, sizeof(Drib));
+		//finOut.write(reinterpret_cast<char*>(&a), sizeof(a));
+		finOut.write((char*)(&a), sizeof(Drib));
+		cout << "\n Create a fraction?(1/Yes  0/No) ";
+		cin >> vUser;
+	} while (vUser);
+	finOut.close();
+
+	/*ifstream fIn;
+	finOut.open("info.dat", ios::binary );*/
+
+	finOut.open("info.dat", ios::binary | ios::in);
+	if (!finOut.is_open()) {
+		cerr << "\n Beda(in)!!";
+		system("pause");
+		return 1;
+	}
+	cout << "\nRead fractions in file:\n";
+	finOut.read((char*)(&a), sizeof(a));//1 Drip
+	while (finOut.good()) {//!finOut.eof()
+		a.print();
+		finOut.read(reinterpret_cast<char*>(&a), sizeof(a));
+	}
+	finOut.close();
+	system("pause");
+	Drib* p;
+	finOut.open("info.dat", ios::binary | ios::in);
+	if (!finOut.is_open()) {
+		cerr << "\n Error opening file(in)!!";
+		system("pause");
+		return 1;
+	}
+	finOut.seekg(0, ios::end);//ios::beg ios::cur
+	int endpos = (int)finOut.tellg();
+	int n = endpos / sizeof(Drib);
+	cout << "\n There are  " << n << " fractions in the file\n";
+	if (n == 0) {
+		return 0;
+	}
+	finOut.seekg(0);//finOut.seekg(0, ios::beg);
+	p = new Drib[n];
+	int i = 0;
+	for (i = 0; i < n; ++i) {
+		finOut.read(reinterpret_cast<char*>(p + i), sizeof(Drib));
+	}
+
+	cout << "Counted " << i << " fractions\n";
+	for (i = 0; i < n; ++i) {
+		p[i].print();
+
+	}
+
+	//finOut.seekg(sizeof(drob)*(n-1));
+	finOut.seekg(-(streamoff)sizeof(Drib), ios::end);
+	finOut.read(reinterpret_cast<char*>(&a), sizeof(Drib));
+	cout << "\n The last fraction:\n";
+	a.print();
+	delete[] p;
+	finOut.close();
+	a.init();
+	finOut.open("info.dat", ios::binary | ios::app);
+	finOut.write((char*)(&a), sizeof(a));
+	//finOut.seekp(0, ios::end);
+	endpos = (int)finOut.tellp();
+	n = endpos / sizeof(Drib);
+	cout << "\n There are  " << n << " fractions in the file\n";
+	finOut.close();
+	finOut.open("info.dat", ios::binary | ios::in);
+	if (!finOut.is_open()) {
+		cerr << "\n Error: bad open file(in)!!";
+		system("pause");
+		return 1;
+	}
+	finOut.seekg(-(streamoff)sizeof(Drib), ios::end);
+	finOut.read(reinterpret_cast<char*>(&a), sizeof(Drib));
+	cout << "\n The last fraction:\n";
+	a.print();
+}
+

Home_Task1.cpp

@@ -0,0 +1,151 @@
+//#include <iostream>
+//#include <fstream>
+//#define N 7
+//using namespace std;
+//const int sz = 25;
+//struct Marsh {
+//    char nomer[7]
+//    char marshBegin[sz];//<2F><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+//    char marshEnd[sz];//<2F><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+//    int count;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+//    int tm;//<2F><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+//    void init();
+//    void show();
+//};
+//
+//int main()
+//{
+//    Marsh marsh;
+//    int vUser;
+//    ofstream fout;
+//    fout.open(".\\Data\\info.dat", ios::binary);
+//    if (!fout.is_open()) {
+//        cerr << "Error: open file(out)\n";
+//        system("pause");
+//        return 1;
+//    }
+//
+//    do {
+//        marsh.init();
+//        fout.write(reinterpret_cast<char*>(&marsh), sizeof(Marsh));
+//    } while (vUser != 0);
+//    fout.close();
+//    ifstream fin;
+//    fin.open(".\\Data\\info.dat", ios::binary);
+//    if (!fin.is_open()) {
+//        cerr << "Error: open file(in)\n";
+//        system("pause");
+//        return 1;
+//    }
+//    fin.seekg(0, ios::end);
+//    int size = (int)fin.tellg();
+//    int n = size/sizeof(M)
+//}
+//void Marsh::init() {
+//    cout << "Input nomer: ";
+//    cin.getline(nomer, N);
+//    cout << "Begin: ";
+//    cin.get(marshBegin, sz);
+//    cout << "End: ";
+//    cin.get(marshEnd, sz);
+//    cout << " count: ";
+//    cin >> tm;
+//    cin.ignore();
+//}
+//void Marsh::show() {
+//    cout << "Nomer: " << nomer
+//        << "\nBegin: " << marshBegin
+//        << "\nEnd: " << marshEnd
+//        << "\n count: " << count + 2
+//        << "\n time: " << fm << endl;
+//}
+//
+
+#include <iostream>
+#include <fstream>
+#define N 7
+using namespace std;
+const int sz = 25;
+
+struct Marsh {
+    char nomer[7];
+    char marshBegin[sz];
+    char marshEnd[sz];
+    int count;
+    int tm;//time
+    void init();
+    void show();
+};
+
+void show(Marsh* p, int n) {
+    for (int i = 0; i < n; ++i)
+        p[i].show();
+}
+
+int main()
+{
+    //".\\resFile\\infoMars.dat"
+   // Marsh marsh;
+    Marsh* pMarsh = new Marsh;
+    int vUser;
+    ofstream fout;
+    fout.open(".\\Data\\info.dat", ios::binary);//ios::out
+    if (!fout.is_open()) {
+        cerr << "Error: open file(out)\n";
+        system("pause");
+        return 1;
+    }
+
+    do {
+        /*marsh.init();
+        fout.write(reinterpret_cast<char*>(&marsh), sizeof(Marsh));*/
+        pMarsh->init();
+        fout.write(reinterpret_cast<char*>(pMarsh), sizeof(Marsh));
+        cout << "Create Marsh?(1(Yes)/0(No) ";
+        cin >> vUser;
+        cin.ignore();
+    } while (vUser != 0);
+    delete pMarsh;
+    fout.close();
+    ifstream fIn;
+    fIn.open(".\\Data\\info.dat", ios::binary);//ios::out
+    if (!fIn.is_open()) {
+        cerr << "Error: open file(out)\n";
+        system("pause");
+        return 1;
+    }
+    fIn.seekg(0, ios::end);
+    int size = (int)fIn.tellg();
+    int n = size / sizeof(Marsh);//n!=0
+    pMarsh = new Marsh[n];
+    fIn.seekg(0);
+    for (int i = 0; i < n; ++i) {
+        fIn.read(reinterpret_cast<char*>(pMarsh + i), sizeof(Marsh));
+    }
+    fIn.close();
+    show(pMarsh, n);
+    delete[] pMarsh;
+    system("pause");
+}
+void Marsh::init() {
+    cout << "Input nomer: ";
+    cin.getline(nomer, N);
+    cout << "Begin: ";
+    cin.getline(marshBegin, sz);
+    cout << "End: ";
+    cin.getline(marshEnd, sz);
+    cout << " count: ";
+    cin >> count;
+    cout << "midle time:  ";
+    cin >> tm;
+    cin.ignore();
+}
+void Marsh::show() {
+    cout << "Nomer: " << nomer
+        << "\nBegin: " << marshBegin
+        << "\n End: " << marshEnd
+        << "\n count: " << count + 2
+        << "\n time: " << tm << endl;
+}
+
+

task1.cpp

@@ -1,77 +0,0 @@
-//#include <iostream>
-//
-//using namespace std;
-//
-//int main() {
-//	int s;
-//	cout << "Size: ";
-//	cin >> s;
-//	int t;
-//	cout << "Shape (1-left,2-right,3-up,4-down,5-square): ";
-//	cin >> t;
-//	if (s < 1) return 0;
-//	switch (t) {
-//	case 1: {
-//		int i;
-//		int j;
-//		for (i = 1; i <= s; i++) {
-//			for (j = 1; j <= i; j++) cout << "*";
-//			cout << "\n";
-//		}
-//		break;
-//	}
-//	case 2: {
-//		int i;
-//		int j;
-//		for (i = 1; i <= s; i++) {
-//			for (j = 1; j <= s - i; j++) cout << " ";
-//			for (j = 1; j <= i; j++) cout << "*";
-//			cout << "\n";
-//		}
-//		break;
-//	}
-//	case 3: {
-//		int i;
-//		int j;
-//		int k;
-//		for (i = 1; i <= s; i++) {
-//			for (j = 1; j <= s - i; j++) cout << " ";
-//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
-//			cout << "\n";
-//		}
-//		break;
-//	}
-//	case 4: {
-//		int i;
-//		int j;
-//		int k;
-//		for (i = s; i >= 1; i--) {
-//			for (j = 1; j <= s - i; j++) cout << " ";
-//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
-//			cout << "\n";
-//		}
-//		break;
-//	}
-//	case 5: {
-//		int i;
-//		int j;
-//		int k;
-//		for (i = s; i >= 1; i--) {
-//			for (j = 1; j <= s - i; j++) cout << " ";
-//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
-//			cout << "\n";
-//		}
-//		for (i = 1; i <= s; i++) {
-//			for (j = 1; j <= s - i; j++) cout << " ";
-//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
-//			cout << "\n";
-//		}
-//		break;
-//	}
-//	default: {
-//		cout << "Wrong choice\n";
-//		break;
-//	}
-//	}
-//	return 0;
-//}

task2.cpp

@@ -1,40 +0,0 @@
-//#include <iostream>
-//
-//using namespace std;
-//
-//int main() {
-//	long long x;
-//	cout << "Number: ";
-//	cin >> x;
-//	long long y;
-//	y = llabs(x);
-//	if (y == 0) {
-//		cout << "Digits: 1\n";
-//		cout << "Sum: 0\n";
-//		cout << "Avg: 0\n";
-//		cout << "Zeros: 1\n";
-//		return 0;
-//	}
-//	int c;
-//	c = 0;
-//	int s;
-//	s = 0;
-//	int z;
-//	z = 0;
-//	while (y > 0) {
-//		int d;
-//		d = y % 10;
-//		s += d;
-//		if (d == 0) z++;
-//		y /= 10;
-//		c++;
-//	}
-//	double a;
-//	a = (c == 0) ? 0.0 : (double)s / c;
-//	cout << "Digits: " << c << "\n";
-//	cout << "Sum: " << s << "\n";
-//	cout << "Avg: " << a << "\n";
-//	cout << "Zeros: " << z << "\n";
-//	return 0;
-//}
-//

task3.cpp

@@ -1,19 +0,0 @@
-//#include <iostream>
-//
-//using namespace std;
-//
-//int main() {
-//	int k;
-//	k = 0;
-//	for (int i = 100; i <= 999; i++) {
-//		int a;
-//		a = i / 100;
-//		int b;
-//		b = (i / 10) % 10;
-//		int c;
-//		c = i % 10;
-//		if (a != b && a != c && b != c) k++;
-//	}
-//	cout << k << "\n";
-//	return 0;
-//}

task4.cpp

@@ -1,18 +0,0 @@
-#include <iostream>
-
-using namespace std;
-
-int main() {
-	long long n;
-	cout << "Number: ";
-	cin >> n;
-	long long m;
-	m = llabs(n);
-	if (m == 0) {
-		cout << "All integers divide 0\n";
-		return 0;
-	}
-	for (long long i = 1; i <= m; i++) if (m % i == 0) cout << i << " ";
-	cout << "\n";
-	return 0;
-}