diff --git "a/\320\267\320\260\320\260\320\264\320\260\320\275\320\270\320\2652.cpp" "b/\320\267\320\260\320\260\320\264\320\260\320\275\320\270\320\2652.cpp"
new file mode 100644
index 0000000..01de1e2
--- /dev/null
+++ "b/\320\267\320\260\320\260\320\264\320\260\320\275\320\270\320\2652.cpp"
@@ -0,0 +1,46 @@
+#include <iostream>
+#include <cmath>
+    using namespace std;
+
+    float VectorLength(int x, int y, int z)
+    {
+        return sqrt(x * x + y * y + z * z);
+    }
+    void SingleVector(int x, int y, int z, float length)
+    {
+        cout << x / length << " " << y / length << " " << z / length << endl;
+
+    }
+    float ScalarProduct(int x, int a, int y, int b, int z, int c)
+    {
+        return x * a + y * b + z * c;
+    }
+    void VectorProduct(int x, int a, int y, int b, int z, int c)
+    {
+        cout << y * c - z * b << " " << -1 * (x * c - z * a) << " " << x * b - y * a << endl;
+    }
+    int main(int args, char* argv[])
+    {
+        int x = 1;
+        int y = 5;
+        int z = 3;
+        int a, b, c;
+
+        cout << "1.1" << endl;
+        float length = VectorLength(x, y, z);
+
+        cout << "Vector Length = " << length << endl;
+
+        cout << "1.3" << endl;
+
+        cin >> a >> b >> c;
+
+        cout << ScalarProduct(x, a, y, b, z, c) << endl;
+
+        cout << "1.4" << endl;
+
+        VectorProduct(x, y, z, a, b, c);
+
+
+        return 0;
+    };
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\265 4.1 \320\277\320\265\321\200\320\265\320\264\320\265\320\273\320\260\320\275\320\276.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\265 4.1 \320\277\320\265\321\200\320\265\320\264\320\265\320\273\320\260\320\275\320\276.cpp"
new file mode 100644
index 0000000..62582c8
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\265 4.1 \320\277\320\265\321\200\320\265\320\264\320\265\320\273\320\260\320\275\320\276.cpp"	
@@ -0,0 +1,43 @@
+#include <iostream>
+#include <cmath>
+#include <windows.h>
+
+using namespace std;
+
+float prod(int a, int b);
+float divis(int a, int b);
+
+int main()
+{
+        SetConsoleOutputCP(CP_UTF8);
+                int a, b, num;
+        cout « "enter first number" « endl;
+                cin » a;
+        cout « "enter second number" « endl;
+                cin » b;
+        cout « "enter operation number" « endl;
+                cin » num;
+        switch (num) {
+case 1:
+    cout « prod(a, b) « endl;
+    break;
+case 2:
+    cout « divis(a, b) « endl;
+    break;
+default:
+    cout « "1 -multiplication, 2 - division" « endl;
+break;
+}
+
+return 0;
+
+}
+
+float prod(int a, int b)
+{
+return a * b;
+}
+float divis(int a, int b)
+{
+return a / b;
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2651.17.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2651.17.cpp"
new file mode 100644
index 0000000..3abb964
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2651.17.cpp"
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <cmath>
+
+int main(int args, char* argv[]) {
+    using namespace std;
+
+    const float a = 0.1;
+    const float b = 0.5;
+
+    float x = 0.15;
+    float xk = 1.37;
+    float dx = 0.25;
+
+    for (; x < xk; x += dx) {
+        cout << ((a+(tg(bx)*tg(bx)))/(b+(ctg(ax)*ctg(ax))))) << endl;
+    };
+
+    float xs[5] = { 1.9, 2.15, 2.34, 2.73, 3.16 };
+
+    for (auto x : xs) {
+        cout << ((a+(tg(bx)*tg(bx)))/(b+(ctg(ax)*ctg(ax))))) << endl;
+    };
+
+    return 0;
+};
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2654.1.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2654.1.cpp"
new file mode 100644
index 0000000..7832d97
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2654.1.cpp"
@@ -0,0 +1,45 @@
+#include <iostream>
+#include <cmath>
+#include<windows.h>
+
+using namespace std;
+float prod(int);
+float divis(int);
+
+
+int main()
+{
+	{
+		SetConsoleOutput(CP_UTF8)
+			int a, b, num;
+		cout » "enter first number"
+			cin » a « endl;
+		cout » "enter second number"
+			cin » b « endl;
+		cout » "enter operation number"
+			cin » num « endl;
+		switch (num) :
+   case 1:
+	   cout « prod(a, b) « endl;
+	   break;
+   case 2:
+	   cout « divis(a, b) « endl;
+	   break;
+   default:
+	   cout « "1 -multiplication, 2 - division" « endl;
+	   break;
+
+	   return 0;
+
+	}
+
+	float prod(int a, int b)
+	{
+		return a * b;
+	}
+	float divis(int a, int b)
+	{
+		return 0;
+	}
+	return(a / b);
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2654.4.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2654.4.cpp"
new file mode 100644
index 0000000..38ffb57
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2654.4.cpp"
@@ -0,0 +1,31 @@
+#include <iostream>
+#include <cmath>
+#include<windows.h>
+
+using namespace std;
+
+int main()
+{
+    SetConsoleCP(CP_UTF8);
+    SetConsoleOutputCP(CP_UTF8);
+    int a;
+    int b;
+    int sum = 0;
+    cout « "введите начало";
+    cin » a;
+    cout « "конец";
+    cin » b;
+
+    while (a <= b)
+    {
+        //if (a % 2 == 0)
+        //{
+        // sum += a;
+        //
+        //}
+        sum += (a % 2 == 0) ? a : 0;
+        a += 1;
+    }
+    cout « "сумма=" « sum « endl;
+    return 0;
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.1.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.1.cpp"
new file mode 100644
index 0000000..2f016af
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.1.cpp"
@@ -0,0 +1,19 @@
+#include <iostream>
+
+using namespace std;
+
+void per(int *x, int *y, int *a)
+{
+	      cout << *x << endl;
+	      cout << *y << endl;
+	      cout << *a;
+
+}
+
+int main()
+{
+	      int x = 8, y = 30, a = 0;
+
+	      per(&x, &y, &a);
+
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.2.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.2.cpp"
new file mode 100644
index 0000000..5694c4e
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.2.cpp"
@@ -0,0 +1,24 @@
+#include <iostream>
+
+using namespace std;
+
+void foo(float *x, float *y)
+{
+	      float  *t;
+	      t = x;
+	      x = y;
+	      y = t;
+
+	      cout << *x << endl;
+		            cout<< *y;
+
+}
+
+int main()
+{
+	      float x = 34.5;
+	      float y = 69.7;
+
+	      foo(&x, &y);
+
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.3.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.3.cpp"
new file mode 100644
index 0000000..a8e47fe
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.3.cpp"
@@ -0,0 +1,35 @@
+#include <iostream>
+#include <ctime>
+
+using namespace std;
+
+
+int main()
+{
+	      srand(time(NULL));
+
+	      int n;
+	      int min = 888;
+
+	      cin >> n;
+	      int *a = new int[n];
+
+for (int i = 0; i < n; i++) {
+
+	      a[i] = rand() % 100;
+}
+
+for (int i = 0; i < n; i++)
+{
+	       cout << a[i] << "\t";
+}
+for (int i = 0; i < n; i++) {
+	      if (a[i] < min) {
+		            min = a[i];
+	}
+}
+	      cout << endl;
+	      cout << min;
+
+	      return 0;
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.4.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.4.cpp"
new file mode 100644
index 0000000..e3e73ce
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.4.cpp"
@@ -0,0 +1,37 @@
+#include <iostream>
+#include <ctime>
+
+using namespace std;
+
+void start(int *a, int n)
+for (int i = 0; i < n; i++) {
+
+	       a[i] = rand() % 100;
+}
+
+void display( int *a, int n)
+for (int i = 0; i < n; i++)
+{
+	       cout << a[i] << "\t";
+}
+ void tytmin( int *a, int n, int min)
+for (int i = 0; i < n; i++) {
+	      if (a[i] < min) {
+		            min = a[i];
+	}
+}
+int main()
+{
+	      srand(time(NULL));
+  
+	      int n;
+	      int min = 888;
+
+	      cin >> n;
+	      int *a = new int[n];
+
+	      cout << endl;
+	      cout << min;
+
+	      return 0;
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.5.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.5.cpp"
new file mode 100644
index 0000000..c2ed3e3
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2655.5.cpp"
@@ -0,0 +1,79 @@
+#include <iostream>
+#include <ctime>
+
+using namespace std;
+
+void FindMin(int **masiv, int row, int col, int *masivaa)
+{
+    int min = 965;
+
+    for (int i = 0; i < row; i++)
+    {
+        min = 965;
+
+        for (int j = 0; j < col; j++)
+        {
+            if (masiv[i][j] < min)
+            {
+                min = masiv[i][j];
+            }
+
+        }
+        masivaa[i] = min;
+    }
+
+    cout << "Minimum = { ";
+
+    for (int i = 0; i < row; i++)
+    {
+        cout << masivaa[i] << " ";
+    }
+
+    cout << "}" << endl;
+
+}
+
+int main()
+{
+    srand(time(NULL));
+
+    int row;
+    int col;
+
+    cin >> row;
+    cin >> col;
+    cout << endl;
+
+
+    int** masiv = new int* [row];
+    for (int i = 0; i < row; i++)
+    {
+        masiv[i] = new int[col];
+    }
+
+    for (int i = 0; i < row; i++)
+    {
+        for (int j = 0; j < col; j++)
+        {
+            masiv[i][j] = rand() % 100;
+        }
+
+    }
+
+    for (int i = 0; i < row; i++)
+    {
+        for (int j = 0; j < col; j++)
+        {
+            cout << masiv[i][j] << "\t";
+        }
+
+        cout << endl;
+    }
+    cout << endl;
+
+
+    int *masivaa = new int[row];
+
+    FindMin(masiv, row, col, masivaa);
+
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.1.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.1.cpp"
new file mode 100644
index 0000000..eeaa74e
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.1.cpp"
@@ -0,0 +1,23 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+void function(int f[])
+{
+    for (int n = 3; n < 16; n++)
+    {
+        f[n] = f[n - 1] + f[n - 2] + f[n - 3];
+        cout << f[n];
+    }
+}
+
+int main()
+{
+	int f[15];
+    f[0] = 0;
+    f[1] = 3;
+    f[2] = 5;
+    function(f);
+
+}
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.2.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.2.cpp"
new file mode 100644
index 0000000..6333942
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.2.cpp"
@@ -0,0 +1,45 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+void translation(int a)
+{
+    int binar = 0;
+    int octal = 0;
+    int hex = 0;
+    int v = a, s = a;
+
+    for (int i = 0; a > 0; i++)
+    {
+        binar += (a % 2) * pow(10.0, i);
+        a/= 2;
+    }
+
+    for (int i = 0; v > 0; i++)
+    {
+        octal += (v % 8) * pow(10.0, i);
+        v/= 8;
+    }
+
+    for (int i = 0; s > 0; i++)
+    {
+        hex += (s % 16) * pow(10.0, i);
+        s/= 16;
+    }
+    cout << binar << endl;
+    cout << octal << endl;
+    cout << hex << endl;
+}
+
+int main()
+{
+    int a;
+    cin >> a;
+    while (a < 0 || a > 325)
+    {
+        cin >> a;
+    }
+
+    translation(a);
+}
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.3.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.3.cpp"
new file mode 100644
index 0000000..0aa6694
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.3.cpp"
@@ -0,0 +1,21 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+int main()
+{
+    int x=0, y=0; 
+    cin >> x >> y; //вводятся числа с общим делителем
+
+        if (x > y)
+        {
+            x = x % y;
+        }
+        else {
+            y = y % x;
+        }
+   
+    while ((x != 0) && (y != 0));
+    cout << (x + y);
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.4.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.4.cpp"
new file mode 100644
index 0000000..4d4fa14
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2656.4.cpp"
@@ -0,0 +1,23 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+int main()
+{
+    int x, y;
+    cin >> x >> y; //то же самое что и в предыдущем
+    int a = x;
+    int c = y;
+   if (x > y)
+   {
+      x = x % y;
+   }
+   else {
+      y = y % x;
+      
+    } 
+
+    while ((x != 0) && (y != 0));
+    cout << a / (x + y) * c;
+}
\ No newline at end of file
diff --git "a/\320\267\320\260\320\264\320\260\320\275\320\270\320\2657.2.cpp" "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2657.2.cpp"
new file mode 100644
index 0000000..2686141
--- /dev/null
+++ "b/\320\267\320\260\320\264\320\260\320\275\320\270\320\2657.2.cpp"
@@ -0,0 +1,71 @@
+#include <iostream>
+
+using namespace std;
+
+void draw(int hight, char sym, int index1, int index2, char space) {
+
+    while (index1 <= hight) 
+    {
+
+        cout << string(index1, sym) << endl;  
+
+        index1++;
+
+    }
+
+    cout << endl;
+
+    while (index2 > 0) 
+    {
+
+        cout << string(index2, sym) << endl; 
+
+        index2--;
+
+    }
+
+    for(int i = 0; i <= hight; i++) 
+    {
+        cout<< string(hight-i, space);
+
+        cout<< string(i, sym) << endl;
+
+    }
+
+    cout << endl;
+
+    for(int i = hight; i > 0; i--) 
+    {
+
+        cout<< string(hight-i, space);
+
+        cout<< string(i, sym) << endl;
+
+    }
+
+}
+
+int main()
+ {
+
+    int hight, index1, index2;
+
+    char sym;
+
+    char space = ' ';
+
+    cout << "Enter height of triangle = ";
+
+    cin >> hight;
+
+    cout << "Enter sym of triangle = ";
+
+    cin >> sym;
+
+    index1=0;
+
+    index2=hight;
+
+    draw(hight, sym, index1, index2, space);
+    
+}
\ No newline at end of file