From 34973ca4da73160ba30502c48f43d489501272a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9F=D0=B0=D0=B2=D0=B5=D0=BB?=
 <92202960+rur7@users.noreply.github.com>
Date: Sun, 26 Dec 2021 16:21:05 +0300
Subject: [PATCH] Add files via upload

---
 "4_\320\233\320\260\320\261\320\260_4.cpp" | 50 ++++++++++++++++++
 "4_\320\233\320\260\320\261\320\260_5.cpp" | 57 +++++++++++++++++++++
 "4_\320\233\320\260\320\261\320\260_6.cpp" | 59 ++++++++++++++++++++++
 3 files changed, 166 insertions(+)
 create mode 100644 "4_\320\233\320\260\320\261\320\260_4.cpp"
 create mode 100644 "4_\320\233\320\260\320\261\320\260_5.cpp"
 create mode 100644 "4_\320\233\320\260\320\261\320\260_6.cpp"

diff --git "a/4_\320\233\320\260\320\261\320\260_4.cpp" "b/4_\320\233\320\260\320\261\320\260_4.cpp"
new file mode 100644
index 0000000..6c798ae
--- /dev/null
+++ "b/4_\320\233\320\260\320\261\320\260_4.cpp"
@@ -0,0 +1,50 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+int main()
+{
+    int x,y[0],s,s1,k,n,m,q,w,x1;
+    cout <<"Введите число: ";
+    if (cin>>x)
+    {
+        s=0;
+        x1=x;
+        while (x)
+        {
+            x=x/10;
+            s++;
+        }
+        k=0;
+        n=10;
+        m=1;
+        s1=0;
+        q=0;
+        w=0;
+        while (s!=s1)
+        {
+            y[k]=x1%n/m;
+            s1++;
+            n=n*10;
+            m=m*10;
+            q=y[k]%2;
+            if (q==0)
+            {
+                w=w+y[k];
+            }
+        }
+        cout <<endl<<"Сумма чётных чисел = "<<w;
+        return 0;
+        
+    }
+    else
+    {
+        goto eror;
+    }
+    eror:
+    cout <<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<< "Введённые символы некоректны";
+     return 0;
+     
+    return 0;
+}
\ No newline at end of file
diff --git "a/4_\320\233\320\260\320\261\320\260_5.cpp" "b/4_\320\233\320\260\320\261\320\260_5.cpp"
new file mode 100644
index 0000000..1cdeecf
--- /dev/null
+++ "b/4_\320\233\320\260\320\261\320\260_5.cpp"
@@ -0,0 +1,57 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+int main()
+{
+double x,y,z,D,f1,f2;
+cout <<"Введите переменную x : ";
+if (cin>>x)
+{
+    cout <<"Введите переменную y : ";
+    if (cin>>y)
+    {
+        cout <<"Введите переменную z : ";
+        if (cin>>z)
+        {
+            D=pow(y,2)-4*x*z;
+            cout <<"Дискриминант = "<<D<<endl<<endl;
+            if (D<0)
+            {
+                cout <<"Корней нет";
+                return 0;
+            }
+            if (D==0)
+            {
+                f1=-y/(2*x);
+                cout <<"Корень уравнения: "<<f1;
+                return 0;
+            }
+            if (D>0)
+            {
+                f1=(-y+pow(D,0.5))/(2*x);
+                f2=(-y-pow(D,0.5))/(2*x);
+                cout <<"Первый корень уравнения: "<<f1<<endl<<"Второй корень уравнения: "<<f2;
+                return 0;
+            }
+        }
+        else
+        {
+            goto eror;
+        }
+    }
+    else
+    {
+        goto eror;
+    }
+}
+else
+{
+    goto eror;
+}
+
+    eror:
+    cout <<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<< "Введённые символы некоректны";
+     return 0;
+}
\ No newline at end of file
diff --git "a/4_\320\233\320\260\320\261\320\260_6.cpp" "b/4_\320\233\320\260\320\261\320\260_6.cpp"
new file mode 100644
index 0000000..15fcf86
--- /dev/null
+++ "b/4_\320\233\320\260\320\261\320\260_6.cpp"
@@ -0,0 +1,59 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+
+int x,y,s,s1,f[0],x1,w,n,m,k;
+void fun ()
+{
+    while (s!=s1)
+    {
+        f[k]=x1%n/m;
+        s1++;
+        n=n*10;
+        m=m*10;
+        w=w*f[k];
+    }
+}
+
+
+int main()
+{
+zan:
+cout <<"Введите шестизначное число: ";
+if (cin>>x)
+{
+    x1=x;
+    s=0;
+    s1=0;
+    n=10;
+    m=1;
+    k=0;
+    w=1;
+    while (x)
+    {
+        x=x/10;
+        s++;
+    }
+    if (s==6)
+    {
+        fun ();
+        cout <<endl<<"Произведение цифр данного числа: "<<w;
+        return 0;
+    }
+    else
+    {
+        cout <<endl<<"Введено не шестизначное число"<<endl;
+        goto zan; 
+    }
+}
+else
+{
+    goto eror;
+}
+
+    eror:
+    cout <<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<< "Введённые символы некоректны";
+     return 0;
+}
\ No newline at end of file