Programming sheet 150 solutions

PS-Sprint-1/1.c++

@@ -0,0 +1,25 @@
+#include <iostream>
+using namespace std;
+int check(int n)
+{
+    if(n%2==0)
+    {
+        return true;
+    }else
+    {
+        return false;
+    }
+}
+int main()
+{
+    int n;
+    cout<<"Enter a number to check";
+    cin>>n;
+    if(!check(n))
+    {
+        cout<<"odd";
+    }else
+    {
+        cout<<"even";
+    }
+}

PS-Sprint-1/2.c++

@@ -0,0 +1,34 @@
+#include <iostream>
+using namespace std;
+int check(int n)
+{
+    int count=0;
+    for(int i=2;i<=n/2;i++)
+    {
+        if(n%i==0)
+        {
+            count++;
+        }
+
+    }
+    if(count>0)
+    {
+        return true;
+    }else
+    {
+        return false;
+    }
+}
+int main()
+{
+    int n;
+    cout<<"Enter a number to check : ";
+    cin>>n;
+    if(check(n))
+    {
+        cout<<"non-prime";
+    }else
+    {
+        cout<<"prime";
+    }
+}

PS-Sprint-1/3.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+using namespace std;
+int check(int n)
+{
+   if(n%4==0&& n%100!=0||n%400==0)
+   {
+
+        return true;
+
+   }else
+   {
+    return false;
+   }
+}
+int main()
+{
+    int n;
+    cout<<"Enter a year to check : ";
+    cin>>n;
+    if(check(n))
+    {
+        cout<<"Leap Year";
+    }else
+    {
+        cout<<"Not a leap year";
+    }
+}

PS-Sprint-1/4.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+using namespace std;
+int check(int n)
+{
+    int digit,sum =0;
+    while(n!=0)
+    {
+        digit = n% 10;
+        sum = sum + digit*digit*digit;
+        n= n/10;
+
+    }
+    cout<<sum<<endl;
+    return sum;
+}
+int main()
+{
+    int n;
+    cout<<"Enter a number : ";
+    cin>>n;
+    int result = check(n);
+    cout<<n<<endl;
+    if(result == n)
+    {
+        cout<<"It's an armstrong number";
+    }else
+    {cout<<"It's not an armstrong number";}
+    return 0;
+}

PS-Sprint-1/5.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+using namespace std;
+void series(int n)
+{
+    int t1=0,t2=1,prev=0,current=0;
+
+    for(int i=1;i<=n;i++)
+    {
+        if(i==1)
+        {
+            cout<<t1<<" ";
+        }
+        if(i==2)
+        {
+            cout<<t2<<" ";
+        }
+        current = t1 +t2;
+        t1=t2;
+        t2 =current;
+
+        cout<<current<<" ";
+    }
+
+
+}
+int main()
+{
+    int n;
+    cout<<"Enter limit";
+    cin>>n;
+    series(n);
+    return 0;
+}