update

C++/Program -1/Program.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+using namespace std;
+#include<bits/stdc++.h>
+int main() {
+	cout<<"Enter the number of elements "<<endl;
+	int n;
+	cin>>n;//Input the size of array
+	int arr[n];
+	int min=INT_MAX;
+	int max=INT_MIN;
+	cout<<"Enter the elements"<<endl;
+	for(int i=0;i<n;++i)//Input the elements of array
+	{   
+	    cin>>arr[i];
+	    if(arr[i]<min)//if current element is less than min 
+	        min=arr[i];//min is updated
+	    if(arr[i]>max)//if current element is greater than max
+	        max=arr[i];//max is updated
+	}
+	cout<<"Minimum element is:"<<min<<endl;
+	cout<<"Maximum element is:"<<max<<endl;
+	return 0;
+}

C++/Program -1/README

@@ -0,0 +1,9 @@
+Program 1
+
+Write a program to find the maximum and minimum element in an array.
+
+Variable description--
+n=Number of elements in an array
+arr=Array of size n
+min= Holds the minimum element
+max=Holds the maximum element

C++/Program-2/Readme.md

@@ -0,0 +1,7 @@
+Program 2:
+
+Write a Program to find the number of occurrence of X element present in sorted array.
+Variable description-->
+n = size of array/ number of element 
+x = Element to be counted in array
+count = veriable to count the X-number in array

C++/Program-2/number_of_occurrence.cpp

@@ -0,0 +1,42 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+class Solution{
+public:
+
+/*
+ if x is present in arr[] then returns the count
+ of occurrences of x, otherwise returns 0. 
+*/
+
+int count(int arr[], int n, int x) {
+
+	int count = 0;
+	for(int i=0;i<n;i++){
+	if(arr[i] == x){
+	count++;
+}
+}
+return count;
+}
+};
+
+
+
+int main() {
+
+        int n, x;
+        cout<<"Enter the size of an Array: ";
+        cin >> n ;
+        cout<<"Enter a number to be counted: ";
+        cin>>x;
+        int arr[n];
+        for (int i = 0; i < n; i++) {
+            cin >> arr[i];
+        }
+        Solution ob;
+        auto ans = ob.count(arr, n, x);
+        cout<< "number "<<x<<" counted in array for " << ans <<" times."<< "\n";
+    return 0;
+}

C++/Program-3/Readme.md

@@ -0,0 +1,4 @@
+Program to Swap the Kth Elements of a series.
+variable description -->
+n = number of elements/size
+k = Kth element for swaping

C++/Program-3/swap_kth_Element.cpp

@@ -0,0 +1,45 @@
+#include<iostream>
+
+using namespace std ;
+
+void takeInput(int a[], int n){
+    for(int i=1;i<=n;i++){
+        cin>>a[i];
+    }
+}
+
+void swap_k(int a[], int n, int k){
+
+    int i , count = n ;
+    for(i=1 ; i<=n ,  count >= 1 ; i++ , count--){
+
+        if(k == i || k == count){
+            swap(a[k],a[count]);
+        }
+
+    }
+
+    for(i=1;i<=n;i++){
+        cout<<a[i]<<" " ;
+    }
+}
+
+int main()
+{
+
+    int n;
+    cout<<"Enter size of an Array:";
+    cin>>n ;
+
+    int k; 
+    cout<<"Enter Kth element to swap:";
+    cin>>k ;
+
+    int a[1000];
+    takeInput(a,n);
+
+    swap_k(a,n,k);
+    cout<<"\n";
+
+    return 0;
+}

C/Program-49/README.md

@@ -0,0 +1,8 @@
+Program 49
+
+Write a program to find the sum of the digits of the given number.
+
+Variable description--
+num=Number
+sum= Holds the sum 
+dig=Holds the single digit of the number

C/Program-49/program.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main() {
+
+	int n;
+	printf("Enter the number");
+	int num;
+	scanf("%d",&num);//Enter the number 
+	int sum=0,dig=0;
+	while(num>0)
+	{
+	    dig=num%10;
+	    sum+=dig;
+	    num/=10;
+	}
+	printf("The sum of digits of a number is: %d",sum);
+	return 0;
+}

C/Program-52/README.md

@@ -0,0 +1,4 @@
+Program 52
+
+Write a program to find whether the given element is present in the array or not.
+

C/Program-52/program.c

@@ -0,0 +1,39 @@
+#include <stdio.h>
+
+int main() {
+	int n;//number of elements of array;
+	printf("Enter the number of elements");
+	scanf("%d",&n);
+	int arr[n];
+	printf("\nEnter the elements");
+	for(int i=0;i<n;i++)
+	scanf("%d",&arr[i]);
+	int x;
+	printf("\nEnter the key to search");
+	scanf("%d",&x);
+	int l=0,r=n-1,m=0;
+	   int f=1;
+	while (l <= r) 
+	{ 
+         m = l + (r - l) / 2; 
+
+        // Check if x is present at mid 
+        if (arr[m] == x) 
+            {
+              printf("\nElement found");
+              f=0;
+              break;
+            } 
+
+        // If x greater, ignore left half 
+        if (arr[m] < x) 
+            l = m + 1; 
+
+        // If x is smaller, ignore right half 
+        else
+            r = m - 1; 
+    } 
+    if(f==1)
+    printf("\nElement not found");
+	return 0;
+}

C/README.md

@@ -48,6 +48,7 @@
 | Program-44 | Program for implementation of the approach |
 | Program-45 | Program to illustrate the above given pattern of numbers. |
 | Program-46 | Program to convert binary number to decimal |
+| Program-47 | Program to print kaprekar number in a given range  |
 
 
 

C/program-18/program.c

@@ -13,8 +13,8 @@ int main()
     c=c+(a*a*a);  
     }  
     if(temp==c)  
-    printf("armstrong number");   
+    printf("armstrong number\n");
     else  
-    println("Not armstrong number");
+    printf("Not armstrong number\n");
     return 0;
 }

C/program-2/program.c

@@ -15,15 +15,15 @@ return 1;
 int main() /*main function */
 {
     int n;
-    printf("enter the number");
+    printf("Enter the number:");
     scanf("%d",&n);
     if(isprime(n)==0)
     {
-        printf(" not prime");
+        printf("%d is not prime number.",n);
     }
     else if(isprime(n)==1)
     {
-        printf("prime");
+        printf("%d is a prime number.",n);
     }
     return 0;
-    }
+}

C/program-25/readme.txt

@@ -0,0 +1,6 @@
+This program is to print the number of *. Example if user enter 5. Then it'll print
+*
+**
+***
+****
+*****

C/program-31/program.c

@@ -14,9 +14,9 @@ int main()
     {
         printf("Enter the details of student - %d\n",i);
         printf("Enter the name of the student\n");
-       scanf("%s",&stud[i].n);
+        scanf("%s",stud[i].n);
         printf("Enter USN\n");
-        scanf("%s",&stud[i].u);
+        scanf("%s",stud[i].u);
         printf("Enter total marks\n");
         scanf("%d",&stud[i].m);
     }
@@ -27,9 +27,9 @@ int main()
     }
     printf("Enter the details of new student\n");
     printf("Enter the name\n");   //preferred to enter equal length of name
-    scanf("%s",&stud2.n);
+    scanf("%s",stud2.n);
     printf("Enter the USN\n");
-    scanf("%s",&stud2.u);
+    scanf("%s",stud2.u);
     printf("Enter the marks\n");
     scanf("%d",&stud2.m);
     printf("enter position\n");

C/program-32/program.c

@@ -7,16 +7,16 @@ int m;
 }stud[10],stud2;
 int main()
 {
-    int n,i,p=0;
+    int n,i=0;
     printf("Enter the number of student\n");
     scanf("%d",&n);
     for(i=1;i<=n;i++)
     {
         printf("Enter the details of student - %d\n",i);
         printf("Enter the name of the student\n");
-       scanf("%s",&stud[i].n);
+       scanf("%s",stud[i].n);
         printf("Enter USN\n");
-        scanf("%s",&stud[i].u);
+        scanf("%s",stud[i].u);
         printf("Enter total marks\n");
         scanf("%d",&stud[i].m);
     }

C/program-33/program.c

@@ -1,6 +1,7 @@
 /* Arithematic operation using pointers */
 #include <stdio.h>
-void main()
+#include <stdlib.h>
+int main()
 {
 int a,b;
 int *x,*y;
@@ -9,6 +10,6 @@ x=&a;
 y=&b;
 //s=;
 printf("%d\t%d",*x+*y,abs(*x-*y));
-
+return 0;
 }
 

C/program-37/program.c

@@ -11,15 +11,13 @@ int f;
 
     if(n==0 || n==1)
     {
-
-         return ;
+        return 1;
     }
     else
     {
         f=fib(n-2)+fib(n-1);
     }
-
-
+    return f;
 }
 
 int main()

C/program-38/program.c

@@ -11,15 +11,13 @@ int f;
 
     if( n==1)
     {
-
-         return ;
+        return 1;
     }
     else
     {
         f=n*fact(n-1);
     }
-
-
+    return f;
 }
 
 int main()