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ArithematicOperations_1DArray.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+int main()
+{
+    int a[100], i, n, sum_even, sum_odd, avg;
+    printf("Enter Number of Elements in array A : ");
+    scanf("%d", &n);
+    printf("\nEnter Elements in ARRAY A: ");
+    for (i = 0; i < n; i++)
+    {
+        scanf("%d", a[i]);
+    }
+    sum_odd = 0;
+    sum_even = 0;
+    avg = 0;
+    for (i = 0; i < n; i++)
+    {
+        if (a[i] % 2 == 0)
+        {
+            sum_even += a[i];
+        }
+        else
+        {
+            sum_odd += a[i];
+        }
+    }
+    avg = (sum_even + sum_odd) / n;
+    printf("Sum of odd Number in the Array: %d \n", sum_odd);
+    printf("Sum of Even Number in the Array: %d \n", sum_even);
+    printf("Average of Numbers in the Array: %d \n", avg);
+    return 0;
+}

Factorial_Recursion.c

@@ -0,0 +1,19 @@
+#include<stdio.h>
+int fact(int a)
+{
+    if(a>=1)
+    {
+        return a*fact(a-1);
+    }
+    else{
+        return 1;
+    }
+}
+int main()
+{
+    int n;
+    printf("Enter Number to find Factorial of:   ");
+    scanf("%d",&n);
+    printf("Factorial of %d is %d",n,fact(n));
+    return 0;
+}

Factorial_do-while.c

@@ -0,0 +1,17 @@
+#include<stdio.h>
+int main()
+{
+    int n,i,fact;
+    fact=1;
+    printf("Enter Number to find the Factorial of : ");
+    scanf("%d",&n);
+    i=n;
+    do
+    {
+        fact=fact*i;
+        i--;
+    }
+    while(i>0);
+    printf("Factorial of %d is %d",n,fact);
+    return 0;
+}

GCD_Functions.c

@@ -0,0 +1,25 @@
+#include<stdio.h>
+int hcf(int a,int b)
+{
+    int min,i;
+    min=a>b?a:b;
+    for(i=min;i>0;i--)
+    {
+        if(a%i==0&&b%i==0)
+        {
+            break;
+        }
+    }    
+    return i;
+}
+int main()
+{
+    int a,b,gcd;
+    printf("Enter First Number: ");
+    scanf("%d",&a);
+    printf("Enter Second Number: ");
+    scanf("%d",&b);
+    gcd=hcf(a,b);
+    printf("\nGCD of %d and %d is %d",a,b,gcd);
+
+}

GCD_forLOOP.c

@@ -0,0 +1,15 @@
+#include<stdio.h>
+int main()
+{
+    int a,b,i,hcf;
+    printf("Enter First Number:  ");
+    scanf("%d",&a);
+    printf("Enter Second Number:  ");
+    scanf("%d",&b);
+    for(i=2;(i<=a)||(i<=b);i++)
+    {
+        (a%i==0)&&(b%i==0)?hcf=i:hcf=0;
+    }
+    printf("HCF of %d and %d is %d",a,b,hcf);
+    return 0;
+}

Greatest_TernaryOperator.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+int main()
+{
+    int a, b, c, comp;
+    printf("Comparing 3 Numbers \n");
+    printf("\nEnter First Number: ");
+    scanf("%d", &a);
+    printf("\nEnter Second Number: ");
+    scanf("%d", &b);
+    printf("\nEnter Third Number: ");
+    scanf("%d", &c);
+    comp = (a > b && a > c) ? printf("%d is Greatest among all \n", a) : (b > a && b > c) ? printf("%d is gratest among all \n", b)
+                                                                                          : printf("%d is greatest among all\n", c);
+    return 0;
+}

LCM_functions.c

@@ -0,0 +1,25 @@
+#include<stdio.h>
+int lcm(int a,int b)
+{
+    int max,i;
+    max=a>b?a:b;
+    for(i=max;i>0;i=i+max)
+    {
+        if(a%i==0&&b%i==0)
+        {
+            break;
+        }
+    }
+    return i;
+}
+int main()
+{
+    int x,y,lcmul;
+    printf("Enter First Number : ");
+    scanf("%d",&x);
+    printf("Enter Second Number : ");
+    scanf("%d",&y);
+    lcmul=lcm(x,y);
+    printf("LCM of %d and %d is %d",x,y,lcmul);
+    return 0;
+}

Linear_Search.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+int main()
+{
+    int a[100], n, i, check, b;
+    printf("Enter Number of Elements in a Array: ");
+    scanf("%d", &n);
+    printf("\n Enter Elements in Array\n");
+    for (i = 0; i < n; i++)
+    {
+        scanf("%d", &a[i]);
+    }
+    printf("Enter Number to Search for: ");
+    scanf("%d", &check);
+    for (i = 0; i < n; i++)
+    {
+        if (a[i] == check)
+        {
+            b = i;
+            break;
+        }
+    }
+    printf(" \n %d is Found at %d position in Array ", check, i + 1);
+    return 0;
+}

Pallindrome.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+int main()
+{
+    int a, reverese, i, remainder, temp;
+    reverese = 0;
+    printf("Enter Number to check for:  ");
+    scanf("%d", &a);
+    temp = a;
+    while (a != 0)
+    {
+        remainder = a % 10;
+        reverese = reverese * 10 + remainder;
+        a = a / 10;
+    }
+    printf("Reverese of %d is : %d \n", temp, reverese);
+    if (temp == reverese)
+    {
+        printf("%d is a Pallindrome", temp);
+    }
+    else
+    {
+        printf("%d is not a Pallindrome", temp);
+    }
+    return 0;
+}

PerimeterArea_Circle.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+int main()
+{
+    float r;
+    float pi = 3.14;
+    printf("Enter Radius of Circle:  ");
+    scanf("%f", &r);
+    printf("Perimeter of Circle: %f ", 2 * pi * r);
+    printf("Area of Circle: %f", pi * r * r);
+    return 0;
+}

Prime_Composite_functions.c

@@ -0,0 +1,22 @@
+#include<stdio.h>
+int check(int a)
+{
+    int i,count;
+    count=0;
+    for(i=2;i<a;i++)
+    {
+        if(a%i==0)
+        {
+            count+=1;
+        }
+    }
+    count>0?printf("%d is a Composite Number",a):printf("%d is a Prime Number",a);
+}
+int main()
+{
+    int a;
+    printf("Enter Number to Check for Prime or Composite:  ");
+    scanf("%d",&a);
+    check(a);
+    return 0;
+}

Prime_Composite_recursion.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+int check(int a)
+{
+    int i;
+    if (i == 1)
+    {
+        return 1;
+    }
+    else
+    {
+        if (a % i == 0)
+        {
+            return 0;
+        }
+        else
+        {
+            i = i - 1;
+            check(a);
+        }
+    }
+}
+int main()
+{
+    int a, b;
+    printf("Enter Number to check for Prime or Composite:  ");
+    scanf("%d", &a);
+    b = check(a);
+    if (b == 1)
+    {
+        printf("\nPrime Number!!\n");
+    }
+    else
+    {
+        printf("Composite Number!!\n");
+    }
+    return 0;
+}

Recursion_HW.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+int printHW(int count)
+{
+    if (count == 0)
+    {
+        return 0;
+    }
+    printf("Hello World\n");
+    printHW(count - 1);
+}
+int main()
+{
+    int n;
+    printf("Enter Number of Times to print HW:  ");
+    scanf("%d", &n);
+    printHW(n);
+}

SumUptoN.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+int main()
+{
+    int n, sum, temp;
+    sum = 0;
+    printf("Enter Number upto which sum is required : ");
+    scanf("%d", &n);
+    temp = n;
+    while (n >= 0)
+    {
+        sum = sum + n;
+        n -= 1;
+    }
+    printf("Sum of %d Natural Number is %d", temp, sum);
+    return 0;
+}

Swap_CallbyReference.c

@@ -0,0 +1,20 @@
+#include<stdio.h>
+int swap(int *a,int *b)
+{
+    int temp;
+    temp=*a;
+    *a=*b;
+    *b=temp;
+}
+int main()
+{
+    int a,b;
+    printf("Enter First Number: ");
+    scanf("%d",&a);
+    printf("Enter Second Number: ");
+    scanf("%d",&b);
+    printf("Before Swapping... \n A= %d and B= %d",a,b);
+    swap(&a,&b);
+    printf("\n After Swapping... \n A=%d and B=%d",a,b);
+    return 0;
+}

Swap_CallbyValue.c

@@ -0,0 +1,20 @@
+#include<stdio.h>
+int swap(int x,int y)
+{
+    int temp;
+    temp=x;
+    x=y;
+    y=temp;
+    printf("After Swapping A=%d and B= %d",x,y);
+}
+int main()
+{
+    int a,b;
+    printf("Enter First Number:  ");
+    scanf("%d",&a);
+    printf("Enter Second Number:  ");
+    scanf("%d",&b);
+    printf("\n Before Swapping A=%d and B=%d  \n",a,b);
+    swap(a,b);
+    return 0;
+}