//Lab 2
//Array
1.
#include<stdio.h>
#include<conio.h>
int main()
{
    int a[50], b[50], c[100], limitA, limitB, i, j, limitC, temp;
    printf("How many elements you want to store in array A: ");
    scanf("%d", &limitA);
    printf("How many elements you want to store in array B: ");
    scanf("%d", &limitB);
    printf("Enter %d elements in array A:", limitA);
    for(i=0; i<limitA; i++)
        scanf("%d", &a[i]);
    printf("Enter %d elements in array B:", limitB);
    for(i=0; i<limitB; i++)
        scanf("%d", &b[i]);

    // merging the two arrays
    for(i=0; i<limitA; i++)
    {
        c[i] = a[i];
    }
    for(j=0; j<limitB; j++)
    {
        c[i] = b[j];
        i++;
    }
    limitC = i;
    // sorting the merged array
    for(j=0; j<(limitC-1); j++)
    {
        for(i=0; i<(limitC-1); i++)
        {
            if(c[i]>c[i+1])
            {
                temp = c[i];
                c[i] = c[i+1];
                c[i+1] = temp;
            }
        }
    }
    printf("\n\nElements of Array C are:\n");
    for(i=0; i<limitC; i++)
    {
        if(i==(limitC-1))
            printf("%d", c[i]);
        else
            printf("%d, ", c[i]);
    }
    getch();
    return 0;
}
//2. Binary search:
#include <stdio.h>
int main()
{
    int i, low, high, mid, n, key, array[100];
    printf("Enter number of elements:");
    scanf("%d",&n);
    printf("Enter %d integers:", n);
    for(i = 0; i < n; i++)
        scanf("%d",&array[i]);
    printf("Enter value to find:");
    scanf("%d", &key);
    low = 0;
    high = n - 1;
    mid = (low+high)/2;
    while (low <= high)
    {
        if(array[mid] < key)
            low = mid + 1;
        else if (array[mid] == key)
        {
            printf("%d found at location %d", key, mid+1);
            break;
        }
        else
            high = mid - 1;
        mid = (low + high)/2;
    }
    if(low > high)
        printf("Not found! %d isn't present in the list", key);
    return 0;
}





//Function:
1. #include <stdio.h>

  //Function declaration
 float areaOfcircle(float radius_circle){
   float area_circle;
   area_circle = 3.14 * radius_circle * radius_circle;

   return area_circle;
}


  int main() {
    float radius;

    // take radius as input
    printf("Enter the radius of circle : ");
    scanf("%f", &radius);

    printf("Area of circle : %.2f", areaOfcircle(radius));
    printf("\n");

   return 0;
}

2.
#include <stdio.h>
int maxValue(int a[], int n) {
  int c, index = 0;

  for (c = 1; c < n; c++)
    if (a[c] > a[index])
      index = c;

  return index;
}

int main() {
  int c, array[100], size, location, maximum;

  printf("Input number of elements in array:");
  scanf("%d", &size);

  printf("Enter %d integers :\n", size);

  for (c = 0; c < size; c++)
    scanf("%d", &array[c]);


  maximum  = array[maxValue(array, size)];

  printf("Maximum element is=%d", maximum);
  return 0;
}