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Program: Implementation of descending order
#include<stdio.h>
int main()
{
int a[100],n,i,j,temp;
printf("Enter array elements\n");
scanf("%d",&n);
printf("Enter elements \n");
for(i=0;i<n;i++)
{
scanf("%d",&a[i]);
}
// loop for sorting
for(i=0;i<n;i++)
{
for(j=i+1;j<n;j++)
{
if(a[i]<a[j])
{
temp = a[i];
a[i] = a[j];
a[j] = temp;
}
}
}
printf("\nAfter sorting in descending order \n");
for(i=0;i<n;i++)
{
printf("%d\t",a[i]);
}
return 0;
}Output
Enter array elements
5
Enter elements
4 5 3 9 10
After sorting
10 9 5 4 3Program: Implementation of ascending order
#include<stdio.h>
int main()
{
int a[100],n,i,j,temp;
printf("Enter array elements\n");
scanf("%d",&n);
printf("Enter elements \n");
for(i=0;i<n;i++)
{
scanf("%d",&a[i]);
}
// loop for sorting
for(i=0;i<n;i++)
{
for(j=i+1;j<n;j++)
{
if(a[i]>a[j])
{
temp = a[i];
a[i] = a[j];
a[j] = temp;
}
}
}
printf("\nAfter sorting in ascending order \n");
for(i=0;i<n;i++)
{
printf("%d\t",a[i]);
}
return 0;
}Output
Enter array elements
5
Enter elements
45 32 1 67 40
After sorting in ascending order
1 32 40 45 67Program: To find Second biggest number in array
#include<stdio.h>
int main()
{
int a[100],n,i,j,temp;
printf("Enter array elements\n");
scanf("%d",&n);
printf("Enter elements \n");
for(i=0;i<n;i++)
{
scanf("%d",&a[i]);
}
// loop for sorting
for(i=0;i<n;i++)
{
for(j=i+1;j<n;j++)
{
if(a[i]<a[j])
{
temp = a[i];
a[i] = a[j];
a[j] = temp;
}
}
}
printf("Second biggest number is %d",a[1]);
return 0;
}Output
Enter array elements
5
Enter elements
45 67 90 1 40
Second biggest number is 67Program: To find mean, median and mode
How to find the mean
- Add up all numbers
- Divide the sum by number of values
How to find the median
- Arrange the numbers from smallest to largest
- The number in the middle is the median, If there are two middle numbers, add them and divide by two.
How to find the mode
The most frequent number
#include <stdio.h>
// function to sort the array in ascending order
void Array_sort(int *array , int n)
{
// declare some local variables
int i=0 , j=0 , temp=0;
for(i=0 ; i<n ; i++)
{
for(j=i+1 ; j<n ; j++)
{
if(array[i]>array[j])
{
temp = array[i];
array[i] = array[j];
array[j] = temp;
}
}
}
printf("\nThe array after sorting is..\n");
for(i=0 ; i<n ; i++)
{
printf("\narray_1[%d] : %d",i,array[i]);
}
}
float Find_mean(int arr[], int n){
float sum = 0;
int i=0;
for(i = 0;i < n; i++)
sum += arr[i];
return sum/n;
}
// function to calculate the median of the array
float Find_median(int array[] , int n)
{
float median=0;
// if number of elements are even
if(n%2 == 0)
median = (array[(n-1)/2] + array[n/2])/2.0;
// if number of elements are odd
else
median = array[n/2];
return median;
}
//finding mode of ungrouped data
float Find_mode( int arr[], int n){
//finding max frequency
int max_count = 1, res = arr[0], count = 1;
for (int i = 1; i < n; i++) {
if (arr[i] == arr[i - 1])
count++;
else {
if (count > max_count) {
max_count = count;
res = arr[i - 1];
}
count = 1;
}
}
// when the last element is most frequent
if (count > max_count)
{
max_count = count;
res = arr[n - 1];
}
return res;
}
int main()
{
// declare int arrays
int array_1[30] = {0};
// declare some local variables
int i=0 ,n=0;
float median=0;
float mean =0;
float mode =0;
printf("\nEnter the number of elements for the array : ");
scanf("%d",&n);
printf("\nEnter the elements for array_1..\n");
for(i=0 ; i<n ; i++)
{
printf("array_1[%d] : ",i);
scanf("%d",&array_1[i]);
}
mean = Find_mean(array_1,n);
// Sort the array in ascending order
Array_sort(array_1 , n);
// Now pass the sorted array to calculate
// the median of your array.
median = Find_median(array_1 , n);
mode = Find_mode(array_1,n);
printf("\n\n The mean is:%f\n",mean);
printf("\n\nThe median is : %f\n",median);
printf("\n\nThe mode is : %f\n",mode);
return 0;
}Output
Enter the number of elements for the array : 6
Enter the elements for array_1..
array_1[0] : 9
array_1[1] : 3
array_1[2] : 1
array_1[3] : 8
array_1[4] : 3
array_1[5] : 6
The array after sorting is..
array_1[0] : 1
array_1[1] : 3
array_1[2] : 3
array_1[3] : 6
array_1[4] : 8
array_1[5] : 9
The mean is:5.000000
The median is : 4.500000
The mode is : 3.000000Views: 0