Question

Language: C Programming, Please leave as many comments as possible!

Create a program that has a menu as shown:

1. Generate 500 Random Numbers between 1 and 500

2. Show Current Set of Random Numbers ordered from Low To High

3. Show Frequency of each number from 1 to 500

4. Quit

The program will store all random number in an array on the heap.

Answer 1

#include<stdio.h>
#include<stdlib.h>

void sort(int values[], int numValues){
       int i, j;
       int temp;
       // outer loop to travel through the all elements
       for (i = 0; i < numValues - 1; i++) {
           // inner loop to compare the outer loop elements
          
           for (j = 0; j < numValues - i - 1; j++)
               // if element at j< than j+1 than swap both
               if (values[j] > values[j + 1]) {
                   // swap logic
                   temp = values[j];
                   values[j] = values[j+1];
                   values[j+1] = temp;
               }
      
       }
      
   }
int main(){
//array to store elements
int * arr=(int *)calloc(sizeof(int),500),n;
//array to store frequency of each element
int * counter=(int *)calloc(sizeof(int),500);
//iterating throgh 1-500 to generate random numbers
for(int i=0;i<500;i++){
   n=rand()%500;
   arr[i]=n;
   counter[n]++;
}
//sorting the generated values
sort(arr,500);
//printing the values
for(int i=0;i<500;i++)
   printf("%d ",arr[i]);
//pritning the frequency
printf("\nFrequency:\n");
printf("Number\tFrequency\n");
for(int i=0;i<500;i++)
if(counter[i]!=0)
   printf("%d\t%d\n",arr[i],counter[i]);

}

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