THMMY.gr

a ********

b ****

e ************

z *

Most frequent: e; 12 time(s).

Least frequent: z; 1 time(s).

#include <stdio.h>

int main() {
    char ch='\0';
	int i=0,max=0,min=0;
	unsigned int counter[256]={0};
    //read a line of characters until ! is given
	while (ch!='!')
    {
	    scanf("%c",&ch);
	    i=(int)ch;
	    counter[i]++;
	}

	int j,k;

	for(j=0;j<256;++j)
	{
	    if(counter[j]>0&&j!=33)//we don't want to calculate the amount of times the char ! was typed or calculate it towards the min or max
        {
	    printf ("%c ",j);

	    for(k=0;k<counter[j];++k)//Print the correct amount of stars
        {
	    printf("*");
	    }

	    printf("\n");
        //calculate the min and max
        if(min==0||min>counter[j])
        {
            min=counter[j];
        }
        if(counter[j]>max)
        {
            max=counter[j];
        }

        }

	}
	//print all the most and least frequent characters
	printf("Most Frequent:");
	for(j=0;j<256;++j){
        if(counter[j]==max&&j!=33)
            printf(" %c ;",j);
	}
	printf(" %d time(s)\n",max);
	printf("Least Frequent:");
	for(j=0;j<256;++j){
        if(counter[j]==min&&j!=33)
            printf(" %c ;",j);
	}
	printf(" %d time(s)\n",min);
    return 0;
}