K&R C Program Exercise 1-14

K and R solutions to print a histogram of the frequencies of different characters in its input. K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Read more about C Programming Language .

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#include
#include

#define HISTLEN 15 /*max length of histogram */
#define CHARLENGTH 128 /*max different characters */

/* print horizontal histogram freq. of different characters */
main()
{
int c,i;
int len; /*length of each bar */
int maxvalue; /*maximum value for cc[] */
int cc[CHARLENGTH]; /*character counters*/

for(i=0;imaxvalue)
maxvalue=cc[i];
for(i=1;i0) {
if((len = cc[i]*HISTLEN/maxvalue)<=0)
len=1;
}
else
len=0;
while(len>0)
{
putchar(*);
--len;
}
putchar('n');
}
}
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