// Displaying a histogram.
#include <stdio.h>
#define SIZE 10
// function main begins program execution
int main( void )
{
// use initializer list to initialize array n
int n[ SIZE ] = { 19, 3, 15, 7, 11, 9, 13, 5, 17, 1 };
size_t i; // outer for counter for array elements
int j; // inner for counter counts *s in each histogram bar
printf( "%s%13s%17s\n", "Element", "Value", "Histogram" );
// for each element of array n, output a bar of the histogram
for ( i = 0; i < SIZE; ++i ) {
printf( "%7u%13d ", i, n[ i ]) ;
for ( j = 1; j <= n[ i ]; ++j ) { // print one bar
printf( "%c", '*' );
} // end inner for
puts( "" ); // end a histogram bar
} // end outer for
} // end main
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