#define MAXVAL 50
#define COUNTER 11
main()
{
floatvalue[MAXVAL];
int i, low, high;
int group[COUNTER] = {0,0,0,0,0,0,0,0,0,0,0};
/* . . . . . . . .READING AND COUNTING . . . . . .*/
for( i = 0 ; i < MAXVAL ; i++ )
{
/*. . . . . . . .READING OF VALUES . . . . . . . . */
scanf("%f", &value[i]) ;
/*. . . . . .COUNTING FREQUENCY OF GROUPS. . . . . */
++ group[ (int) ( value[i] + 0.5 ) / 10] ;
}
/* . . . .PRINTING OF FREQUENCY TABLE . . . . . . .*/
printf("\n");
printf(" GROUP RANGE FREQUENCY\n\n") ;
for( i = 0 ; i < COUNTER ; i++ )
{
low = i * 10 ;
if(i == 10)
high = 100 ;
else
high = low + 9 ;
printf(" %2d %3d to %3d %d\n",
i+1, low, high, group[i] ) ;
}
}
Output
43 65 51 27 79 11 56 61 82 09 25 36 07 49 55 63 74
81 49 37 40 49 16 75 87 91 33 24 58 78 65 56 76 67
45 54 36 63 12 21 73 49 51 19 39 49 68 93 85 59
GROUP RANGE FREQUENCY
1 0 to 9 2
2 10 to 19 4
3 20 to 29 4
4 30 to 39 5
5 40 to 49 8
6 50 to 59 8
7 60 to 69 7
8 70 to 79 6
9 80 to 89 4
10 90 to 99 2
11 100 to 100 0
[/Code]