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RUSH on array

 
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RUSH on array
remix32
21 Jan, 2008 - 11:14 PM
Post #1

New D.I.C Head
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Joined: 21 Jan, 2008
Posts: 15
Here's the goal
to create a program that ask for the no. of student&print the horizontal histogram.
sample output:
No. of student:10
Test scores:50 41 42 49 48 50 44 46 47 45
histogram:
50-**
49-*
48-*
47-*
46-*
45-*
44-*
43-
42-*
41-*

i tried doing something but I'm a little bit confuse
CODE

#include<stdio.h>
main(){
int i,student,a[60],b[60],x;

    printf("Enter No. of student:");
    scanf("%d",&student);
    
    for(i=0;i<student;i++){
        printf("Enter score:");
        scanf("%d",a[i]);
        if(a[i]==a[i]){
            b[i]=a[i];
            }
        }
    for(i=50;i>=30;i--){
        for(x=0;x<student;x++){
        printf("%d",b[x]);
        }
    }
    }
            
    
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VernonDozier
RE: RUSH On Array
22 Jan, 2008 - 03:28 AM
Post #2

New D.I.C Head
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Joined: 6 Jan, 2008
Posts: 46
Well, it looks like you are storing the number of each score in the integer array b? In other words, if 3 students scored 45, then b[45] will equal 3 when you are done tallying scores? All scores must be between 30 and 50, inclusive? If this is correct, I would start by initializing the b array from 30 to 50 to 0, as in:

CODE

for (i = 30; i <= 50; i++)
     b[i] = 0;


You can change your tally code to something like this:

CODE

for(i=0;i<student;i++)
{
        printf("Enter score:");
        scanf("%d",a[i]);
        b[a[i]]++;
}


That would store all the score tallies in the b array and set up the b array for display purposes later in the program.
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