Thread: can't display values of the array

Q:Create an array having 10 elements of type int called lab1_array. Populate the arrayelements individually prompting the user each time for an integer value. Output the
values to the user after all 10 are inputted in the following format:
lab1_array[0] = 1
lab1_array[1] = 2
lab1_array[2] = 3
.
.
lab1_array[8] = 9
lab1_array[9] = 10

Code:

#include <stdio.h>
#include <stdlib.h>


int main()
{


    int lab1_array[9],i;






      for(i=0;i<10;++i){
          printf("Enter value : ");
          scanf("%d",&lab1_array[i]);


      }


    printf("lab1_array[%d] = %d \n",i,lab1_array[i]);




 return 0;


}

this is what I got so far and im lost .. guide me please T.T

Originally Posted by grumpy

Place the printf() statement in a loop. It is not in one.

it is still not correct as I get
lab1_array[10] = some big number

Look at how you got data into the array. You need to do the same thing to print each element of the array.

And if you have a 10-element array like you have here, then accessing element 10 of the array is undefined behavior. Valid indexes for a 10-element array range from 0 to 9.

Originally Posted by rags_to_riches

Look at how you got data into the array. You need to do the same thing to print each element of the array.

And if you have a 10-element array like you have here, then accessing element 10 of the array is undefined behavior. Valid indexes for a 10-element array range from 0 to 9.

thank you sir , I did what you said like this

Code:

#include <stdio.h>
#include <stdlib.h>


int main()
{


    int lab1_array[9],i;






      for(i=0;i<=9;++i){
          printf("Enter value : ");
          scanf("%d",&lab1_array[i]);


      }


    for(i=0;i<=9;++i){


          printf("lab1_array[%d] = %d \n",i,lab1_array[i]);
      }






 return 0;


}

everything is correct except the last array index value is wrong ??

this is the output im getting


as you can see the last array index is wrong ...what am I doing incorrectly ?

please anyone ... I just cant figure out why the last array index is wrong T.T

Originally Posted by hummingdev

please anyone ... I just cant figure out why the last array index is wrong T.T

do a < 10

instead of a 9 for your loops and increase your array index to 10

Originally Posted by raphaelriv

do a < 10

instead of a 9 for your loops

still the same output as above , the last index wrong

increase your index to 10

that's not what the question wants

Originally Posted by laserlight

What is your current code?

Code:

#include <stdio.h>
#include <stdlib.h>


int main()
{


    int lab1_array[9],i;






        for(i=0;i<=9;i++){
          printf("Enter value : ");
          scanf("%d",&lab1_array[i]);


      }


        for(i=0;i<=9;i++){


          printf("lab1_array[%d] = %d \n",i,lab1_array[i]);
      }






 return 0;


}

thank you so much for explaining it

but the problem still persist as I have

Code:

#include <stdio.h>
 #include <stdlib.h>

int main()
{
    int lab1_array[9], i;

    for (i = 0; i <10; i++) {
        printf("Enter value : ");
        scanf("%d", &lab1_array[i]);
    }

    for (i = 0; i <10; i++) {
        printf("lab1_array[%d] = %d \n", i, lab1_array[i]);
    }

    return 0;
}

but it is giving me the last array index value wrong