subscripted value is neither array nor pointer nor vector in c

Question

how remove this error tried everything.... this program is about finding 5 closest number from a array... in main part i simply take array, num and size and passes through the function

void printclosest(int arr[], int x, int n)
{
int diff[30];
int i,j,k,p,a;
 for (i = 0; i < n; ++i)
    {
        for (j = i + 1; j < n; ++j)
        {
            if (arr[i] > arr[j])
            {
                a =  arr[i];
                arr[i] = arr[j];
                arr[j] = a;
            }
        }
    }

for(i=0;i<n;i++)
{
diff[i]=abs(a[i]-x);

}


for (k = 0; k < n; ++k)
    {
        for (p = k + 1; p < n; ++p)
        {
            if (diff[k] > diff[p])
            {
                a =  arr[k];
                arr[k] = arr[p];
                arr[p] = a;
            }
        }
    }
    for(i=0;i<5;i++)
  { printf("%d",arr[i]);
   }
    }

Please give some more detail about what you expect to happen. And please format your code properly. — Martze
– Martze, Commented Apr 23, 2015 at 6:12
First of all, please format your code so it's readable. Second of all, the compiler should be telling you what line the error is on. What line is it? — rost0031
– rost0031, Commented Apr 23, 2015 at 6:13
@Martze You are given a sorted list of N numbers and a number Num. Write a program to find the five numbers that are closest (numerically) to Num. A number x in the array is closest to Num if |Num-x| is the smallest among all such x possible. Note: If the Num is present in given list, then it should be in the output. — avenger
– avenger, Commented Apr 23, 2015 at 6:17

2501 · Accepted Answer · 2015-04-23 06:10:45Z

3

a is declared as int, yet you try to use it as an array here:

diff[i]=abs(a[i]-x);

answered Apr 23, 2015 at 6:10

2501

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5 Comments

avenger Over a year ago

thanks buddy for help it compiled but i think my logic is incorrect i tried to get 5 closest numbers from array can you tell me where i went wrong

2501 Over a year ago

@avenger Post a new question, include the details and format the code. And read this: stackoverflow.com/help/how-to-ask

avenger Over a year ago

You are given a sorted list of N numbers and a number Num. Write a program to find the five numbers that are closest (numerically) to Num. A number x in the array is closest to Num if |Num-x| is the smallest among all such x possible.

avenger Over a year ago

@2051 i don't have limit to post questions now plz help

2501 Over a year ago

@avenger Sorry about the time limit, you will simply have to wait.

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