queue lab

#include<stdio.h>
int main()
{
    int t,n,m;
    printf("Enter how many test case you want\n");
    scanf("%d",&t);
    for(int i=1;i<=t;i++)
    {
        printf("Test case : %d \n",i);
        printf("How many data you want to netered in queue\n");
        scanf("%d",&n);
        int a[n];
        for(int j=0;j<n;j++)
        {
           scanf("%d",&a[j]);
        }
        printf("M = ");
        scanf("%d",&m);
        printf("\n");
        if(m<n)
        {
            for(int j=0;j<m;j++)
            {
                printf("%d ",a[j]);
            }
            printf("\n");
            printf("In Queue : ");
            for(int j=m;j<n;j++)
            {
                 printf("%d ",a[j]);
            }
           printf("\n");
        }
        if(m>=n)
        {
            for(int j=0;j<n;j++)
            {
                 printf("%d ",a[j]);
            }
             printf("\nIn Queue : Empty\n\n");
        }
    }
    return 0;
}