#include<stdio.h>
int main(){
    int n;
    printf("Enter n:");
    scanf("%d",&arr[i]);
    
    int arr[101];
    printf("Enter elements:\n");
    for(int i=0;i<n;i++){
        scanf("%d",&arr[i]);
    }
    int index,value;
    printf("Enter index and value:");
    scanf("%d %d",&index,&value);
    
    if(index<0|| index>n){
        printf("Invalid Input");
        return 0;
    }
    
    for(int i=n;i>index;i--){
        arr[i]=arr[i-1];
    }
    arr[index]=value;
    n++;
    
    printf("updated array:\n");
    for(int i=0;i<n;i++){
        printf("%d",arr[i]);
    }
    return 0;
}