**Write a program that will read in a list of numbers and will then print out the same list except numbers that have already been printed will be printed as a zero instead.**

**Sample Input :**

4

3

2

1

4

**Sample Output:**

3

2

1

0

code:

#include<stdio.h> int main() { int n,i,j; int a[100],c; scanf("%d",&n); if(n<=100) { for(i=0;i<n;i++) { scanf("%d",&a[i]); } for(i=0;i<n-1;i++) { c=a[i]; for(j=i+1;j<n;j++) { if(c==a[j]&&c!=0) { a[j]=0; } } } for(i=0;i<n;i++) { if(a[i]!=-1) { printf("%d\n",a[i]); } } } return 0; }