Array in given pattern

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 /*  
 4 3 2 1  
 0 3 2 1  
 0 0 2 1  
 0 0 0 1  
 */  
 //Downloaded From www.c4cpp.co.nr  
 //(C)2009.All rights reserved.  
 #include<iostream.h>  
 #include<conio.h>  
 void main()  
 {  
 clrscr();  
 int i,n,g,j,a[100],b[100][100];  
 cout<<"Enter Limit"<<endl;  
 cin>>n;  
 cout<<"Enter "<<endl;  
 for(g=0;g<n;g++)  
 cin>>a[g];  
 for(i=0;i<n;i++)  
 {  
 for(j=n-1;j>=0;j--)  
 {  
 b[i][j]=a[j];  
 }  
 }  
 for(i=0;i<n;i++)  
 {  
 for(j=0;j<n;j++)  
 {  
 if(i>j)  
 b[i][j]=0;  
 }  
 }  
 for(i=0;i<n;i++)  
 {  
 cout<<endl;  
 for(j=0;j<n;j++)  
 {  
 cout<<b[i][j]<<" ";  
 }  
 }  
 getch();  
 }