View Code of Problem 57

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n-i;j++)
			cout<<" ";
		for(int j=1;j<=i;j++)
			cout<<j;
		for(int j=i-1;j>=1;j--)
			cout<<j;
		cout<<endl;
	}	
	for(int i=n-1;i>=1;i--){
		for(int j=1;j<=n-i;j++)
			cout<<" ";
		for(int j=1;j<=i;j++)
			cout<<j;
		for(int j=i-1;j>=1;j--)
			cout<<j;
		cout<<endl;
	}	
} 

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