View Code of Problem 57

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,k;
	cin>>n;
	for(i=0;i<n;i++){
		for(j=i+1;j<n;j++){
			cout<<' ';
		}
		for(k=1;k<=i+1;k++){
			cout<<k;
		}
		for(k=i;k>0;k--){
			cout<<k;
		}
		cout<<endl;
	}
	for(i=0;i<n;i++){
		for(j=i+1;j>0;j--){
			cout<<' ';
		}
		for(k=1;k<n-i;k++){
			cout<<k;
		}
		for(k=n-i-2;k>0;k--){
			cout<<k;
		}
		cout<<endl;
	}
}

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