View Code of Problem 57

#include<iostream>
#include<cstring>
//#include<algorithm>
using namespace std;
int main(){
	int n;
	cin>>n;
	for(int i = 1;i<=n;i++){
		for(int op = i;op<n;op++)cout<<" ";
		for(int j = 1;j<=i;j++)cout<<j;
		for(int k = i-1;k>0;k--)cout<<k;
		cout<<endl;	
	}
	for(int i = 1;i<n;i++){
		for(int op = 1;op<=i;op++)cout<<" ";
		for(int j = 1;j<=n-i;j++)cout<<j;
		for(int k = n-i-1;k>0;k--)cout<<k;
		cout<<endl;
	}
	return 0;
}