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

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Information

ID
139
Time
1000ms
Memory
256MiB
Difficulty
7
Tags
# Submissions
97
Accepted
19
Uploaded By