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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int n;
  7.     cin>>n;
  8.     for(int i=1;i<=n;i++)
  9.     {
  10.         for(int j=1;j<=n-i;j++)cout<<" ";
  11.         for(int j=1;j<=i;j++)cout<<j;
  12.         for(int j=i-1;j>=1;j--)cout<<j;
  13.         for(int j=1;j<=n-i;j++)cout<<" ";
  14.         cout<<"\n";
  15.     }
  16.     for(int i=n-1;i>=1;i--)
  17.     {
  18.         for(int j=1;j<=n-i;j++)cout<<" ";
  19.         for(int j=1;j<=i;j++)cout<<j;
  20.         for(int j=i-1;j>=1;j--)cout<<j;
  21.         for(int j=1;j<=n-i;j++)cout<<" ";
  22.         cout<<"\n";
  23.     }
  24.  
  25.     return 0;
  26. }
Success #stdin #stdout 0s 3416KB
comments (?)
stdin
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5
stdout
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    1    
   121   
  12321  
 1234321 
123454321
 1234321 
  12321  
   121   
    1
https://ideone.com/f8Fy8u
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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