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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n;
  7. 	cin>>n;
  8. 	int total = (n * 2) - 1;
  9.         for (int i = 0; i < (total / 2) + 1; i++) {
  10.             for (int j = 0; j <= i - 1; j++) {
  11.                 cout << n - j << " ";
  12.             }
  13.  
  14.             for (int j = i; j < total - i; j++) {
  15.                 cout << n - i << " ";
  16.             }
  17.  
  18.             for (int j = n - i + 1; j <= n; j++) {
  19.                 cout << j << " ";
  20.             }
  21.  
  22.             cout << std::endl;
  23.         }
  24.  
  25.         int x = total / 2;
  26.         for (int i = 0; i < x; i++) {
  27.             for (int j = n; j >= 3 + i; j--) {
  28.                 cout << j << " ";
  29.             }
  30.  
  31.             for (int j = 0; j < 3 + (2 * i); j++) {
  32.                 cout << i + 2 << " ";
  33.             }
  34.  
  35.             for (int j = x - 2 - i; j >= 0; j--) {
  36.                 cout << n - j << " ";
  37.             }
  38.  
  39.             cout << std::endl;
  40.         }
  41. 	return 0;
  42. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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4
stdout
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4 4 4 4 4 4 4 
4 3 3 3 3 3 4 
4 3 2 2 2 3 4 
4 3 2 1 2 3 4 
4 3 2 2 2 3 4 
4 3 3 3 3 3 4 
4 4 4 4 4 4 4
https://ideone.com/24JBux
language:
C++14 (gcc 8.3)
created:
5 hours ago
visibility:
public

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