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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int max(int a, int b) {
  5.     return a>b?a:b;
  6. }
  7.  
  8.  
  9. int main(void) {
  10. 	int n;
  11.     if(scanf("%d", &n) == 0) return 1;
  12.     for(int i = -(n-1); i<n; ++i) {
  13.         for(int j = -(n-1); j<n; ++j) {
  14.             printf("%d ", max(abs(i), abs(j)) + 1);
  15.         }
  16.         putchar('\n');
  17.     } 
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 9424KB
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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/q0qdxx
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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