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  1. #include <stdio.h>
  2.  
  3. #define min(a, b) (a < b ? a : b)
  4.  
  5. int main() {
  6.     int n; scanf("%d", &n);
  7.  
  8.     char matrix[n][n];
  9.  
  10. 	// preenche tudo com espaço
  11.     for(int i = 0; i < n; i++) {
  12.         for(int j = 0; j < n; j++) {
  13.             matrix[i][j] = ' ';
  14.         }
  15.     }
  16.  
  17. 	// diagonal principal
  18.     for(int i = 0; i < n; i++)
  19.         matrix[i][i] = '*';
  20.     // diagonal secundária    
  21.     for(int i = n-1, j = 0; i >= 0; i--, j++)
  22.         matrix[j][i] = '*';
  23.  
  24. 	// mostra a matriz..
  25.     for(int i = 0; i < n; i++) {
  26.         for(int j = 0; j < n; j++)
  27.             printf("%c", matrix[i][j]);
  28.         printf("\n");
  29.     }
  30. }
Success #stdin #stdout 0s 4740KB
comments (?)
stdin
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10
stdout
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*        *
 *      * 
  *    *  
   *  *   
    **    
    **    
   *  *   
  *    *  
 *      * 
*        *
https://ideone.com/2ZgjWk
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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