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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. int min(int a, int b) {
  4. if (a<b) return a;
  5. return b;
  6. }
  7.  
  8. int main() {
  9. int n;
  10. scanf("%d",&n);
  11. for (int i = 0; i<n*2+1; ++i) {
  12. for (int j = 0; j<n*2+1; ++j) {
  13. printf("%d", min(abs(n-i),abs(n-j)));
  14. }
  15. printf("\n");
  16. }
  17. }
Success #stdin #stdout 0.01s 5288KB
stdin
3
stdout
3210123
2210122
1110111
0000000
1110111
2210122
3210123