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  1. #include <stdio.h>
  2. int main(){
  3. int i,j,n;
  4. scanf("%d",&n);
  5. int num=n*(n+1)/2-n+1;
  6.  
  7.  
  8.  
  9. for(i=n;i>=1;i--){
  10.  
  11. 	for(j=1;j<=i;j++){
  12. 		printf("%d ",num);
  13. 		num++;
  14. 	}
  15. 	printf("\n");
  16. }
  17. return 0;
  18.  
  19. }
Success #stdin #stdout 0s 5288KB
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stdin
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5
stdout
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11 12 13 14 15 
16 17 18 19 
20 21 22 
23 24 
25
https://ideone.com/hvCpv4
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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