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  1. #include<stdio.h>
  2. int main(){
  3. int i,j,n;
  4. scanf("%d",&n);
  5. for(i=1;i<=n;i++){
  6. 	for(j=1;j<=i;j++){
  7. if(i%2!=0){
  8. 	printf("%d ",2*j-1);
  9. }
  10. else{
  11. 	printf("%d ",2*j);
  12. }
  13. 	}
  14. 	printf("\n");
  15. }
  16.  
  17. return 0;	
  18. }
Success #stdin #stdout 0s 5320KB
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stdin
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5
stdout
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1 
2 4 
1 3 5 
2 4 6 8 
1 3 5 7 9
https://ideone.com/Ec8NhY
language:
C (gcc 8.3)
created:
9 hours ago
visibility:
public

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