1. #include<stdio.h> //菜逼到此一游
  2. int main(){
  3. int a,i,j,k;

  4. int s[20]={1,2,3,4,5,7,8,9,10,11,12,13,14,15,16,17,18,19,20};

  5. while(scanf("%d",&a)!=EOF){

  6. 	for(i=0;i<a;i++){

  7. 		for(j=0;j<=i;j++){

  8. 			printf("%d ",s[j]);

  10. 		}

  11. 		printf("\n");

  12. 	}
  14. }
  17. }