# include <stdio.h> int main(void) { int i,j,a[3][3] = {1,2,3,4,5,6,7,8,9}; for(i = 0; i < 3;i++) { for(j = 0; j < 3; j++ ) { if (j<i) printf(" "); else printf("%d",a[i][j]); } printf("\n"); } return 0; }