#include <stdio.h>int main(){??? int i, j, k;??? for(i=1; i<5; i++)??? {??????? /* 觀察每行的空格數量，補全循環條件 */??????? for(j=i ;? j<5 ; j++? )? ??????? {??????????? printf(" ");??? //輸出空格??????? }??????? /* 觀察每行*號的數量，補全循環條件 */??????? for( k=0;k<2*i-1 ;k++???? ) ??????? {??????????? printf("*");?? //每行輸出的*號??????? }??????? printf("\n");???? //每次循環換行??? }??? return 0;}