若有以下程序 structstu{char*name,gender;intscore;); main( ){ structstua={NULL,m,290},b; a.name=(char*)malloc(10); strcpy(a.name,Zhao); b=a;b.gender=f;b.score=350; strcpy(b.name,“Qian”); printf(”%s,%c,%d,”,a.name,a.gender,a.score); printf(”%s,%c,%d/n”,b.name,b.gender,b.score);) 则程序的输出结果是