单项选择题
A) pk=k; B) pk[0]=&k[1][2]; C) pk=k[0]; D) pk[1]=k;
A) double myadd(double a, b); B) double myadd(double, double); C) double myadd(double b, double a); D) double myadd(double x, double y);
A) while(ch=getchar() =='\n') putchar(ch); B) while(ch=getchar() ) =='\n') putchar(ch); C) while(ch=getchar() !='\n') putchar(ch); D) while(ch=getchar() !='\n') putchar(ch);