跪求t*head,*p1,*p2;gotoagain;if(ch=='Y'||ch=='y
C语言~main( ) { char ch; ch=getchar( ); if (ch>='A' && ch
CH3-CH=CH-CH=CH-CH3是否存在?
程序看不懂怎么运行的#include main() { int i,j;char ch,*p1,*p2,*s[4]={"
速求: 设char ch='A'则表达式“ch=(ch>='A'&&ch
p2->next=p1;p2=p1;
已知P1,p2,P ,三点共线 p1(-2,3),p2(0,1),若向量p1p2=2向量pp2,求p的坐标(x,y)
while(*p1) p1++; while(*p2) { *p1=*p2; p1++; p2++; } *p1=0;
CH3-CH=CH-C≡CH 如何命名?
CH2=CH-CH=CH2
CH3CH=CH-CH=CH2 + Br2?
CH3-CH=CH-CH3命名
CH2=CH-CH(CH3)-CH2OH是什么?