如果L2={{a,b}, {a,c}, {a,d}, {b,c}, {b,d}}，则连接产生的C3= ___________ ；再经过修剪， L3= ___________ A: abc acd abd bcdabc abd B: abc abdabc acd abd bcd C: abc acd abd bcdabc acd abd bcd D: abc abd abcabc abd
如果L2={{a,b}, {a,c}, {a,d}, {b,c}, {b,d}}，则连接产生的C3= ___________ ；再经过修剪， L3= ___________ A: abc acd abd bcdabc abd B: abc abdabc acd abd bcd C: abc acd abd bcdabc acd abd bcd D: abc abd abcabc abd
以下程序的输出结果是（ ）#include ”string.h”main(){ char s1[20]=“bcd”,s2[20]=“abc”;if(strcmp(s1,s2)>0) printf(“%s\n”,s1);else printf(“%s\n”,s2);} A: bcd B: abc C: bcdabc D: abcbcd
以下程序的输出结果是（ ）#include ”string.h”main(){ char s1[20]=“bcd”,s2[20]=“abc”;if(strcmp(s1,s2)>0) printf(“%s\n”,s1);else printf(“%s\n”,s2);} A: bcd B: abc C: bcdabc D: abcbcd
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