有以下程序# include string.hmain(){char p[20]={′a′, ′b′, ′c′, ′d′}, q[]="abc", r[]="abcde";strcat(p, r); strcpy(p+strlen(q), q);printf("%d\n",strlen(p));}程序运行后的输出结果是A.9B.6C.11D.7

有以下程序

# include <string.h>

main()

{char p[20]={′a′, ′b′, ′c′, ′d′}, q[]="abc", r[]="abcde";

strcat(p, r); strcpy(p+strlen(q), q);

printf("%d\n",strlen(p));

}

程序运行后的输出结果是

A.9

B.6

C.11

D.7


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