#include <stdio.h>#include <string.h>int main(){? ? char s1[100]="";? ? char s2[]="我愛,";? ? char s3[]="慕課網";? ? /*在以下補全代碼*/? ? strcat(s2,s3);? ? strcpy(s1,s2);? ??? ??? ? printf("%s\n",s1);? ? return 0; ? ?}要求通過s1輸出我愛，慕課網