#include<stdio.h> #include<string.h> int main() { char key[100]={'\0'}; char key1[100]={'\0'}; char str[100]={'\0'}; scanf("%s",key); scanf("%s",str); // printf("%s\n,%s\n",key,str); int len; len=strlen(key); int i,j; /*去重,如果重复次数大于1,就将其置零,之后再输出一下,有老哥,...