include <stdio.h> void Sort_PO(int arr[],int n);//n为所查找ID的位数 m为ID 数组arr为编码库 s为编码总数量int last_ret(int arr[],int n,int m,int s);int POW_10(int n);int main(){ int n = 0, q = 0;//藏书数量和读者数量 int i = 0; int ID_book[1000],ID_demand_len[1000],ID_demand[1000]; //数据输入 scanf("%d %d",&n,&...