include<iostream>#include<iomanip>#define LEN 20#define ROW 20using namespace std;void initseat(char s[LEN][ROW]){int i,j;for(i=0;i<LEN;i++){for(j=0;j<ROW;j++){s[i][j]=' ';}}}void printmenu(){cout<<"\t\t1.查询座位\t"<<"2.预定座位"<<endl;cout<<"\t\...