ifelse语句输出错误多多？

Question

#include <iostream>
//#include <conio>
using namespace std;
int main() {
  cout<<"please input a key\n";
  char ch=getche()
  if ch==('b');
  cout<<'\a';
  else
     if (ch=='\n')
     cout<<"what a boring select\n";
     else 
       cout<<"bye\n";  
}

错误好多？
ifelseyuju20230316

Answer 1

第8行最后的分号删掉
第7行改为char ch =getchar();