c3-7.cpp

来自「谭浩强C程序设计习题答案」· C++ 代码 · 共 10 行

#include <iostream>
using namespace std;
int main()
{
  char ch;
  cin>>ch;
  ch=(ch>='A' && ch<='Z')?(ch+32):ch;
  cout<<ch<<endl;
  return 0;
}