zyc815

摘要： include <bits/stdc++.h> using namespace std; int main( ) { char a; cin >> a; cout << " " << a << endl; cout << " " << a << a << a << endl; cout << a < 阅读全文

摘要： include <bits/stdc++.h> using namespace std; int main( ) { char a; cin >> a; cout << char(a-32); return 0; } // 反思1： cin >> a; 忘记写了 反思2: +是转为小写字母-是转为大 阅读全文