Run ID:82209
提交时间:2024-07-13 09:21:36
#include <iostream> using namespace std; int main() { char p; cin >> p; if(p>='a') { if(p<='z') { p=p-32; } } if(p>='A') { if(p<='Z') { p=p+32; } } cout <<p<< endl; return 0; }