提交时间:2026-04-10 15:01:44
运行 ID: 86993
#include <iostream> #include <string> #include <cctype> using namespace std; int main() { string s; getline(cin, s); for (int i = 0; i < s.size(); i++) { if (islower(s[i])) { s[i] = toupper(s[i]); } } cout << s << endl; return 0; }