Heng_Xin 题解分享 · 2024/5/25
大写(编程题) - 题解
```cpp #include <string> #include <iostream> using namespace std; int main() { string s; cin >> s; for (char& c : s) if (c >= 'a' && c <= 'z') c ^= ' '; cout << s; return 0; } ```
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