C++ 徽章字母大小写转换：将小写字母转换为大写

#include using namespace std; int main() { int n; cin >> n; char a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] >= 'a' && a[i] <= 'z') { //如果是小写字母 a[i] -= 32; //转换为大写字母 } } for (int i = 0; i < n; i++) { cout << a[i]; } return 0; }