#include <algorithm>
#include <cctype>
#include <iostream>
#include <vector>
using namespace std;
int main() {
vector<char> foo;
for (char c = 'A'; c != 'Z'; ++c)
foo.push_back(c);
transform(foo.begin(), foo.end(), foo.begin(), static_cast<int (*)(int)>(tolower));
for (auto E : foo)
cout << E << " ";
}
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