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- #include<iostream>
- #include<string>
- using namespace std;
- string concatenated(string arr[], int n)
- {
- string result ="";
- for (int i = 0; i < n; i++)
- {
- bool isLowerLatin = true;
- string str = arr[i];
- for (int i = 0; i < str.length(); i++)
- {
- if(str[i] < 97 || str[i] > 122 ) isLowerLatin = false;
- }
- if(isLowerLatin)
- {
- result.insert(0, str);
- }
- }
- return result;
- }
- int main()
- {
- /*
- test input: 3 abc Abc uvw
- */
- int n;
- cin >> n;
- string arr[20];
- for (int i = 0; i < n; i++)
- {
- cin >> arr[i];
- }
- cout << concatenated(arr, n);
- }
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