#include <iostream>
using namespace std;
// zdefiniuj funkcję
int ile(string s, char z) {
int ile = 0;
for (int i = 0; i < s.size(); i++)
if (s[i] == z)
ile++;
return ile;
}
int main() {
// sprawdź działanie funkcji
cout << ile("CAATAAAAAT", 'T') << endl;
cout << ile("CAATAAAAAT", 'A') << endl;
cout << ile("CAATAAAAAT", 'C') << endl;
cout << ile("TGATATTCGATGTGAAAAAT", 'A') << endl;
cout << ile("TGATATTCGATGTGAAAAAT", 'C') << endl;
cout << ile("TGATATTCGATGTGAAAAAT", 'G') << endl;
cout << ile("TGATATTCGATGTGAAAAAT", 'T') << endl;
return 0;
}
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