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#include <cctype> #include <iostream> using namespace std; int main() { char ch = ' '; string isAlpha = "NO"; cin >> ch; if (isalpha(ch)) { isAlpha = "YES"; } cout << isAlpha; return 0; }
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#include <cctype> #include <iostream> using namespace std; int main() { char ch = ' '; string isAlpha = "NO"; cin >> ch; if (isalpha(ch)) { isAlpha = "YES"; } cout << isAlpha; return 0; }