問題：A - 居合を終え、青い絵を覆う / UOIAUAI #include <iostream> #include <string> using namespace std; int main(void) { const string vowel = "aeiou"; char c; cin.tie(0); ios::sync_with_stdio(false); cin >> c; cout << (vowel.find(c) != string::npos? "vowel"</string></iostream>…