LeetCode 345 Reverse Vowels of a String
2017-06-10 14:31
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LeetCode 345 Reverse Vowels of a String
//vowels : a e i o u#include <string>
using namespace std;
class Solution {
public:
bool isVowel(char s){
if (s == 'a' || s == 'e' || s == 'i' || s == 'o' || s == 'u' || s == 'A' || s == 'E' || s == 'I' || s == 'O' || s == 'U')
return true;
else
return false;
}
string reverseVowels(string s) {
int start = 0;
int end = s.length() - 1;
while (start < end)
{
if (isVowel(s[start]) && isVowel(s[end]))
{
swap(s[start], s[end]);
start++;
end--;
}
else if (!isVowel(s[start]) && isVowel(s[end]))
start ++;
else if (!isVowel(s[end]) && isVowel(s[start]))
end --;
else
{
start++;
end--;
}
}
return s;
}
};
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