Is palindrom

#include <iostream>
#include <deque>
bool is_palindrome(const std::string &s){

    if(s.size() == 1 ) return true;
    std::deque<char> d ;
    for(char i : s){
        if(std::isalpha(i)){
           d.emplace_back( toupper(i) );
        }
    }

    auto front = d.begin();
    auto back = d.rbegin();
    while( (front != d.end()) || (back != d.rend())){
        bool ans = (*front == *back);
        if(!ans){
            return ans;
        }
        ++front;++back;
    }

    return true;


}

int main() {
    std::string s = "A man, a plan, a cat, a ham, a yak, a yam, a hat, a canal-Panama!";
    std::cout << std::boolalpha << is_palindrome(s) << std::endl;
    return 0;
}

Similar codes

326 votes407 views3 answers
How to remove to an Array
C++
3 votes250 views1 answer
Initialize dynamic array c++ to 0
C++
19 votes242 views3 answers
File reading c++
C++
0 vote253 views1 answer
Cuda shared array
C++
1 vote253 views1 answer
C++ keyboard input
C++
0 vote256 views1 answer
Summation of Natural Number Sequence with c and c++.
C++
0 vote271 views1 answer
How to find the left most bit 1 in binary of any number
C++
3 votes245 views1 answer
Set precision with fixed c++
C++
0 vote275 views1 answer
Assign array to array
C++
1 vote259 views1 answer
Qlabel font color
C++