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344. Reverse String c++

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coder answered on July 6, 2021 Popularity 10/10 Helpfulness 1/10

answer 344. Reverse String c++

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344. Reverse String c++

Comment

-1

class Solution {
public:
    void reverseString(vector<char>& s) {
        int i=0;
        int j=s.size()-1;
        while(i<j)
        {
            swap(s[i],s[j]);
            i++;
            j--;
        }
    }
};

//Runtime: 20 ms, faster than 76.31% of C++ online submissions for Reverse String.
//Memory Usage: 23.3 MB, less than 38.31% of C++ online submissions for Reverse String.

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: codejudge.blogspot.com

Tags: c++ reverse string

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Contributed on Dec 28 2021

coder

0 Answers Avg Quality 2/10

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reverse c++ string

Comment

#include <algorithm>
#include <iostream>
#include <string>

int main()
{
    std::string foo("foo");
    std::string copy(foo);
    std::cout << foo << '\n' << copy << '\n';

    std::reverse(copy.begin(), copy.end());
    std::cout << foo << '\n' << copy << '\n';
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Feb 21 2022

purple_spider513

0 Answers Avg Quality 2/10

reverse string c++

Comment

#include <iostream>
#include<string>
#include<algorithm>
using namespace std;
int main()
{
string str;
  getline(cin,str);
  reverse(str.begin(),str.end());
  cout<<str;
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jul 06 2021

ujjwal sotra

0 Answers Avg Quality 2/10

reverse of string cpp

Comment

// C++ function to reverse string str:
string rev = string(str.rbegin(), str.rend());

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: www.geeksforgeeks.org

Tags: c++ reverse reve

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Contributed on Feb 20 2023

Sathwik

0 Answers Avg Quality 2/10

how to reverse a string in c++

Comment

string reverse(string str)
{
    string output;
    
    for(int i=str.length()-1; i<str.length(); i--)
    {
        output += str[i];
    }
    return output;
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jul 22 2022

TheRubberDucky

0 Answers Avg Quality 2/10

How to reverse a string in c++ using reverse function

Comment

#include <iostream>
//The library below must be included for the reverse function to work
#include<bits/stdc++.h> 
using namespace std;

int main() {
  
  string greeting = "Hello";
  //Note that it takes the iterators to the start and end of the string as arguments
  reverse(greeting.begin(),greeting.end());
  cout<<greeting<<endl;
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: www.educative.io

Tags: c++

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Contributed on Aug 20 2021

Ahmad Mujtaba

0 Answers Avg Quality 2/10

reverse function in cpp string

Comment

// C++ program to illustrate the
// reversing of a string using
// reverse() function
#include <bits/stdc++.h>
using namespace std;
int main()
{
    string str = "geeksforgeeks";
 
    // Reverse str[begin..end]
    reverse(str.begin(), str.end());
 
    cout << str;
    return 0;
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Jul 07 2022

Hemant kumar

0 Answers Avg Quality 2/10

reverse string c++

Comments(10)

#include <iostream>
#include <cstring>

using namespace std;

void palindrome(string word){
   string reversed=word;
    for (int i = 0, j = word.length() - 1; i < word.length(), j >= 0; i++, j--) {
        reversed[j] = word[i];
    }
    cout<< reversed<<endl;
     if(word==reversed)
         cout<<"Palindrome";
     else cout<<"not palindrome";
  
}

int main(){
    string text;
    cout<<"Enter text: ";                                       
    getline(cin,text);                                          
    reverse(text);
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Apr 20 2022

S.Y

0 Answers Avg Quality 2/10

c++ reverse string

Comment

#include <iostream>
#include <string>
using namespace std;
void REVERSE(string word){
   string reversed = word;
   int n = word.length();
   int t = 0;
    for (int i = n - 1;i >= 0; i--) {
        reversed[t++] = word[i];
    }
    cout << reversed << "\n\n";
     if(word==reversed)
         cout<<"Palindrome";
     else cout<<"not palindrome"; 
}
int main(){
    string text;
    cout<<"Enter text: ";                                       
    getline(cin,text);                                          
    REVERSE(text);
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on May 28 2022

Nutty Nightingale

0 Answers Avg Quality 2/10

c++ reverse string

Comment

#include <iostream>
#include <string>
using namespace std;
void REVERSE(string word){
   string reversed = word;
   int n = word.length();
   int t = 0;
    for (int i = n - 1;i >= 0; i--) {
        reversed[t++] = word[i];
    }
    cout << reversed << "\n\n";
     if(word==reversed)
         cout<<"Palindrome";
     else cout<<"not palindrome"; 
}
int main(){
    string text;
    cout<<"Enter text: ";                                       
    getline(cin,text);                                          
    REVERSE(text);
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on May 28 2022

Nutty Nightingale

0 Answers Avg Quality 2/10

reverse string c++

Comment

#include <iostream>
#include <string>

void swapChars(char* x, char* y) {
    char temp = *x;
    *x = *y;
    *y = temp;
}

//raw is the input string
std::string reverseString(std::string raw) {
    int n = raw.length();
     
     //keep swapping front end chars with
     //their back end counterparts till you
     //get to the middle of the string 
    for (int i = 0; i < n / 2; i++) 
        swapChars(&raw[i], &raw[n-i-1]);
    
    return raw;
    
}

int main() {
	std::string input;
    std::cin >> input;
    
    std::cout << reverseString(input) << "\n";
	return 0;	
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++ reverse reve

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Contributed on Feb 26 2023

bstromer_

0 Answers Avg Quality 2/10

344. Reverse String c++

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344. Reverse String c++

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