no operator matches these operands

Question

No idea what s going on  I looked at other posts that are similar to this issue but no solution helped so far  Here s the code with comments by the parts giving errors  At one point it says that    doesn t work and in the rest of the code it s saying that  lt  lt  isn t working    include  lt iostream gt   include  lt algorithm gt   include  lt vector gt   include  lt ctime gt   include  lt cstdlib gt   include  lt cctype gt   using namespace std    Hangman  int main           setup     vector lt string gt  words      words push back  GUITAR        words push back  VIRGINIA        words push back  LAPTOP        words push back  WIFEY        words push back  IPHONE         srand static cast lt unsigned int gt  time 0         randomly select a word     random shuffle words begin    words end         const string THE WORD   words 0       const int MAX WRONG   8                       initialize wrong guesses     int wrong   0      string soFar THE WORD size     -              initalize the word so far with dashes     string used                                   initalize letters used       cout  lt  lt   Welcome to Hangman  Good luck  n          game loop       continues until a player guesses the word or gets too many wrong guesses     while   wrong  lt  MAX WRONG   amp  amp   soFar    THE WORD     ERROR on the                    cout  lt  lt    n nYou have    lt  lt   MAX WRONG - wrong   lt  lt    incorrect guesses left  n           cout  lt  lt    nYou ve used the following letters  n   lt  lt  used  lt  lt  endl    ERROR on   lt  lt   between the string and used         cout  lt  lt    nSo far  the word is  n   lt  lt  soFar  lt  lt  endl    ERROR on   lt  lt   between the string and soFar        recieve the player s guess         char guess          cout  lt  lt    n nEnter your guess             cin  gt  gt  guess          guess   toupper guess     makes the guess uppercase since the secret word is uppercase         while  used find guess     string  npos                        cout  lt  lt    nYou ve already guessed    lt  lt  guess  lt  lt  endl              cout  lt  lt   Enter your guess                 cin  gt  gt  guess              guess   toupper guess                      used    guess           if  THE WORD find guess     string  npos                        cout  lt  lt   That s right     lt  lt  guess  lt  lt    is in the word  n                  updated soFar to include newly guessed letter             for  int i 0  i  lt  THE WORD length      i                                if  THE WORD i     guess                                        soFar i    guess                                                    else                       cout  lt  lt   Sorry     lt  lt  guess  lt  lt    isn t in the word  n                 wrong                        shut down     if  wrong    MAX WRONG                cout  lt  lt    nYou ve been hanged              else               cout  lt  lt    nYou guessed it               cout  lt  lt    nThe word was    lt  lt  THE WORD  lt  lt  endl    ERROR on   lt  lt   between the string and THE WORD       int pause      cin  gt  gt  pause    this is here just so my compiler will stay open so I can see what s going on     return 0

User · Answer

It looks like you re comparing strings incorrectly  To compare a string to another  use the std  string  compare function   Example       while   wrong  lt  MAX WRONG   amp  amp   soFar compare THE WORD     0

User · Answer

You re not including the standard  lt string gt  header   You got  un lucky that some of its pertinent definitions were accidentally made available by the other standard headers that you did include     but operator lt  lt  was not    https   stackoverflow com a 20937531 560648

User · Answer

If you want to use std  string reliably  you must  include  lt string gt

[c++] no operator "<<" matches these operands

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