The Official Programming Thread

Eternal Blizzard said:

@puppet @gullfounder

I tried making a calculator but it will only work for two numbers.... What if i infinitely wanted to add random numbers... will i have to declare infinite variables holding their result...absolutely no i guess?
Do i need to learn OOP before that? I haven't touched classes yet...

Click to expand...

Eternal Blizzard said:

I have learnt Ruby not completely... i have yet to learn OOP in ruby plus i thought Ruby on Rails was different? it was for web development i guess? Anid Ruby is my first or to be more exact 2nd language.... i haven't learnt python.... I intend to complete my RPGMaker project after learning Ruby as that engine uses Ruby

Click to expand...

gullfounder said:

Everyone knows how a simple calculator works. But try adding somthing extra into it.

Click to expand...

Eternal Blizzard said:

Awrite guys any more ideas? What should i do now? I can't think of anyway to make it more compact...

Click to expand...

Eternal Blizzard said:

Should the program suggest the word or program should check if the player can suggest the stored words

Click to expand...

Eternal Blizzard said:

you mean the user enters a paragraph and the program tells it how many "the" "and" etc are there? Codeacademy had a similar exercise... although i'll try making it from scratch again thanx for the idea btw

Click to expand...

Eternal Blizzard said:

Should the program suggest the word or program should check if the player can suggest the stored words

Click to expand...

Eternal Blizzard said:

I haven't played hangman before i just looked up on net so i was thinking if there are pre stored words like 10 or so i guess.... then the i am thinking of making it like this that if the user enters a letter the program will look through the word to see if it includes that... after that how will it say that this letter is placed here? What i am thinking is that it'll print the index number saying that its at fifth position, 4th etc... is that right?

Click to expand...

= solution;

This kind of thing. The 'i' is where it found the 'a' (if any).

I'll put my code here (it's not exactly cheating since you don't know C++ :looking. You can use the code to get some kind of idea IF you're stuck.

Spoiler: show

Spoiler: show

Code:

void Hangman::prompt()
{
	string buffer;


	cout << "Enter word length: ";
	cin >> wordLength;
	cout << "Enter number of guesses: ";
	cin >> guesses;
	cout << endl;


	ifstream dictionary("dictionary.txt");
	if(!dictionary) {cout<<"Error opening Dictionary.\n"; return;}


	//Read all required words into vector
	while(getline(dictionary,buffer))
	{ 
		if(buffer.length()==wordLength)
			wordList.push_back(buffer);	
	}


	if(wordList.size()==0){
		cout << "No words of size " <<wordLength <<" present";
		return;
	}


	//Choose a solution word
	srand(time(NULL));
	int randomIndex = rand() % wordList.size();
	solutionWord = wordList[randomIndex];


	//Initialize playing word to hyphen
	for(size_t i=0; i<solutionWord.length(); i++)
	{
		if(i==solutionWord.length())
			playWord[solutionWord.length()]='*';
		playWord = playWord + "-";
	}
}

void Hangman::run()
{
	prompt();


	char inputChar;
	int charIndex;


	cout << "(For Checking)SOLUTION: " <<solutionWord <<endl;	//TESTING PURPOSES


	while((playWord!=solutionWord) || guesses==0)
	{
		cout << "\nLetters used: " <<usedCharacters;


		cout<< "\nRemaining tries: " <<guesses <<endl;
		cout<< playWord;


		cout<< "\n\nEnter a guess: ";
		cin.ignore(100,'\n'); //For buffer problems
		
		inputChar = getchar();		
		
		charIndex = solutionWord.find_first_of(inputChar);
		
		if(charIndex == -1){
			cout<< inputChar <<" is not present" <<endl; 
			if(usedCharacters.find(inputChar) == -1){ //Only decrement if letter wasn't used before and add it
				guesses--;
				usedCharacters+=inputChar;
			}
			if(guesses==0)
				break;
		}
		else{
			for(size_t i=0; i<solutionWord.length(); i++)	{
				if(inputChar==solutionWord[i])
					playWord[i]=inputChar;
			}
		}	
	}


	if(guesses==0)
		cout << "Game Over";
	else
		cout << "\n************************************************************"
			<<"\nCongratulations! You found the solution i.e. "<<solutionWord
			<< "\n************************************************************" <<endl;
}

This is just a PART of the code, it won't compile, of course

Eternal Blizzard said:

All right i have my hangman program almost complete... there is just one problem...
I know you guys don't know ruby but if you can help make me understand how the hell does the code below works it'd be great... @MegamanEXE @gullfounder

Code:

string = "abcde"string_modified = string
string_modified[2] = "2"            # variable[index number] = "thing you want at that index number" 
puts string_modified                  # prints "ab2de"
puts string                                # prints "ab2de"

I don't get why "string" variable gets modified even though i only changed the modified version.... however if i do something like this

Code:

r = "abcde"
r_mod = r
r_mod += "fghi"
puts rmod               # prints "abcdefghi"
puts r                     # prints "abcde"

I want the former thing to happen with the first one.... i need 2 different variables having same values but if i modify one the original one shouldn't get modified.. How do you make this happen...

Click to expand...

MegamanEXE said:

Eh, you've never played Hangman (or Hangaroo)?

Anyhow, that's actually how most programming is done. Test it on small sample, if it works for 10 words, it'll most probably work for 10,000 words as well. When you're beginning the program, you could have ONE word for testing purposes, just to see if the placement is correct, or are the number of guesses working correctly or not?

When that's done, it's simple for more words. This was an assignment for us as well (although we were given a difficult cheating version of Hangman to make). What I did was somewhat this.
Make 2 strings, one for the answer, and the other is your game string consisting of hyphens (-). For example,
String1 = Blizzard
String2 = --------

For the number of dashes, it's simple, count the number of letters in the answer(string1), and 'concatenate'/add the appropriate number of dashes. And yes, when you take a guess, it searches if it's in the solution, if it is, it will simply place at THE same index as the solution i.e. if you put 'A':
guessed = solution;

This kind of thing. The 'i' is where it found the 'a' (if any).

I'll put my code here (it's not exactly cheating since you don't know C++ :looking. You can use the code to get some kind of idea IF you're stuck.

Spoiler: show

Spoiler: show

Code:

void Hangman::prompt()
{
string buffer;


cout << "Enter word length: ";
cin >> wordLength;
cout << "Enter number of guesses: ";
cin >> guesses;
cout << endl;


ifstream dictionary("dictionary.txt");
if(!dictionary) {cout<<"Error opening Dictionary.\n"; return;}


//Read all required words into vector
while(getline(dictionary,buffer))
{ 
if(buffer.length()==wordLength)
wordList.push_back(buffer);
}


if(wordList.size()==0){
cout << "No words of size " <<wordLength <<" present";
return;
}


//Choose a solution word
srand(time(NULL));
int randomIndex = rand() % wordList.size();
solutionWord = wordList[randomIndex];


//Initialize playing word to hyphen
for(size_t i=0; i<solutionWord.length(); i++)
{
if(i==solutionWord.length())
playWord[solutionWord.length()]='*';
playWord = playWord + "-";
}
}

void Hangman::run()
{
prompt();


char inputChar;
int charIndex;


cout << "(For Checking)SOLUTION: " <<solutionWord <<endl;//TESTING PURPOSES


while((playWord!=solutionWord) || guesses==0)
{
cout << "\nLetters used: " <<usedCharacters;


cout<< "\nRemaining tries: " <<guesses <<endl;
cout<< playWord;


cout<< "\n\nEnter a guess: ";
cin.ignore(100,'\n'); //For buffer problems

inputChar = getchar();

charIndex = solutionWord.find_first_of(inputChar);

if(charIndex == -1){
cout<< inputChar <<" is not present" <<endl; 
if(usedCharacters.find(inputChar) == -1){ //Only decrement if letter wasn't used before and add it
guesses--;
usedCharacters+=inputChar;
}
if(guesses==0)
break;
}
else{
for(size_t i=0; i<solutionWord.length(); i++){
if(inputChar==solutionWord[i])
playWord[i]=inputChar;
}
}
}


if(guesses==0)
cout << "Game Over";
else
cout << "\n************************************************************"
<<"\nCongratulations! You found the solution i.e. "<<solutionWord
<< "\n************************************************************" <<endl;
}

This is just a PART of the code, it won't compile, of course

Click to expand...