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Subscript out of range error

fivestar (180)
I dont understand why i get the "Debug assertion fail" error and it says vector subscript out of range.

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  #include<iostream>
#include<string>
#include<fstream>
#include<vector>
#include<cctype>
using namespace std;

bool letter_checker(string w, char c) {

	int d=-1;


		d = w.find(c);
		if (d >= 0) {
			return true;
		}
		else {
			return false;
		
	}
}

bool apostrophe_checker(string v) {
	int apost_counter = 0;
	for (int i = 0; i < v.length(); i++) {
		if (v[i] == '\'') {
			apost_counter = apost_counter + 1;
		}


	}
	if (apost_counter > 0) {
		return true;
	}
}

int main() {
	string oneWord;
	//int counter = 0;
	vector<string> word_list;
	vector<char> guess_list;
	vector<string> new_word_list;
	int trials = 0;
	char letter_guess;
	vector<char> letter_guess_list;
	int length_choice, choice_word_counter = 0, x = 0;
	int total_word_count = 0;

	cout << "What length word do you want?" << endl;

	ifstream infile;
	infile.open("C:/Users/Nate Zegue/documents/dictionary.txt");

	if (!(infile.is_open())) {
		cout << "Unable to open file ditionary.txt" << endl;
	}
	else {
		cout << "" << endl;

	}
	cin >> length_choice;

	while (infile >> oneWord) {
		if (!(apostrophe_checker(oneWord) == true)) {
			total_word_count = total_word_count + 1;

		}
		if (oneWord.length() == length_choice) {
			for (int let = 0; let < oneWord.length(); let++) {
				oneWord[let] = toupper(oneWord[let]);
			}
			word_list.push_back(oneWord);
			choice_word_counter = choice_word_counter + 1;
		}

	}

	cout << "Total Number of words: " << total_word_count << endl;

	cout << "There are " << choice_word_counter << " words" << endl;
	while (trials <= 16) {
		cout << new_word_list.size() << endl;							//loops number of tries
		cout << "Guess a letter: " << endl;
		cout << "Letters Found: ";
		for (int i = 0; i < length_choice; i++) {

			cout << " _ ";

		}
		cin >> letter_guess;
		letter_guess = toupper(letter_guess);
		letter_guess_list.push_back(letter_guess);

		guess_list.push_back(letter_guess);

		for (int v = 0; v < word_list.size(); v++) {
			for (int j = 0; j < guess_list.size(); j++) {

				if (letter_checker(word_list[v], guess_list[j]) == false) {
					word_list.erase(word_list.begin() + v);
					//new_word_list.push_back(word_list[v]);
				}
			}

		}
		

		//cout << "Size of new list is: " << new_word_list.size() << endl;
		cout << "Size of new list is: " << word_list.size() << endl;
		cout << "Letters used so far: ";
		for (int b = 0; b < guess_list.size(); b++) {
			cout << guess_list[b] << " ";

		}
		cout << endl;
		trials = trials + 1;

	}



	//system("PAUSE");
	return 0;
}
fivestar (180)
it says line 1795 but it doesn't even go that far.
r6racer (39)
it runs here on the forums C++ shell until it tries to open the text file, i cant access the text file. hopefully someone smarter than me will chime in. whats in the text file? let me copy it into mine.
Last edited on
fivestar (180)
Its a text file with like 40,000 words
r6racer (39)
haha i figured. if someone doesnt answer this one tonight, i'll have you send me the text file and i'll try to play with it. we're going over the same stuff this week in class so it'll be good practice for me
Last edited on
fivestar (180)
Im pretty sure its because of lines 96-105. but alright, appreciate the help.
Peter87 (11222)
I think you're right. If the last element is removed word_list[v] will be out of bounds in the next iteration of the inner loop.
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