//словарь

'use strict';

const fs = require('fs');


const isPunctuator = (x) =>
{
	return x === ' ' || x === '\n' || x === '\t' || x === '\r' || x === ','
			|| x === '.' || x === '-' || x === ',' || x === '(' || x === ')'
			|| x === ':' || x === ';' || x === '?' || x === '!' || x === '\''
			|| x === '"';
}

const lexer1 = (path) =>
{
	const data = fs.readFileSync(path, 'utf8');
	const arr = [];
	let wrd = false, lw;

	for (let i = 0; i < data.length; i++)
	{
		if (isPunctuator(data[i]))
		{
			if (wrd)
			{
				wrd = false;
				arr[lw] = true;
			}
		}
		else
		{
			if (wrd)
				lw += data[i];
			else
			{
				wrd = true;
				lw = data[i];
			}
		}
	}

	if (wrd)
	{
		wrd = false;
		arr[lw] = true;
	}

	return arr;
}

const lexer2 = (path, arr) =>
{
	const data = fs.readFileSync(path, 'utf8');
	let wrd = false, lw, x = 1, y = 1;;

	for (let i = 0; i < data.length; i++)
	{
		if (data[i] === '\n')
		{
			y++;
			x = 1;
		}
		else
			x++;


		if (isPunctuator(data[i]))
		{
			if (wrd)
			{
				wrd = false;
				if (!arr[lw])
					console.log(y + ',\t' + x + '\t' + lw);
			}

		} else
		{
			if (wrd)
				lw += data[i];
			else
			{
				wrd = true;
				lw = data[i];
			}
		}
	}

	if (wrd) {
		wrd = false;
		if (!arr[lw])
			console.log(y + ',\t' + x + '\t' + lw);
	}

	return arr;
}

lexer2(process.argv[3], lexer1(process.argv[2]));

//мемоизация + тесты

'use strict'

const memFunc = (fun) => {
    let cache = {};
    return (...args) => {
        let n = args[0];
        if (n in cache){
            return cache[n];
        }
        else {
            let result = fun(n);
            cache[n] = result;
            return result;
        }
    }
}

const fib = memFunc((n) => {
    let num;
    if (n >= 2){
        num = fib(n - 1) + fib (n - 2);
    }else num = n;

    return num;
});
//console.log(fib(40))

const trib = memFunc((n) => {
    let num;
    if (n < 2){
        return 0;
    }else if (n === 2)
        return 1;
    else num = trib(n - 1) + trib(n - 2) + trib(n - 3);

    return num;
});
console.log(trib(35));


const factorial = memFunc((x) => {
    if (x == 0) {
        return 1;
    }
    else {
        return x * factorial(x - 1);
    }
});
//console.log(factorial(100));

//тесты без мем.

'use strict'

const fib = (n) => {
    let num;

    if (n >= 2) {
        num = fib(n - 1) + fib (n - 2);
    } else {
        num = n
    }

    return num;
}
//console.log(fib(40));

const trib = (n) => {
    let num;
    if (n < 2){
        return 0;
    }else if (n === 2)
        return 1;
    else num = trib(n - 1) + trib(n - 2) + trib(n - 3);

    return num;
};
//console.log(trib(35));

const factorial = (n) =>{
    if (n == 0) {
        return 1;
    }
    else {
        return n * factorial(n - 1);
    }
};
console.log(factorial(100))