davidmarek

use std::vec::Vec;

#[derive(Debug)]
struct Node {
    value: i32,
    left: Option<Box<Node>>,
    right: Option<Box<Node>>,
}

impl Node {

davidmarek

#define MAX 1000000007
#define FACT_MAX 250

int add(int a, int b){
	return (a + b) % MAX;
}

int mul(int a, in b){
	return ((long long)a * b) % MAX;
}

davidmarek

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import json
import urllib
import datetime
import time


def main():

davidmarek

import numpy as np


def check_grad(f, fprime, x0):
    eps = 1e-5
    approx = np.zeros(len(x0))
    for i in xrange(len(x0)):
        x0_ = x0.copy()
        x0_[i] += eps
        approx[i] = (f(x0_) - f(x0)) / eps