c650

itertools::base_iter<int, std::vector<int>::iterator>(a.begin(), a.end())
          .map<int>([](int a) { return 3 * a; })
          .reduce<int>(0, [](int& acc, int x) { return acc + x; });

c650

#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>

int main() {

  std::vector<int> v{1,2,3,4};
  
  std::vector<int> b;

c650

fn main() {
    let v = vec![1,2,3,4];
    
    let b = v.iter().map(|e| e * 2).filter(|e| e % 6 == 0).fold(0, |acc, x| acc + x);
    
    println!("{:?}", b);
}

c650

#include <iostream>
#include <vector>
#include <algorithm>

int main() {

  std::vector<int> v{1,2,3,4};
  
  std::vector<int> b;
  std::transform(v.begin(), v.end(), std::back_inserter(b), [](int a){return 2 * a;});

c650

fn main() {
    let v = vec![1,2,3,4];
    
    let b: Vec<i32> = v.iter().map(|e| e * 2).collect();
    
    println!("{:?}", b);
}

c650

arr = []
loop do
	s = gets.chomp
	break if s == "END"
	arr << s.to_f	
end

sum = 0
arr.map{|e| sum += e}

c650

#include <bits/stdc++.h>

#define FI first
#define SE second

typedef long long ll;
typedef std::pair<ll,ll> pairll;

const int rot_delta[4] = {3,0,0,1};

c650

#!/bin/env ruby

CASES = 25
PRODUCE_DATA = false

STDERR.puts "gif program ?"
program = gets.chomp

`g++ --std=c++17 -Wall -O2 -o #{program}.out #{program}.cpp`

c650

require 'csv'

# correlation-inator.rb
# by Charles (c650)
# Takes in CSV, calculates pairwise correlations but excluding empty cells

class Pair
	attr_accessor :a, :b
	def initialize(a, b)
		a.gsub!(/#/,"")

c650

#!/bin/env ruby
# A very crappy judging script

if ARGV.length < 2
	puts "Usage: ./program.rb [executable] [data folder]"
	exit
end

Dir.chdir(ARGV[1])
Dir.glob("case*").sort.each do |testcase|