prefix stringlengths 0 918k | middle stringlengths 0 812k | suffix stringlengths 0 962k |
|---|---|---|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// remove_vowels is a function that takes string and returns string without vowels.
// >>> removeVowels((""))
// ("")
// >>> r... | } | }
return newText;
}
} |
//Given an integer. return an array that has the number of even and odd digits respectively.
// Example:
// >>> even_odd_count(-12)
// [1, 1]
// >>> even_odd_count(123)
// [1, 2]
function even_odd_count(num){
num = Math.abs(num);
var evens = 0;
var odds = 0;
for(var i = 0; i < num.toString().length; i++){ | if(num.toString()[i] % 2 == 0){ | evens ++;
}
else{
odds ++;
}
}
return [evens, odds];
}
|
from typing import List
def count_nums(arr: List[int]) -> int:
"""
Write a function count_nums which takes an array of integers and returns
the number of elements which has a sum of digits > 0.
If a number is negative, then its first signed digit will be negative:
e.g. -123 has signed digits -1, 2,... | return n | |
//Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// >>> right_angle_triangle(3, 4, 5)
// true
// >>> right_angle_triangle(1, 2, 3... | return false; | }
}
|
from typing import List, Tuple
def find_closest_elements(numbers: List[float]) -> Tuple[float, float]:
""" From a supplied list of numbers (of length at least two) select and return two that are the closest to each
other and return them in order (smaller number, larger number).
>>> find_closest_elements([1... | if numbers[i] > numbers[j]: | temp = abs(numbers[i] - numbers[j])
temp_index = i
temp2_index = j
if numbers[temp_index] > numbers[temp2_index]:
temp, temp2 = numbers[temp2_index], numbers[temp_index]
else:
temp, temp2 = numbers[temp_index], numbers[temp2_index]
... |
//Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// >>> split... | } | } |
//Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a c... | } | }
}
return num_collisions;
}
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Return array list of all prefixes from shortest to longest of the input string
// >>> allPrefixes(("abc"))
// (new ArrayList<St... | } | return result;
}
} |
from typing import List, Tuple
def find_closest_elements(numbers: List[float]) -> Tuple[float, float]:
""" From a supplied list of numbers (of length at least two) select and return two that are the closest to each
other and return them in order (smaller number, larger number).
>>> find_closest_elements([1... | else: | temp, temp2 = numbers[temp_index], numbers[temp2_index]
return temp, temp2
print(find_closest_elements([1.0, 2.0, 3.0, 4.0, 5.0, 2.2])) |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Know... | } | }
if (a > 2) {
arr.add(a);
}
return arr.size() == 3;
}
} |
//prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// >>> prime_fib(1)
// 2
// >>> prime_fib(2)
// 3
// >>> prime_fib(3)
// 5
// >>> prime_fib(4)
// 13
// >>> prime_fib(5)
// 89
function prime_fib(n){
function isPrime(number){
if(number <= 3){
return number > 1;
... | } |
return b;
}
var res = 0;
var fibNum = 0;
while(res < n){
if(isPrime(fib(fibNum))){
res++;
}
fibNum++;
}
return fib(fibNum - 1);
} |
//Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// >>> find_max(["name", "of", "string"])
/... | } | return max_unique_word;
} |
from typing import List, Optional
def longest(strings: List[str]) -> Optional[str]:
""" Out of list of strings, return the longest one. Return the first one in case of multiple
strings of the same length. Return None in case the input list is empty.
>>> longest([])
None
>>> longest(['a', 'b', 'c'])... | if not strings: | return None
else:
long = strings[0]
for s in strings:
if len(s) > len(long):
long = s
return long
|
//You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letter... | output = class_name + "." + extensions[i]; | }
}
return output;
}
|
//Given an array of non-negative integers, return a cojs of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change t... | } | |
//It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that ca... | for (var i = 0; i < grades.length; i++){ | if (grades[i] >= 4.0){
grades_array.push("A+");
}
else if (grades[i] > 3.7){
grades_array.push("A");
}
else if (grades[i] > 3.3){
grades_array.push("A-");
}
else if (grades[i] > 3.0){
grades_array.push("B+");
... |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// >>> primeFib((1l))
// (2l)
// >>> primeFib... | } | return fib;
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <=... | if (num >= 90) { | res += "xc";
num -= 90;
}
if (num >= 50) {
res += "l";
num -= 50;
}
if (num >= 40) {
res += "xl";
num -= 40;
}
while (num >= 10) {
res += "x";
num -= 10;
}
if (... |
//Given a string, find out how many distinct characters (regardless of case) does it consist of
// >>> count_distinct_characters("xyzXYZ")
// 3
// >>> count_distinct_characters("Jerry")
// 4
function count_distinct_characters(string){
var arr = string.split("");
var result = [];
for(var i = 0; i < arr.length; i++... | if(result.indexOf(arr[i].toLowerCase()) < 0){ | result.push(arr[i].toLowerCase());
}
}
return result.length;
}
|
//Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return undefined in case the input array is empty.
// >>> longest([])
// undefined
// >>> longest(["a", "b", "c"])
// "a"
// >>> longest(["a", "bb", "ccc"])
// "ccc"
function longest(strings){
va... | return undefined; | }
for (var i = 0; i < strings.length; i++) {
if (!result || strings[i].length > result.length) {
result = strings[i];
}
}
return result;
}
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given a non-empty array list of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// ... | } | |
from typing import List
def max_element(l: List[int]) -> int:
"""Return maximum element in the list.
>>> max_element([1, 2, 3])
3
>>> max_element([5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10])
123
"""
| max_elem = l[0] | for i in range(1, len(l)):
if l[i] > max_elem:
max_elem = l[i]
return max_elem
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into s... | output.add(temp.toString()); | }
}
}
return output;
}
} |
//You are given a string s.
// Your task is to check if the string is hapjs or not.
// A string is hapjs if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// >>> is_happy(a)
// false
// >>> is_happy(aa)
// false
// >>> is_happy(abcd)
// true
// >>> is_happy(aabb)
// false
// >>> i... | happy = false; | }
}
return happy;
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of wa... | long count = 0l; | for (ArrayList<Long> well : grid) {
long level = 0l;
for (Long unit : well) {
if (unit == 1l) {
level += 1l;
}
}
long units = level / capacity;
if (level % capacity != 0l) {
units += 1... |
from typing import List
def select_words(s: str, n: int) -> List[str]:
"""Given a string s and a natural number n, you have been tasked to implement
a function that returns a list of all words from string s that contain exactly
n consonants, in order these words appear in the string s.
If the string ... | for word in words: | count = 0
for char in word:
if char.lower() in CONSONANTS:
count += 1
if count == n:
result.append(word)
return result
|
//You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses... | stack.push(p); | } else if (p === close){
if (stack.length === 0){
return false;
}
stack.pop();
}
}
return stack.length === 0;
};
const str1 = lst[0];
const str2 = lst[1];
if (is_good(str1 + str2)){
return 'Yes';
}
if (is_good(str2 + str1)){
return 'Yes';
}
return 'No';
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with th... | long boredoms = 0; | String[] sentences = S.split("\\.\\s|\\?\\s|\\!\\s");
for (String sentence : sentences) {
String[] words = sentence.split("\\s");
if (words.length > 0 && words[0].equals("I")) {
boredoms++;
}
}
return boredoms;
}
} |
//Given two arrays operator, and operand. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
... | operand[count] = operand[count] * operand[count + 1]; | operand.splice(count + 1, 1);
operator.splice(count, 1);
count = 0;
do_again = true;
break;
case '//':
operand[count] = Math.floor(operand[count] / operand[count + 1]);
operand.splice(count + 1, 1);
operator.splice(count, 1);
count = 0;
... |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all word... | } | |
//Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a c... | let right_to_left = Array(n).fill(1); | for (let i = 0; i < left_to_right.length; i++) {
for (let j = 0; j < right_to_left.length; j++) {
if (left_to_right[i] == right_to_left[j]) {
num_collisions++;
}
}
}
return num_collisions;
}
|
//You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given stri... | while (i >= 0) { | if (vowels.includes(word[i])) {
if (i > 0 && i < word.length - 1) {
if (!vowels.includes(word[i-1]) && !vowels.includes(word[i+1])) {
result.push(word[i]);
}
}
}
i--;
}
if ... |
from typing import List
def sort_third(l: List[int]) -> List[int]:
"""This function takes a list l and returns a list l' such that
l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
to the values of the corresponding ... | while j >= 0 and l[j] > l[j + 3]: | l[j], l[j + 3] = l[j + 3], l[j]
j -= 3
return l
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given a non-empty array array list of integers arr and an integer k, return
// the sum of the elements with at most two digits from... | } | } |
//From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// >>> find_closest_elements([1.0, 2.0, 3.0, 4.0, 5.0, 2.2])
// [2.0, 2.2]
// >>> find_closest_elements([1.0, 2.0, 3.0, 4.0, 5.0, 2.0])
// [2.... | } | }
}
return a > b ? [b, a] : [a, b];
}
|
//Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in e... | let curr = neighbours[i]; | if(curr < nextCell){
nextCell = curr;
}
}
currCell = nextCell;
}
return path;
} |
//Return a greatest common divisor of two integers a and b
// >>> greatest_common_divisor(3, 5)
// 1
// >>> greatest_common_divisor(25, 15)
// 5
function greatest_common_divisor(a, b){
| let max = Math.max(a, b) | let min = Math.min(a, b)
if (max % min == 0) {
return min
} else {
return greatest_common_divisor(min, max % min)
}
}
|
//Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// >>> string_xor("010", "110")
// "100"
function string_xor(a, b){
var arrayA = [];
var arrayB = [];
var arrayXOR = [];
var result = '';
for (var i = 0; i < a.length; i++) {... | else { | arrayXOR.push(0);
}
}
result = arrayXOR.join('');
return result;
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// You will be given the name of a class (a string) and an array array list of extensions.
// The extensions are to be used to load ad... | } | return class_name + "." + strongest;
}
} |
//sum_to_n is a function that sums numbers from 1 to n.
// >>> sum_to_n(30)
// 465
// >>> sum_to_n(100)
// 5050
// >>> sum_to_n(5)
// 15
// >>> sum_to_n(10)
// 55
// >>> sum_to_n(1)
// 1
function sum_to_n(n){
var sum = 0;
for(var i = 1; i <= n; i++){
sum += i;
}
return sum; | } | |
//You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Ex... | var number = word.length; | var isPrime = true;
if(number === 1 || number === 0){
return false;
}
for(var i = 2; i < number; i++){
if(number % i === 0){
isPrime = false;
break;
}
}
return isPrime;
}).join(' ');
} |
//Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// >>> is_equal_to_sum_even(4)
// false
// >>> is_equal_to_sum_even(6)
// false
// >>> is_equal_to_sum_even(8)
// true
function is_equal_to_sum_even(n){
let m =0;
for(let i=2;i<n;i+=2){
for(let ... | } | }
}
if(m==1){
return true;
}
else{
return false;
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given an array array list of numbers, return whether or not they are sorted
// in ascending order. If array list has more than 1 du... | } | }
return true;
}
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift >... | } | } |
from typing import List
def search(lst: List[int]) -> int:
"""
You are given a non-empty list of positive integers. Return the greatest integer that is greater than
zero, and has a frequency greater than or equal to the value of the integer itself.
The frequency of an integer is the number of times i... | dic = dict() | for i in lst:
if i in dic:
dic[i] += 1
else:
dic[i] = 1
maxValue = -1
for key, value in dic.items():
if value >= key and key > maxValue:
maxValue = key
return maxValue
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
... | } | if (Character.isUpperCase(arr[i])) {
arr[i] = Character.toLowerCase(arr[i]);
} else {
arr[i] = Character.toUpperCase(arr[i]);
}
}
return new String(arr);
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you ... | } else { | result.add((long)0);
}
}
return result;
}
} |
//Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// >>> by_length([2, 1, 1, 4, 5, 8, 2, 3])
// ["Eight"... | else if(num == 8){ | arr3.push("Eight");
}
else if(num == 9){
arr3.push("Nine");
}
}
return arr3;
} |
//Return only positive numbers in the array.
// >>> get_positive([-1, 2, -4, 5, 6])
// [2, 5, 6]
// >>> get_positive([5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10])
// [5, 3, 2, 3, 9, 123, 1]
function get_positive(l){
| return l.filter(e=>e>0); | }
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// >>> isEqualToSum... | maxX = x - 1; | } else {
return true;
}
}
return false;
}
} |
//Return array of all prefixes from shortest to longest of the input string
// >>> all_prefixes("abc")
// ["a", "ab", "abc"]
function all_prefixes(string){
| var result = []; | for (var i = 1; i <= string.length; i++){
result.push(string.slice(0, i));
}
return result;
}
|
from typing import List, Tuple
def sum_product(numbers: List[int]) -> Tuple[int, int]:
""" For a given list of integers, return a tuple consisting of a sum and a product of all the integers in a list.
Empty sum should be equal to 0 and empty product should be equal to 1.
>>> sum_product([])
(0, 1)
... | return (sum, product) | |
def correct_bracketing(brackets: str) -> bool:
""" brackets is a string of "<" and ">".
return True if every opening bracket has a corresponding closing bracket.
>>> correct_bracketing('<')
False
>>> correct_bracketing('<>')
True
>>> correct_bracketing('<<><>>')
True
>>> correct_bra... | if num_left_brackets < 0: | return False
return num_left_brackets == 0
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Return maximum element in the array list.
// >>> maxElement((new ArrayList<Long>(Arrays.asList((long)1l, (long)2l, (long)3l))))
... | return max; | }
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function count_nums which takes an array array list of integers and returns
// the number of elements which has a sum of di... | } | }
return result;
}
} |
//Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a c... | num_collisions++; | }
}
}
return num_collisions;
}
|
from typing import Tuple
def even_odd_palindrome(n: int) -> Tuple[int, int]:
"""
Given a positive integer n, return a tuple that has the number of even and odd
integer palindromes that fall within the range(1, n), inclusive.
Example 1:
>>> even_odd_palindrome(3)
(1, 2)
Explanation:
... | sum(1 for i in range(1, n + 1) if str(i) == str(i)[::-1] and i % 2 == 0), | sum(1 for i in range(1, n + 1) if str(i) == str(i)[::-1] and i % 2 != 0)
)
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// "Given an array array list representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the ... | long minValue = -1; | for (int i = 0; i < arr.size(); i++) {
if (arr.get(i) % 2 == 0) {
if (minIndex == -1 || arr.get(i) < minValue) {
minIndex = i;
minValue = arr.get(i);
}
}
}
ArrayList<Long> newArr = new ArrayList<Long>... |
//You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letter... | } | |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <=... | num -= 50; | }
if (num >= 40) {
res += "xl";
num -= 40;
}
while (num >= 10) {
res += "x";
num -= 10;
}
if (num >= 9) {
res += "ix";
num -= 9;
}
if (num >= 5) {
res += "v";
n... |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// >>> correc... | for (int i = 0; i < brackets.length(); i++) { | if (brackets.charAt(i) == '(') {
balance++;
} else {
balance--;
}
if (balance < 0) {
return false;
}
}
return balance == 0;
}
} |
from typing import List
def find_max(words: List[str]) -> str:
"""Write a function that accepts a list of strings.
The list contains different words. Return the word with maximum number
of unique characters. If multiple strings have maximum number of unique
characters, return the one which comes first ... | max_word = word | elif unique_num == max_num:
if word < max_word:
max_word = word
return max_word
|
def is_simple_power(x: int, n: int) -> bool:
"""Your task is to write a function that returns true if a number x is a simple
power of n and false in other cases.
x is a simple power of n if n**int=x
For example:
>>> is_simple_power(1, 4)
true
>>> is_simple_power(2, 2)
true
>>> is_sim... | return False | x /= n
return True
|
//Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// >>> iscube(1)
// true
// >>> iscube(2)
// false
// >>> iscube(-1)
// true
// >>> iscube(64)
// true
// >>> iscube(0)
// true
// >>> iscube(... | return false; | }
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// >>> flipCase(("Hello"))
// ("hELLO")
... | if (Character.isLowerCase(string.charAt(i))) { | answer += Character.toUpperCase(string.charAt(i));
} else {
answer += Character.toLowerCase(string.charAt(i));
}
}
return answer;
}
} |
//Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// >>> make_palindrome("")
// ""
// >>> make_pa... | }; | var i = string_length;
while(i > 0){
if(is_palindrome(string.substring(0, i))){
return string + string.substring(0, string_length - i).split("").reverse().join("");
}
i--;
}
return string;
}
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given an array array list of positive integers x. return a sorted array list of all
// elements that hasn't any even digit.
//... | for (int i = 0; i < x.size(); i++) { | if (x.get(i) < 0) {
x.set(i, x.get(i)*(long)-1);
}
boolean unique = true;
long z = x.get(i);
while (z > 0) {
long y = z % 10;
if (y % 2 == 0) {
unique = false;
break;
... |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a par... | } | return false;
}
} |
//Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return undefined in case the input array is empty.
// >>> longest([])
// undefined
// >>> longest(["a", "b", "c"])
// "a"
// >>> longest(["a", "bb", "ccc"])
// "ccc"
function longest(strings){
va... | } | for (var i = 0; i < strings.length; i++) {
if (!result || strings[i].length > result.length) {
result = strings[i];
}
}
return result;
}
|
from typing import List
def compare(game: List[int], guess: List[int]) -> List[int]:
"""I think we all remember that feeling when the result of some long-awaited
event is finally known. The feelings and thoughts you have at that moment are
definitely worth noting down and comparing.
Your task is to det... | return [abs(game[i] - guess[i]) for i in range(len(game))] | |
from typing import List, Optional
def next_smallest(lst: List[int]) -> Optional[int]:
"""
You are given a list of integers.
Write a function next_smallest() that returns the 2nd smallest element of the list.
Return None if there is no such element.
>>> next_smallest([1, 2, 3, 4, 5])
2
>>> n... | elif lst[i] < min2: | min2 = lst[i]
return min2 if min1 != min2 else None
|
//Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// >>> by_length([2, 1, 1, 4, 5, 8, 2, 3])
// ["Eight"... | arr2.reverse(); | var arr3 = [];
for(var i = 0; i < arr2.length; i++){
var num = arr2[i];
if(num == 1){
arr3.push("One");
}
else if(num == 2){
arr3.push("Two");
}
else if(num == 3){
arr3.push("Three");
}
else if(num == 4){
... |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Implement a function that takes an non-negative integer and returns an array array list of the first n
// integers that are prime n... | isPrime = false; | break;
}
}
if (isPrime) {
arrayList.add(i);
}
}
return arrayList;
}
} |
//Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank sp... | } | |
//There are eight planets in our solar system: the closerst to the Sun
// is Mercury, the next one is Venus, then Earth, Mars, Jupiter, Saturn,
// Uranus, Neptune.
// Write a function that takes two planet names as strings planet1 and planet2.
// The function should return an array containing all planets whose orbit... | var planets = { | 'Mercury':1,
'Venus':2,
'Earth':3,
'Mars':4,
'Jupiter':5,
'Saturn':6,
'Uranus':7,
'Neptune':8
}
if(!planets[planet1] || !planets[planet2]){
return [];
}
var keys = Object.keys(planets);
var position1 = keys.indexOf(planet1);
... |
//Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// >>> strange_sort_list([1, 2, 3, 4])
// [1, 4, 2, 3]
// >>> strange_sort_list([5, 5, 5, 5])
// [5, 5, 5, 5]
// >>> str... | else{ | output.push(Math.max.apply(null, tmp));
}
tmp.splice(tmp.indexOf(output[i]), 1);
}
return output;
} |
def count_distinct_characters(string: str) -> int:
""" Given a string, find out how many distinct characters (regardless of case) does it consist of
>>> count_distinct_characters('xyzXYZ')
3
>>> count_distinct_characters('Jerry')
4
"""
assert isinstance(string, str) | s = set() | for l in string:
s.add(l.lower())
return len(s)
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function count_nums which takes an array array list of integers and returns
// the number of elements which has a sum of di... | sum = sum + (int) Character.getNumericValue(str.charAt(j)); | }
} else {
for (int j = 0; j < str.length(); j++) {
sum = sum + (int) Character.getNumericValue(str.charAt(j));
}
}
if (sum > 0) {
result++;
}
}
return result;
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately pr... | } | return p;
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// This function takes an array array list l and returns an array array list l' such that
// l' is identical to l in the indicies that... | l_e.add(l.get(i)); | } else {
l_r.add(l.get(i));
}
}
for (int i = 0; i < l_e.size(); i++) {
long min = l_e.get(i);
for (int j = i; j < l_e.size(); j++) {
if (l_e.get(j) < min) {
min = l_e.get(j);
l_e.set(j... |
//Given an integer. return an array that has the number of even and odd digits respectively.
// Example:
// >>> even_odd_count(-12)
// [1, 1]
// >>> even_odd_count(123)
// [1, 2]
function even_odd_count(num){
num = Math.abs(num);
var evens = 0;
var odds = 0; | for(var i = 0; i < num.toString().length; i++){ | if(num.toString()[i] % 2 == 0){
evens ++;
}
else{
odds ++;
}
}
return [evens, odds];
}
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
... | } | }
return sum;
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all word... | String[] words = s.split(" "); | for (String word : words) {
char[] chars = word.toCharArray();
Arrays.sort(chars);
sb.append(new String(chars));
sb.append(" ");
}
sb.deleteCharAt(sb.length() - 1);
return sb.toString();
}
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// triples_sum_to_zero takes an array array list of integers as an input.
// it returns true if there are three distinct elements in t... | return false; | }
ArrayList<Long> sortedList = new ArrayList<Long>(l);
Collections.sort(sortedList);
for (int i = 0; i < sortedList.size() - 2; i++) {
int j = i + 1;
int k = sortedList.size() - 1;
while (j < k) {
long currSum = sortedList.get(i) + sort... |
//Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// >>> specialFilter([15, -73, 14, -15])
// 1
// >>> specialFilter([33, -2, -3, 45, 21, 109])
//... | return count; | }
|
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array array list of all w... | if (consonants == n) { | ret.add(word);
}
}
return ret;
}
} |
def fib(n: int) -> int:
"""Return n-th Fibonacci number.
>>> fib(10)
55
>>> fib(1)
1
>>> fib(8)
21
"""
assert n >= 1
f0, f1 = 0, 1
for i in range(n - 1):
f0, f1 = f1, f0 + f1 | return f1 | |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array array list of all w... | default: | consonants++;
break;
}
}
if (consonants == n) {
ret.add(word);
}
}
return ret;
}
} |
//Given a positive integer N, return the total sum of its digits in binary.
// Example
// >>> solve(1000)
// "1"
// >>> solve(150)
// "110"
// >>> solve(147)
// "1100"
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
function solve(N){
let newN = N.toString();
l... | total += parseInt(digit); | }
return total.toString(2);
} |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Given array list of numbers (of at least two elements), apply a linear transform to that array list,
// such that the smallest numb... | float max = numbers.stream().max(Float::compare).get(); | return numbers.stream().map(e -> (e - min) / (max - min)).collect(Collectors.toCollection(ArrayList::new));
}
} |
//For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// >>> mean_absolute_deviation([1.0, 2.0, 3.0, 4.0])
//... | for(var i = 0; i < numbers.length; i++){ | sum += numbers[i];
}
var mean = sum / numbers.length;
var sum_abs_diff = 0;
for(var i = 0; i < numbers.length; i++){
sum_abs_diff += Math.abs(numbers[i] - mean);
}
return sum_abs_diff / numbers.length;
}
|
from typing import List
def f(n: int) -> List[int]:
""" Implement the function f that takes n as a parameter,
and returns a list of size n, such that the value of the element at index i is the factorial of i if i is even
or the sum of numbers from 1 to i otherwise.
i starts from 1.
the factorial of... | a.append(math.factorial(i)) | else:
a.append(sum(range(1,i+1)))
return a
pass |
//This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// >>> choose_num(12, 15)
// 14
// >>> choose_num(13, 12)
// -1
function choose_num(x, y){
var num ... | num = i; | }
}
return num;
}
|
//You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Ex... | } | return isPrime;
}).join(' ');
} |
//Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be... | var a = ["aa", "a", "aaa"]; | var b = ["ab", "a", "aaa", "cd"]; |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// From a given array list of integers, generate an array array list of rolling maximum element found until given moment
// in the seq... | } | |
//Return the largest prime factor of n. Assume n > 1 and is not a prime.
// >>> largest_prime_factor(13195)
// 29
// >>> largest_prime_factor(2048)
// 2
function largest_prime_factor(n){
var result = 2;
while(n > result){
if(n % result == 0){
n = n / result;
}
else{
result = result + 1;
}
}
return res... | } | |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For ex... | return result; | }
} |
//Given two arrays operator, and operand. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
... | operator.splice(count, 1); | count = 0;
do_again = true;
break;
default:
count++;
do_again = false;
}
}
answer = operand[0];
operand.splice(0, 1);
while(operand.length > 0){
switch(operator[0]){
case '+':
answer += operand[0];
break;
case '-':
answer ... |
import java.util.*;
import java.lang.reflect.*;
import org.javatuples.*;
import java.security.*;
import java.math.*;
import java.io.*;
import java.util.stream.*;
class Problem {
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into s... | } | return output;
}
} |
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