prefix stringlengths 0 918k | middle stringlengths 0 812k | suffix stringlengths 0 962k |
|---|---|---|
//Given an object, return true if all keys are strings in lower
// case or all keys are strings in upper case, else return false.
// The function should return false is the given object is empty.
// Examples:
// >>> check_dict_case({"a": "apple", "b": "banana"})
// true
// >>> check_dict_case({"a": "apple", "A": "bana... | if (Object.keys(dict).length == 0){ | return false;
}
var case_type = -1;
for (let key in dict){
if (typeof key == "string"){
if (case_type == -1){
if (key == key.toUpperCase()){
case_type = 1;
}
else if (key == key.toLowerCase()){
... |
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... | long copyOfInput = a; | ArrayList<Long> arr = new ArrayList<Long>();
while (a % 2 == 0) {
arr.add(2l);
a /= 2;
}
for (long i = 3; i <= Math.sqrt(a); i += 2) {
while (a % i == 0) {
arr.add(i);
a /= i;
}
}
if (a > 2) {... |
from typing import List
def max_fill(grid: List[List[int]], capacity: int) -> int:
"""
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 water.
Each well has a corresponding bucket that can be used to extract water from it,
... | for i in range(0, len(row), capacity): | if 1 in row[i:i+capacity]:
times += 1
return times
|
//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... | if(number === 1 || number === 0){ | return false;
}
for(var i = 2; i < number; i++){
if(number % i === 0){
isPrime = false;
break;
}
}
return isPrime;
}).join(' ');
} |
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... | } | } |
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... | if (brackets.charAt(i) == '(') { | balance++;
} else {
balance--;
}
if (balance < 0) {
return false;
}
}
return balance == 0;
}
} |
//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... | grades_array.push("C"); | }
else if (grades[i] > 1.3){
grades_array.push("C-");
}
else if (grades[i] > 1.0){
grades_array.push("D+");
}
else if (grades[i] > 0.7){
grades_array.push("D");
}
else if (grades[i] > 0.0){
grades_array.push(... |
def encode(message: str) -> str:
"""
Write a function that takes a message, and encodes in such a
way that it swaps case of all letters, replaces all vowels in
the message with the letter that appears 2 places ahead of that
vowel in the english alphabet.
Assume only letters.
Exampl... | if ch.isupper(): | return ch.lower()
else:
return ch.upper()
def encode_vowel(ch: str) -> str:
if ch.lower() in 'aeiou':
if ch.lower() in 'wxyz':
return ch.lower()
return chr(ord(ch) + 2)
return ch
return ''.join(map(lambda ch: encode_vowel(sw... |
//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... | grades_array.push("A"); | }
else if (grades[i] > 3.3){
grades_array.push("A-");
}
else if (grades[i] > 3.0){
grades_array.push("B+");
}
else if (grades[i] > 2.7){
grades_array.push("B");
}
else if (grades[i] > 2.3){
grades_array.push(... |
//You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of arrays, [(x1, y1), (x2, y2) ...] such that
// each array is a coordi... | return a[0] - b[0] || b[1] - a[1]; | });
}
|
//You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of arrays, [(x1, y1), (x2, y2) ...] such that
// each array is a coordi... | for (let i = 0; i < lst.length; i++){ | let array = lst[i];
for (let j = 0; j < array.length; j++){
if (lst[i][j] === x){
coordinates.push([i, j]);
}
}
}
return coordinates.sort(function(a, b){
return a[0] - b[0] || b[1] - a[1];
});
}
|
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 string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as ... | for (int i = 0; i < s.length(); i++) { | if (Character.isLetter(s.charAt(i))) {
letterNotFound = false;
if (Character.isUpperCase(s.charAt(i))) {
sb.append(Character.toLowerCase(s.charAt(i)));
} else {
sb.append(Character.toUpperCase(s.charAt(i)));
... |
//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 ( - )
... | break; | }
operand.splice(0, 1);
operator.splice(0, 1);
}
return 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 {
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and return... | return "Yes"; | }
} |
//In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible ... | while(num2 < lst2.length && exchange == false){ | if(lst2[num2] % 2 == 0){
lst1[num1] = lst2[num2];
exchange = true;
}
num2++;
}
}
}
num1++;
}
if(exchange){
return "YES";
}else{
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 {
// Given a positive integer n, return a sorted array list that has the odd numbers in collatz sequence.
// The Collatz conjecture is a... | while (n1 > 1) { | if (n1 % 2 == 1) odds.add(n1);
n1 = n1 % 2 == 0 ? n1 / 2 : 3 * n1 + 1;
}
odds.add(1l);
Long[] odds_arr = odds.toArray(new Long[odds.size()]);
ArrayList<Long> ans = new ArrayList<Long>(Arrays.asList(odds_arr));
Collections.sort(ans);
return ans;
... |
//Return sorted unique elements in an array
// >>> unique([5, 3, 5, 2, 3, 3, 9, 0, 123])
// [0, 2, 3, 5, 9, 123]
function unique(l){
return l.filter(function(e, i, a){ | return a.indexOf(e) === i; | }).sort(function(a, b){return a-b});
}
|
def int_to_mini_roman(number: int) -> str:
"""
Given a positive integer, obtain its roman numeral equivalent as a string,
and return it in lowercase.
Restrictions: 1 <= num <= 1000
Examples:
>>> int_to_mini_roman(19)
'xix'
>>> int_to_mini_roman(152)
'clii'
>>> int_to_mini_roman(... | 400: 'cd', | 100: 'c',
90: 'xc',
50: 'l',
40: 'xl',
10: 'x',
9: 'ix',
5: 'v',
4: 'iv',
1: 'i'
}
roman_numeral = ''
for key in sorted(roman_numerals.keys(), reverse=True):
roman_numeral += roman_numerals[key] * (number // key)
number ... |
from typing import List
def by_length(arr: List[int]) -> List[str]:
"""
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... | digits.reverse() | for i in range(len(digits)):
digits[i] = ['One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine'][digits[i] - 1]
return digits
|
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[i] = 1 | maxValue = -1
for key, value in dic.items():
if value >= key and key > maxValue:
maxValue = key
return maxValue
|
//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] = Math.pow(operand[count], operand[count + 1]); | operand.splice(count + 1, 1);
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 '+':
... |
from typing import List
def do_algebra(operator: List[str], operand: List[int]) -> int:
"""
Given two lists operator, and operand. The first list has basic algebra operations, and
the second list is a list of integers. Use the two given lists to build the algebric
expression and return the evaluation... | return eval("".join(expr)) | |
//Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// >>> will_it_fly([1, 2], 5)
// false
// # 1+2 is less than the maximum ... | return balanced && sum <= w; | } |
//The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// >>>... | if(n == 2){ | return 1;
}
return fibfib(n-1) + fibfib(n-2) + fibfib(n-3);
}
|
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 an array array list of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
... | else c2 -= 1; | if (c2 < 0) break;
}
if (c1 == 0 || c2 == 0) return "Yes";
else return "No";
}
} |
//"Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
//... | return result; | }
|
//Given an object, return true if all keys are strings in lower
// case or all keys are strings in upper case, else return false.
// The function should return false is the given object is empty.
// Examples:
// >>> check_dict_case({"a": "apple", "b": "banana"})
// true
// >>> check_dict_case({"a": "apple", "A": "bana... | } | |
//Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// >>> is_sorted([5])
// true
// >>> is_sorted([1, 2, 3, 4, 5])
// true
// >>> is_sorted([1, 3, 2, 4... | var last = null; | var dupe_found = false;
for (var x of lst){
if (last == null){
last = x;
} else if (x < last){
return false;
} else if (x == last){
if (dupe_found){
return false;
} else {
dupe_found = true;
}
... |
//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... | } | }
}
if(x > 0){
neighbours.push(grid[x - 1][y]);
}
if(x < n - 1){
neighbours.push(grid[x + 1][y]);
}
if(y > 0){
neighbours.push(grid[x][y - 1]);
}
if(y < n - 1){
neighbours.push(grid[x][y + 1]);
... |
from typing import List
def double_the_difference(lst: List[float]) -> int:
"""
Given a list of numbers, return the sum of squares of the numbers
in the list that are odd. Ignore numbers that are negative or not integers.
>>> double_the_difference([1, 3, 2, 0])
10
>>> double_the_difference... | sum += x * x | return sum
|
//In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// >>> sort_array([1, 5, 2, 3, 4])
// [1, 2, 3, 4, 5]
// >>> sort_array([-... | }); | } |
//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... | var min_strength = 1; | for (var i = 0; i < extensions.length; i++) {
var strength = -1*(extensions[i].replace(/[^A-Z]/g, "").length - extensions[i].replace(/[^a-z]/g, "").length);
if (strength < min_strength) {
min_strength = strength;
output = class_name + "." + extensions[i];
}
}
return output;
}
|
def anti_shuffle(s: str) -> str:
"""
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: ... | shuffled_words = [''.join(sorted(word)) for word in words] | return ' '.join(shuffled_words)
|
//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"])
/... | max_unique = unique_word; | }
}
}
return max_unique_word;
} |
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, count the number of uppercase vowels in even indices.
// For example:
// >>> countUpper(("aBCdEf"))
// (1... | } | |
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... | } | }
else {
seen_2_in_a_row = false;
}
previous_number = number.intValue();
running_max = number.intValue();
}
}
}
... |
//Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// >>> closest_integer("10")
// 10
// >>> closest_integer("15.3")
// 15
// Note:
// Rounding away from zero means that i... | value = parseFloat(value); | if(value > 0){
if(value - Math.floor(value) < 0.5){
return Math.floor(value);
}else{
return Math.ceil(value);
}
}else{
if(value - Math.floor(value) > -0.5){
return Math.floor(value);
}else{
return Math.ceil(value);
}... |
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; | }
} |
//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_bracketing("><<>")
// false
function correct_bracketing(brackets)... | return opens === 0; | }
|
//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.... | a = numbers[i]; | b = numbers[j];
}
}
}
return a > b ? [b, a] : [a, b];
}
|
//Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// >>> add_elements([111, 21, 3, 4000, 5, 6, 7, 8, 9], 4)
// 24
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
function add_elements(ar... | sum += arr[i]; | }
}
return sum;
}
|
//Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// >>> intersperse([], 4)
// []
// >>> intersperse([1, 2, 3], 4)
// [1, 4, 2, 4, 3]
function intersperse(numbers, delimeter){
var result = [];
for(var i = 0; i < numbers.length; i++){ | result.push(numbers[i]); | if(i !== numbers.length - 1){
result.push(delimeter);
}
}
return result;
}
|
//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... | } | |
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 an array array list of numbers as input and returns
// the number of elements in the array array list ... | n /= 10; | }
Collections.reverse(digits);
return digits.stream().mapToLong(i -> i).toArray();
}
}
helper h = new helper();
return nums.stream().filter(x -> x > 10).filter(x -> {
long firstDigit = h.getFirstDigit(x);
long la... |
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... | return min2 if min1 != min2 else None | |
def is_multiply_prime(a: int) -> bool:
"""Write a function that returns true if the given number is the multiplication of 3 prime numbers
and false otherwise.
Knowing that (a) is less then 100.
Example:
>>> is_multiply_prime(30)
True
30 = 2 * 3 * 5
"""
n = a | d = 2 | prime_factors = []
while d * d <= n:
if n % d == 0:
prime_factors.append(d)
n //= d
else:
d += 1
if n > 1:
prime_factors.append(n)
if len(prime_factors) == 3:
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 {
// Return true if a given number is prime, and false otherwise.
// >>> isPrime((6l))
// (false)
// >>> isPrime((101l))
// ... | i += 6; | }
return true;
}
} |
//You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// >>> get_max_triples(5)
// 1
// Ex... | let arr = []; | for(let i = 1; i<=n; i++){
arr.push(i*i-i+1);
}
for(let i = 0; i<arr.length; i++){
for(let j = i+1; j<arr.length; j++){
for(let k = j+1; k<arr.length; k++){
if((arr[i]+arr[j]+arr[k])%3 === 0){
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 {
// Check if in given array list of numbers, are any two numbers closer to each other than
// given threshold.
// >>> hasCloseEleme... | for (int i = 0; i < numbers.size() - 1; i++) { | if (numbers.get(i+1) - numbers.get(i) < threshold) {
return true;
}
}
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 {
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and r... | ArrayList<Long> res = new ArrayList<Long>(); | char[] chars = music_string.toCharArray();
for (int i = 0; i < chars.length; i++) {
if (chars[i] == 'o') {
if (i + 1 < chars.length && chars[i + 1] == '|') {
res.add((long)2l);
i += 1;
} else {
res.ad... |
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 {
// Filter given array list of any javathon values only for integers
// >>> filterIntegers((new ArrayList<Object>(Arrays.asList((String... | } | } |
//Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous ... | } | |
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... | } | |
//The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// >>> special_factorial(4)
// 288
// The function will receive an integer as input and should return the special
// factorial of this integer.
function special_factorial(n){
if (n > 0... | return fact * special_factorial(n - 1); | } else {
return 1;
}
}
|
def largest_divisor(n: int) -> int:
""" For a given number n, find the largest number that divides n evenly, smaller than n
>>> largest_divisor(15)
5
"""
| divisor = n - 1 | while n % divisor != 0:
divisor -= 1
return divisor
|
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 the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// >>> fizzBuzz((50l))
... | String s = String.valueOf(i); | for (int j = 0; j < s.length(); j++) {
if (s.charAt(j) == '7') {
res++;
}
}
}
}
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 {
// "
// This function will take an array array list of integers. For all entries in the array list, the function shall square the inte... | } | |
//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... | return output; | }
|
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 an array array list of integers.
// You need to find the largest prime value and return the sum of its digits.
//... | if (counter == 2) { | if (number > largestPrime) {
largestPrime = number;
}
}
}
if (largestPrime == 0) {
return 0l;
}
else {
long output = 0l;
while (largestPrime > 0) {
output += largestPrime %... |
from typing import List
def pairs_sum_to_zero(l: List[int]) -> bool:
"""
pairs_sum_to_zero takes a list of integers as an input.
it returns True if there are two distinct elements in the list that
sum to zero, and False otherwise.
>>> pairs_sum_to_zero([1, 3, 5, 0])
False
>>> pairs_sum_to_z... | return True | 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 {
// You are given an array array list of numbers.
// You need to return the sum of squared numbers in the given array list,
// roun... | } | |
from typing import List
def separate_paren_groups(paren_string: str) -> List[str]:
""" Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
separate those group into separate strings and return the list of those.
Separate groups are balanced (each open brace ... | return groups | |
//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 determine if a person correctly guessed the results of a number of matches.
// You are given two ... | } else { | result.push(Math.abs(game[i] - guess[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 {
// Write a function that accepts an array array list of strings.
// The array list contains different words. Return the word with maxi... | } | return compareResult;
}
});
return words.get(0);
}
} |
//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;
}
|
//Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i ... | } | return arr;
} |
//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... | } | if(!planets[planet1] || !planets[planet2]){
return [];
}
var keys = Object.keys(planets);
var position1 = keys.indexOf(planet1);
var position2 = keys.indexOf(planet2);
if(position1 > position2){
var temp = position1;
position1 = position2;
position2 = temp;
}
... |
//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... | if (result.length === 0) { | return ""
} else {
return result[0];
}
}
} |
//This function takes an array l and returns an array 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 indicies of l, but sorted.
// >>> sort_third([1, 2, 3])
// [1, 2, 3]
//... | for(let i=0;i<l.length;i++){ | if(i%3==0){
x[i]=y[k];
k=k+1;
}
}
return x;
} |
//Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// >>> is_multiply_prime(30)
// true
// 30 = 2 * 3 * 5
function is_multiply_prime(a){
a = Math.abs(a);
const prime = [2, 3, 5, 7, 11, 13, 1... | }else{ | i++;
}
}
if(check.length == 3){
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 {
// 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... | } | 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) + sortedList.get... |
//Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// >>> double_the_difference([1, 3, 2, 0])
// 10
// >>> double_the_difference([-1, -2, 0])
// 0
// >>> double_the_difference([9, -2])
// 81
// >>> double_the_difference([... | if(lst[i] % 2 == 1 && lst[i] > 0){ | sum += lst[i] ** 2;
}
}
return sum;
}
|
//You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return undefined if there is no such element.
// >>> next_smallest([1, 2, 3, 4, 5])
// 2
// >>> next_smallest([5, 1, 4, 3, 2])
// 2
// >>> next_smallest([])
// undefined
// >>> next_smallest(... | if(second_smallest==Number.MAX_VALUE){ | return undefined;
}
return second_smallest;
} |
//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... | } | |
from typing import Union
def compare_one(a: Union[int, float, str], b: Union[int, float, str]) -> Union[int, float, str, None]:
"""
Create a function that takes integers, floats, or strings representing
real numbers, and returns the larger variable in its given variable type.
Return None if the values ... | if a > b: | return a
elif a < b:
return b
else:
return None
elif isinstance(a, float) and isinstance(b, float):
if a > b:
return a
elif a < b:
return b
else:
return None
elif isinstance(a, str) and isinstance(b, ... |
//Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// >>> solution([5, 8, 7, 1])
// 12
// >>> solution([3, 3, 3, 3, 3])
// 9
// >>> solution([30, 13, 24, 321])
// 0
function solution(lst){
let result = 0;
for (let i = 0; i < lst.length; 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 an array array list of numbers, return whether or not they are sorted
// in ascending order. If array list has more than 1 du... | if (running_max > number.intValue()) { | return false;
}
else {
if (previous_number == number.intValue()) {
if (seen_2_in_a_row) {
return false;
}
else {
... |
//"
// This function will take an array of integers. For all entries in the array, the function shall square the integer entry if its index is a
// multiple of 3 and will cube the integer entry if its index is a multiple of 4 and not a multiple of 3. The function will not
// change the entries in the array whose inde... | } | |
//Concatenate array of strings into a single string
// >>> concatenate([])
// ""
// >>> concatenate(["a", "b", "c"])
// "abc"
function concatenate(strings){
if(strings.length === 0){
return "";
}
var string = strings.join("");
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 {
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into s... | } | |
//You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// >>> words_string("Hi, my name is John")
// ["Hi", "my", "name", "is", "John"]
// >>> words_string("One, two, three, four, five, six")
// ["One", "two",... | } | |
//The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// >>> special_factorial(4)
// 288
// The function will receive an integer as input and should return the special
// factorial of this integer.
function special_factorial(n){
if (n > 0... | fact *= i; | }
return fact * special_factorial(n - 1);
} else {
return 1;
}
}
|
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 number n, find the largest number that divides n evenly, smaller than n
// >>> largestDivisor((15l))
// (5l)
pu... | } | }
return 1;
}
} |
def prime_length(string: str) -> bool:
"""Write a function that takes a string and returns True if the string
length is a prime number or False otherwise
Examples
>>> prime_length('Hello')
True
>>> prime_length('abcdcba')
True
>>> prime_length('kittens')
True
>>> prime_length('or... | if (num % i) == 0: | return False
else:
return True
else:
return False
pass
|
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 representing a space separated lowercase letters, return a hash map
// of the letter with the most repetition and co... | s.put(key, hm.get(key)); | }
}
}
return s;
}
} |
//Given an object, return true if all keys are strings in lower
// case or all keys are strings in upper case, else return false.
// The function should return false is the given object is empty.
// Examples:
// >>> check_dict_case({"a": "apple", "b": "banana"})
// true
// >>> check_dict_case({"a": "apple", "A": "bana... | return false; | }
}
}
else{
return false;
}
}
return true;
} |
from typing import List
def will_it_fly(q: List[int], w: int) -> bool:
"""
Write a function that returns True if the object q will fly, and False otherwise.
The object q will fly if it's balanced (it is a palindromic list) and the sum of its elements is less than or equal the maximum possible weight w.
... | s = sum(q) | return s <= w and q == q[::-1]
|
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 FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fib... | return memo[(int) 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 {
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// >>> largestPrimeFactor((13195l))
// (29l)
// >>> ... | } | } |
def int_to_mini_roman(number: int) -> str:
"""
Given a positive integer, obtain its roman numeral equivalent as a string,
and return it in lowercase.
Restrictions: 1 <= num <= 1000
Examples:
>>> int_to_mini_roman(19)
'xix'
>>> int_to_mini_roman(152)
'clii'
>>> int_to_mini_roman(... | 90: 'xc', | 50: 'l',
40: 'xl',
10: 'x',
9: 'ix',
5: 'v',
4: 'iv',
1: 'i'
}
roman_numeral = ''
for key in sorted(roman_numerals.keys(), reverse=True):
roman_numeral += roman_numerals[key] * (number // key)
number = number % key
return roman_nume... |
//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 ( - )
... | do_again = false; | }
}
answer = operand[0];
operand.splice(0, 1);
while(operand.length > 0){
switch(operator[0]){
case '+':
answer += operand[0];
break;
case '-':
answer -= operand[0];
break;
}
operand.splice(0, 1);
operator.splice(0, 1);
}
return answer;
}
|
from typing import List
def specialFilter(nums: List[int]) -> int:
"""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:
>>> specialFilte... | rev = int(str(num)[::-1]) | if num % 2 != 0 and rev % 2 != 0:
count += 1
return count
|
def words_in_sentence(sentence: str) -> str:
"""
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 t... | def is_prime(n: int) -> bool: | if n <= 1:
return False
for i in range(2, n):
if n % i == 0:
return False
return True
words = sentence.split()
prime_words = []
for word in words:
if is_prime(len(word)):
prime_words.append(word)
return ' '.join(prime_w... |
//For a given number n, find the largest number that divides n evenly, smaller than n
// >>> largest_divisor(15)
// 5
function largest_divisor(n){
let ld = 0;
for(i=1; i<n; i++){
if(n%i===0){
if(i>ld){
ld = i;
}
}
} | return ld; | } |
//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 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 {
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// >>> c... | } | |
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 {
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a ... | String[] n_nums = n.split("/"); | int x_num = Integer.parseInt(nums[0]);
int n_num = Integer.parseInt(n_nums[0]);
int x_denom = Integer.parseInt(nums[1]);
int n_denom = Integer.parseInt(n_nums[1]);
int res_num = x_num * n_num;
int res_denom = x_denom * n_denom;
return (res_num % res_denom == 0);
}
} |
//In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total numb... | } | |
//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... | isPrime = false; | break;
}
}
return isPrime;
}).join(' ');
} |
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 an array array list of numbers as input and returns
// the number of elements in the array array list ... | helper h = new helper(); | return nums.stream().filter(x -> x > 10).filter(x -> {
long firstDigit = h.getFirstDigit(x);
long lastDigit = h.getLastDigit(x);
return firstDigit % 2 != 0 && lastDigit % 2 != 0;
}).count();
}
} |
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