prefix stringlengths 0 918k | middle stringlengths 0 812k | suffix stringlengths 0 962k |
|---|---|---|
from typing import List
def sort_array(array: List[int]) -> List[int]:
"""
Given an array of non-negative integers, return a copy 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... | return array | |
//Filter an input array of strings only for ones that contain given substring
// >>> filter_by_substring([], "a")
// []
// >>> filter_by_substring(["abc", "bacd", "cde", "array"], "a")
// ["abc", "bacd", "array"]
function filter_by_substring(strings, substring){
var filtered = [];
for(var i = 0; i < strings.len... | } | |
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 integers, return array list in strange order.
// Strange sorting, is when you start with the minimum 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 {
// 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 arr... | } | return al;
}
} |
//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... | output.push(Math.max.apply(null, tmp)); | }
tmp.splice(tmp.indexOf(output[i]), 1);
}
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 {
// Write a function that accepts an array array list of strings as a parameter,
// deletes the strings that have odd lengths from it,
... | return s1.length() - s2.length(); | }
});
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"... | arr3.push("Six"); | }
else if(num == 7){
arr3.push("Seven");
}
else if(num == 8){
arr3.push("Eight");
}
else if(num == 9){
arr3.push("Nine");
}
}
return arr3;
} |
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 non-negative integers, return a cojava of the given array array list after sorting,
// you will sort t... | if(array.size()==0) { | return array;
}
if(array.size()==1) {
return array;
}
if(array.size()>1) {
if((array.get(0)+array.get(array.size()-1))%2==0) {
Collections.sort(array, Collections.reverseOrder());
}
else {
Collect... |
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 <=... | res += "ix"; | num -= 9;
}
if (num >= 5) {
res += "v";
num -= 5;
}
if (num >= 4) {
res += "iv";
num -= 4;
}
while (num >= 1) {
res += "i";
num -= 1;
}
return res;
}
} |
//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_simple_power(8, 2)
// true
// >>> is_simple_power(3, 2)
// fa... | return false; | }
if(x % n !== 0){
return false;
}
return is_simple_power(x/n, n);
}
|
//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... | } | 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 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(' ');
} |
from typing import List
def numerical_letter_grade(grades: List[float]) -> List[str]:
"""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.
Sh... | final.append('A-') | elif x > 3.0:
final.append('B+')
elif x > 2.7:
final.append('B')
elif x > 2.3:
final.append('B-')
elif x > 2.0:
final.append('C+')
elif x > 1.7:
final.append('C')
elif x > 1.3:
final.append('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 {
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group... | current_depth -= 1; | }
}
result.add(max_depth);
}
return result;
}
} |
//Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// >>> circular_shift(12, 1)
// "21"
// >>> circular_shift(12, 2)
// "12"
function circular_shift(x, shift){
var str = x.toString();
var len = str... | res = str.substring(len-shift) + str.substring(0, len-shift); | }
return res;
}
|
from typing import List
def sort_even(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 odd indicies, while its values at the even indicies are equal
to the values of the even indicies of l, but sorted.
>>> sort_even([1, 2, 3])
[... | for i in range(0, len(l), 2): | temp.append(l[i])
temp.sort()
for i in range(0, len(l), 2):
l[i] = temp[i // 2]
return l |
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 ... | for word in words: | unique_num = len(set(word))
if unique_num > max_num:
max_num = unique_num
max_word = word
elif unique_num == max_num:
if word < max_word:
max_word = word
return max_word
|
//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;
}
|
from typing import List
def Strongest_Extension(class_name: str, extensions: List[str]) -> str:
"""You will be given the name of a class (a string) and a list 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 nu... | if n_uppercase - n_lowercase > best_strength: | best_strength = n_uppercase - n_lowercase
best_extension = extension
return class_name + '.' + best_extension |
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... | switch (c) { | case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
break;
default:
consonants++;
break;
}
}
... |
def count_upper(s: str) -> int:
"""
Given a string s, count the number of uppercase vowels in even indices.
For example:
>>> count_upper('aBCdEf')
1
>>> count_upper('abcdefg')
0
>>> count_upper('dBBE')
0
"""
| vowel_set = set('AEIOU') | count = 0
for i in range(0, len(s), 2):
if s[i] in vowel_set:
count += 1
return count
"""
D.1 Recursion
Given a positive integer n, write a recursive function that returns the sum of the squares of the
positive odd integers smaller than n. Assume n is greater than or equal to 3.
""" |
//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 array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input stri... | group += paren_string[i]; | }
if (count === 0 && group){
groups.push(group);
group = '';
}
}
return groups;
}
|
from typing import List
def parse_nested_parens(paren_string: str) -> List[int]:
""" Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
For each of the group, output the deepest level of nesting of parentheses.
E.g. (()()) has maximum two levels of ne... | for paren in parens: | if paren == '(':
current_depth += 1
max_depth = max(max_depth, current_depth)
elif paren == ')':
current_depth -= 1
result.append(max_depth)
return result
|
//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 x = null; | let y = null;
for(let i = 0; i < n; i++){
for(let j = 0; j < n; j++){
if(grid[i][j] === currCell){
x = i;
y = j;
}
}
}
if(x > 0){
neighbours.push(grid[x - 1][y]);
}
... |
//Check if two words have the same characters.
// >>> same_chars("eabcdzzzz", "dddzzzzzzzddeddabc")
// true
// >>> same_chars("abcd", "dddddddabc")
// true
// >>> same_chars("dddddddabc", "abcd")
// true
// >>> same_chars("eabcd", "dddddddabc")
// false
// >>> same_chars("abcd", "dddddddabce")
// false
// >>> same_char... | break; | }
}
return res;
}
|
//Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return undefined if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// >>> compare_one(1, 2.5)
// 2.5
//... | if (typeof a === typeof b){ | if (a > b) {
return a;
} else if (a < b) {
return b;
} else {
return undefined;
}
}
else if (typeof a === "string" && typeof b === "number"){
if (a[0] > b){
return a;
} else if (a[0] < b){
return b;
} else {
return undefined;
}
}
else if (typeo... |
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 {
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// >>> howManyTimes((""), ("a"))... | count++; | }
}
return count;
}
} |
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.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(swap_case(ch)), message))
|
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... | return count | |
//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)... | } | else if (brackets[i] === ">") {
opens--;
}
if (opens < 0) {
return false;
}
}
return opens === 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 a string containing space-delimited numbers starting from 0 upto n inclusive.
// >>> stringSequence((0l))
// ("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 the largest prime factor of n. Assume n > 1 and is not a prime.
// >>> largestPrimeFactor((13195l))
// (29l)
// >>> ... | List<Long> primes = new ArrayList<>(); | long x = n;
for (long i = 2; i * i <= x; i++) {
if (x % i == 0) {
primes.add(i);
x /= i;
i--;
}
}
if (x > 1) {
primes.add(x);
}
return primes.get(primes.size() - 1);
}
} |
//You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// >>> skjkasdkd([0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])
// 10
// >>> skjkasdkd([1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])
// 25
// >>> skj... | } | |
//Return median of elements in the array l.
// >>> median([3, 1, 2, 4, 5])
// 3
// >>> median([-10, 4, 6, 1000, 10, 20])
// 15.0
function median(l){
| let middle = Math.floor(l.length / 2); | let sorted = l.sort((a, b) => a - b);
if (l.length % 2 === 0) {
return (sorted[middle - 1] + sorted[middle]) / 2;
} else {
return sorted[middle];
}
}
|
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))
... | if (s.charAt(j) == '7') { | res++;
}
}
}
}
return res;
}
} |
from typing import List
def get_positive(l: List[int]) -> List[int]:
"""Return only positive numbers in the list.
>>> 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]
"""
p = []
for i in l:
if i > 0: | p.append(i) | return p
|
def flip_case(string: str) -> str:
""" For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
>>> flip_case('Hello')
'hELLO'
"""
| new_string = "" | for character in string:
if character.isupper():
new_string += character.lower()
else:
new_string += character.upper()
return new_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 array list of integers, return array list in strange order.
// Strange sorting, is when you start with the minimum value,
... | int min = 0; | int max = sorted.size() - 1;
while (min <= max) {
result.add(sorted.get(min));
min++;
if (min <= max) {
result.add(sorted.get(max));
max--;
}
}
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 {
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// >>> correc... | } | if (balance < 0) {
return false;
}
}
return balance == 0;
}
} |
//Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// >>> unique_digits([15, 33, 1422, 1])
// [1, 15, 33]
// >>> unique_digits([152, 323, 1422, 10])
// []
function unique_digits(x){
... | } | return result.sort(function(a, b){return a-b})
}
|
//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"... | return arr3; | } |
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))
... | 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 {
// There are eight planets in our solar system: the closerst to the Sun
// is Mercury, the next one is Venus, then Earth, Mars, Jupit... | indexMax = indexPlanet1; | }
ArrayList<String> planetsInBetween = new ArrayList<String>();
for (int i = indexMin + 1; i < indexMax; i++) {
planetsInBetween.add(planets.get(i));
}
return planetsInBetween;
} else {
return new ArrayList<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 {
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1)... | if (n == 3) return 0; | return fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-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 {
// Checks if given string is a palindrome
// >>> isPalindrome((""))
// (true)
// >>> isPalindrome(("aba"))
// (true)
/... | while (left < right) { | if (text.charAt(left) != text.charAt(right)) {
isPalindrome = false;
break;
}
left++;
right--;
}
return isPalindrome;
}
} |
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... | } | |
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 ... | 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>();
if (minIndex == -1) {
r... |
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 {
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always v... | long y = Math.abs(b % 10); | return x * y;
}
} |
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... | if (compareResult == 0) { | return o1.compareTo(o2);
}
return compareResult;
}
});
return words.get(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 {
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
... | } | return result;
}
} |
//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++) {... | } | for (var k = 0; k < arrayA.length; k++) {
if (arrayA[k] !== arrayB[k]) {
arrayXOR.push(1);
}
else {
arrayXOR.push(0);
}
}
result = arrayXOR.join('');
return result;
} |
def count_upper(s: str) -> int:
"""
Given a string s, count the number of uppercase vowels in even indices.
For example:
>>> count_upper('aBCdEf')
1
>>> count_upper('abcdefg')
0
>>> count_upper('dBBE')
0
"""
vowel_set = set('AEIOU')
count = 0
for i in range(0, le... | D.1 Recursion | Given a positive integer n, write a recursive function that returns the sum of the squares of the
positive odd integers smaller than n. Assume n is greater than or equal to 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 integers.
// You need to find the largest prime value and return the sum of its digits.
//... | } | else {
long output = 0l;
while (largestPrime > 0) {
output += largestPrime % 10;
largestPrime /= 10;
}
return output;
}
}
} |
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... | 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 {
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// >>> countDistinctCharacters(("xyzX... | char c = string.charAt(i); | set.add(c);
}
result = set.size();
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 {
// Implement the function f that takes n as a parameter,
// and returns an array array list of size n, such that the value of the elem... | v *= j; | }
} else {
v = (i * (i + 1l)) / 2l;
}
ret.add(v);
}
return ret;
}
} |
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:
... | ) | |
//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 {
// 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... | } | } |
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... | int compareResult = wordsToUniqueCharacters.get(o2).compareTo(wordsToUniqueCharacters.get(o1)); | if (compareResult == 0) {
return o1.compareTo(o2);
}
return compareResult;
}
});
return words.get(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 accepts two array lists of strings and returns the array list that has
// total number of chars in the all s... | return lst2; | }
}
} |
//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 = -1; | for(var i = x; i <= y; i++){
if(i % 2 == 0){
num = i;
}
}
return num;
}
|
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(... | 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_numeral
|
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 {
// Checks if given string is a palindrome
// >>> isPalindrome((""))
// (true)
// >>> isPalindrome(("aba"))
// (true)
/... | int left = 0; | int right = text.length() - 1;
while (left < right) {
if (text.charAt(left) != text.charAt(right)) {
isPalindrome = false;
break;
}
left++;
right--;
}
return isPalindrome;
}
} |
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 object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is ... | } | } |
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 ... | if word < max_word: | max_word = word
return max_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 {
// You are given a non-empty array list of positive integers. Return the greatest integer that is greater than
// zero, and has a fre... | } | 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 {
// Return true is array list elements are monotonically increasing or decreasing.
// >>> monotonic((new ArrayList<Long>(Arrays.asList(... | inc = false; | }
if (l.get(i) > a) {
dec = false;
}
a = l.get(i);
}
return inc || dec;
}
} |
//Filter given array of any jsthon values only for integers
// >>> filter_integers(["a", 3.14, 5])
// [5]
// >>> filter_integers([1, 2, 3, "abc", {}, []])
// [1, 2, 3]
function filter_integers(values){
var result = [];
values.forEach(function(value){
if(typeof value === "number" && value % 1 === 0){ | result.push(value); | }
});
return result;
}
|
//pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// >>> pairs_sum_to_zero([1, 3, 5, 0])
// false
// >>> pairs_sum_to_zero([1, 3, -2, 1])
// false
// >>> pairs_sum_to_zero([1, 2, 3, 7])
// false
// >>>... | i = i + 1 | }
return false
}
|
//Given a positive integer n, return an array 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:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// >>... | return y == x; | }
for(var i = 1; i <= n; i++){
if(isPalindrome(i)){
pal.push(i);
}
}
var odd = 0;
var even = 0;
for(var i = 0; i < pal.length; i++){
if(pal[i] % 2 == 0){
even++;
}
else{
odd++;
}
}
return [even, odd];
} |
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... | } | for (long i = 3; i <= Math.sqrt(a); i += 2) {
while (a % i == 0) {
arr.add(i);
a /= i;
}
}
if (a > 2) {
arr.add(a);
}
return arr.size() == 3;
}
} |
//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 it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// >>> solve("1234")
// "4321"
// >>> solve("ab")
// "AB"
// >>... | : char.toLowerCase(); | }
return char;
});
return swapped.join('');
}
return s.split('').reverse().join('');
}
|
def fizz_buzz(n: int) -> int:
"""Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
>>> fizz_buzz(50)
0
>>> fizz_buzz(78)
2
>>> fizz_buzz(79)
3
"""
x = 0 | for i in range(n): | if i % 11 == 0 or i % 13 == 0:
x += str(i).count('7')
return x
|
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 ... | open_count = 0 | for c in paren_string:
if c == '(':
open_count += 1
elif c == ')':
open_count -= 1
group += c
if open_count == 0:
groups.append(group)
group = ''
return groups
|
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 {
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less... | } | |
//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... | let sum = array[0] + array[array.length - 1]; | let newArr = [];
if(sum % 2 === 0){
newArr = array.sort(function(a, b){return b - a;});
}else{
newArr = array.sort(function(a, b){return a - b;});
}
return newArr;
} |
//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"... | 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){
arr3.push("Four");
}
else if(num == 5){
... |
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... | if (level % capacity != 0l) { | units += 1l;
}
count += units;
}
return count;
}
} |
//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... | } | }
currCell = nextCell;
}
return path;
} |
//Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// >>> encrypt("hi")
// "lm"
// >>> encrypt("asdfghjkl")
... | var index = alphabet.indexOf(s[i]); | newString += alphabet[(index + shiftBy) % 26];
}
return newString;
}
|
from typing import List
def unique_digits(x: List[int]) -> List[int]:
"""Given a list of positive integers x. return a sorted list of all
elements that hasn't any even digit.
Note: Returned list should be sorted in increasing order.
For example:
>>> unique_digits([15, 33, 1422, 1])
[1, 1... | for i in s: | x.remove(i)
return sorted(x)
|
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[temp_index] > numbers[temp2_index]: | temp, temp2 = numbers[temp2_index], numbers[temp_index]
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 {
// Return n-th Fibonacci number.
// >>> fib((10l))
// (55l)
// >>> fib((1l))
// (1l)
// >>> fib((8l))
// (21l)
... | } | else if (n == 1) {
return 1l;
}
else {
return Problem.fib((n - 1)) + Problem.fib((n - 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 {
// Return true if all numbers in the array list l are below threshold t.
// >>> belowThreshold((new ArrayList<Long>(Arrays.asList((lon... | return true; | }
} |
//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;
... | for(var i = 5; i * i <= number; i += 6){ | if(number % i == 0 || number % (i + 2) == 0){
return false;
}
}
return true;
}
}
function fib(num){
var a = 1, b = 0, temp;
while (num >= 0){
temp = a;
a = a + b;
b = temp... |
//You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, ... | } | return result;
} |
//Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// >>> fizz_buzz(50)
// 0
// >>> fizz_buzz(78)
// 2
// >>> fizz_buzz(79)
// 3
function fizz_buzz(n){
let result = 0;
for(let i = 0; i < n; i++){
if(i % 11 === 0 || i % 13 === 0){
let arr... | if(arr[j] === '7'){ | result++;
}
}
}
}
return result;
}
|
//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 array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input stri... | } | if (count === 0 && group){
groups.push(group);
group = '';
}
}
return groups;
}
|
//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 (i > 0 && i < word.length - 1) { | if (!vowels.includes(word[i-1]) && !vowels.includes(word[i+1])) {
result.push(word[i]);
}
}
}
i--;
}
if (result.length === 0) {
return ""
} else {
return result[0];
... |
//Return true is array elements are monotonically increasing or decreasing.
// >>> monotonic([1, 2, 4, 20])
// true
// >>> monotonic([1, 20, 4, 10])
// false
// >>> monotonic([4, 1, 0, -10])
// true
function monotonic(l){
if(l.length <= 1){
return true;
}
if(l[0] < l[1]){
for(var i = 1; i < ... | } | |
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 a string of words separated by commas or spaces. Your task is
// to split the string into words and return an arr... | StringTokenizer st = new StringTokenizer(s, " , "); | while (st.hasMoreTokens()) {
al.add(st.nextToken());
}
return al;
}
} |
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... | if (hm.containsKey(sss)) { | hm.put(sss, hm.get(sss) + 1);
} else {
hm.put(sss, 1l);
}
}
long max = 0;
for (String key : hm.keySet()) {
if (hm.get(key) > max) {
max = hm.get(key);
}
... |
//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... | return true; | }else{
return false;
}
} |
//You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12... | }else if(month == 2){ | if(day < 1 || day > 29){
return false;
}
}else if((month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) && (day < 1 || day > 31)){
return false;
}else if((month == 4 || month == 6 || month == 9 || month == 1... |
//Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// >>> parse_nested_parens("(()()) ((())) () ((())()())")
//... | if (paren_string[i] == "("){ | level += 1;
if (level > maxlevel){
maxlevel = level;
}
}
else if (paren_string[i] == ")"){
level -= 1;
}
else if (paren_string[i] == " "){
result.push(maxlevel);
maxlevel = 0;
level = 0;
... |
def make_palindrome(string: str) -> str:
""" 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 suffi... | prefix = string[::-1] |
for i in range(len(string)):
if string[i:] == prefix[:len(string) - i]:
return string + prefix[len(string) - 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 a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <=... | num -= 9; | }
if (num >= 5) {
res += "v";
num -= 5;
}
if (num >= 4) {
res += "iv";
num -= 4;
}
while (num >= 1) {
res += "i";
num -= 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 {
// 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... | for (char c : wordInLowerCase.toCharArray()) { | switch (c) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
break;
default:
consonants++;
break;
... |
def sum_to_n(n: int) -> int:
"""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
"""
| return n * (n + 1) // 2 |
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