prefix stringlengths 0 918k | middle stringlengths 0 812k | suffix stringlengths 0 962k |
|---|---|---|
//xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// >>> derivative([3, 1, 2, 4, 5])
// [1, 4, 12, 20]
// >>> derivative([1, 2, 3])
// [2, 6]
function derivative(xs){
let coeff = [];
for(let i = 1; i < xs.length; i++)... | coeff.push(xs[i] * i); | }
return coeff;
}
|
//You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// >>> lst([1.0, 2.0, 3.0])
// 14
// >>> lst([1.0, 4.0, 9.0])
// 98
// >>> lst([1.0, 3.0, 5.0, 7.0])
// 84
// >>> lst([1.4, 4.2, 0.0]... | return lst.map(num => Math.ceil(num)).reduce((sum, num) => sum + num ** 2, 0); | } |
from typing import Tuple
def reverse_delete(s: str, c: str) -> Tuple[str, bool]:
"""Task
We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
then check if the result string is palindrome.
A string is called palindrome if it reads the same b... | new_str = '' | for i in s:
if i not in c:
new_str += i
new_str_reverse = new_str[::-1]
return (new_str, new_str == new_str_reverse)
|
//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;
} |
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... | if (lst.size() == 0) { | return 0;
}
long sum = 0;
for (int i = 0; i < lst.size(); i++) {
sum += (long)Math.ceil(lst.get(i)) * (long)Math.ceil(lst.get(i));
}
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 {
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of ... | StringBuilder newString = new StringBuilder(string); | String reverse = new StringBuilder(string).reverse().toString();
for (int index = 0; index < string.length(); index++) {
if (string.substring(index).equals(reverse.substring(0, string.length() - index))) {
newString.append(reverse.substring(string.length() - index));
... |
//Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// >>> vowels_count("abcde")
// 2
// >>> vo... | s=s.toLowerCase(); | var vowels = ['a','e','i','o','u'];
var count = 0;
for(var i=0; i<s.length; i++){
if(vowels.indexOf(s[i])!=-1){
count++;
}
}
if(s[s.length-1]=='y'){
count++;
}
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 {
// 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 ... | } else { | sb.append(s.charAt(i));
}
}
if (letterNotFound) {
return sb.reverse().toString();
}
return sb.toString();
}
} |
//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... | }).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 accepts an array array list of strings as a parameter,
// deletes the strings that have odd lengths from it,
... | } | }
Collections.sort(result, new Comparator<String>() {
@Override
public int compare(String s1, String s2) {
if (s1.length() == s2.length()) {
return s1.compareTo(s2);
}
return s1.length() - s2.length();
... |
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... | if x == 4.0: | final.append('A+')
elif x > 3.7:
final.append('A')
elif x > 3.3:
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:
... |
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"))... | } | } |
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 the sum of squares of the numbers
// in the array list that are odd. Ignore numbers th... | } | |
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.
//... | } | }
} |
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 ... | b_tmp = b.replace(',', '.') | if a > float(b_tmp):
return a
elif a < float(b_tmp):
return b
else:
return None
elif isinstance(a, str) and isinstance(b, float):
a_tmp = a.replace(',', '.')
if float(a_tmp) > b:
return a
elif float(a_tmp) < 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 {
// Return 2^n modulo p (be aware of numerics).
// >>> modp((3l), (5l))
// (3l)
// >>> modp((1101l), (101l))
// (2l)
//... | long sqrt = modp(n / 2, p); | sqrt = (sqrt * sqrt) % p;
if (n % 2 == 0) {
return sqrt;
}
return (sqrt * 2) % p;
}
} |
from typing import Optional
def string_to_md5(text: str) -> Optional[str]:
"""
Given a string 'text', return its md5 hash equivalent string.
If 'text' is an empty string, return None.
>>> string_to_md5('Hello world')
'3e25960a79dbc69b674cd4ec67a72c62'
"""
| import hashlib | if not text:
return None
else:
return hashlib.md5(text.encode('utf-8')).hexdigest()
|
//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 shiftBy = 2 * 2; | for(var i = 0; i < s.length; i++){
var index = alphabet.indexOf(s[i]);
newString += alphabet[(index + shiftBy) % 26];
}
return newString;
}
|
//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 the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// >>> is_bored("Hello world")
// 0
// >>> is_bored("The sky is blue. The sun is shining. I love this weather")
... | } | }
return boredoms;
}
|
from typing import List
def concatenate(strings: List[str]) -> str:
""" Concatenate list of strings into a single string
>>> concatenate([])
''
>>> concatenate(['a', 'b', 'c'])
'abc'
"""
| return "".join(strings) | |
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... | best_extension = extension | return class_name + '.' + best_extension |
from typing import Union
def rounded_avg(n: int, m: int) -> Union[str, int]:
"""You are given two positive integers n and m, and your task is to compute the
average of the integers from n through m (including n and m).
Round the answer to the nearest integer and convert that to binary.
If n is greater... | 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 {
// 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 algo... | letterGrades.add("A"); | } else if (currentGrade > 3.3f) {
letterGrades.add("A-");
} else if (currentGrade > 3.0f) {
letterGrades.add("B+");
} else if (currentGrade > 2.7f) {
letterGrades.add("B");
} else if (currentGrade > 2.3f) {
l... |
//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
// >>> cycpattern_check("abcd", "abd")
// false
// >>> cycpattern_check("hello", "ell")
// true
// >>> cycpattern_check("whassup", "psus")
// false
// >>> cycpattern_check("abab", "baa")
// true
... | } | |
from typing import Tuple
def even_odd_count(num: int) -> Tuple[int, int]:
"""Given an integer. return a tuple that has the number of even and odd digits respectively.
Example:
>>> even_odd_count(-12)
(1, 1)
>>> even_odd_count(123)
(1, 2)
"""
num_str = str(abs(num))
even_count = 0
... | for ch in num_str: | digit = int(ch)
if digit % 2 == 0:
even_count += 1
else:
odd_count += 1
return even_count, odd_count
|
def fruit_distribution(s: str, n: int) -> int:
"""
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 ora... | return n - sum(fruits) | |
//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++){ | if (i % 2 === 0){ | if (lst[i] % 2 === 1){
result += lst[i];
}
}
}
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 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]);
}
if(x < n - 1){
... |
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 ... | 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, str):
a_tmp = a.replace(',', '.')
b_tmp = b.replace(',', '.')
if float(a_tmp... |
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... | if lst[i] < min1: | min2 = min1
min1 = lst[i]
elif lst[i] < min2:
min2 = lst[i]
return min2 if min1 != min2 else None
|
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 two array lists operator, and operand. The first array list has basic algebra operations, and
// the second array list is an... | } | } |
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... | if num < 10: | continue
else:
rev = int(str(num)[::-1])
if num % 2 != 0 and rev % 2 != 0:
count += 1
return count
|
//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 == 7){ | arr3.push("Seven");
}
else if(num == 8){
arr3.push("Eight");
}
else if(num == 9){
arr3.push("Nine");
}
}
return arr3;
} |
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... | maxValue = -1 | for key, value in dic.items():
if value >= key and key > maxValue:
maxValue = key
return maxValue
|
//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.... | } | |
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 encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
... | for (char c : s.toCharArray()) { | b.append((char)((c+4) > 'z' ? (((c+4)%'z')+'a'-1) : c+4));
}
return b.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 {
// 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 algo... | letterGrades.add("B-"); | } else if (currentGrade > 2.0f) {
letterGrades.add("C+");
} else if (currentGrade > 1.7f) {
letterGrades.add("C");
} else if (currentGrade > 1.3f) {
letterGrades.add("C-");
} else if (currentGrade > 1.0f) {
l... |
//"
// 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... | } | return sum;
} |
//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... | return 'No'; | } |
//Given a string representing a space separated lowercase letters, return an object
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// >>> histogram("a b c")
// {"a": 1, "b": 1, "c": 1}
// >>> histogram("a ... | if (count[key] > max){ | max = count[key];
result = {};
result[key] = max;
}
else if (count[key] === max){
result[key] = max;
}
}
return result;
}
|
//Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// >>> sort_numbers("three one five")
// "one three five"
function sort_number... | "six": 6, | "seven": 7,
"eight": 8,
"nine": 9
};
numString.sort(function(a, b){
return numMap[a] - numMap[b];
});
numString = numString.join(" ");
return numString;
} |
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... | } | }
return array;
}
} |
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 (largestPrime == 0) {
return 0l;
}
else {
long output = 0l;
while (largestPrime > 0) {
output += largestPrime % 10;
largestPrime /= 10;
}
return output;
}
}
} |
//Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// >>> factorize(8)
// [2, 2, 2]
// >>> factorize(2... | arr.push(factor); | n = n / factor;
} else {
factor++;
}
}
return 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 {
// 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... | String[] words = s.split(" "); | for (String word : words) {
String wordInLowerCase = word.toLowerCase();
long consonants = 0l;
for (char c : wordInLowerCase.toCharArray()) {
switch (c) {
case 'a':
case 'e':
case 'i':
... |
//Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// >>> digits(1)
// 1
// >>> digits(4)
// 0
// >>> digits(235)
// 15
function digits(n){
if(!n){
return "error";
}
if(n < 0){
return "error";
}
var temp = 0;
va... | if(temp % 2 != 0){ | prod *= temp;
odd = false;
}
}
if(odd){
return 0;
}
return prod;
}
|
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.
//... | } | } |
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... | if (i % 3 == 0) { | lst.set(i, lst.get(i) * lst.get(i));
} else if (i % 4 == 0) {
lst.set(i, lst.get(i) * lst.get(i) * lst.get(i));
}
}
long ans = 0;
for (int i = 0; i < sz; i++) {
ans += lst.get(i);
}
return ans;
}
} |
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... | while (a % i == 0) { | arr.add(i);
a /= i;
}
}
if (a > 2) {
arr.add(a);
}
return arr.size() == 3;
}
} |
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... | 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
|
//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... | } | |
//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... | } | else if (grades[i] == 0.0){
grades_array.push("E");
}
}
return grades_array;
} |
//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]
//... | y[k]=l[i]; | k=k+1;
}
else{
x[i]=l[i];
}
}
y.sort();
k=0;
for(let i=0;i<l.length;i++){
if(i%3==0){
x[i]=y[k];
k=k+1;
}
}
return x;
} |
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 ... | return None | elif isinstance(a, float) and isinstance(b, int):
if a > b:
return a
elif a < b:
return b
else:
return None
elif isinstance(a, str) and isinstance(b, int):
a_tmp = a.replace(',', '.')
if float(a_tmp) > b:
return a
el... |
//Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may as... | } | }
|
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 strings, where each string consists of only digits, return an array array list.
// Each element i of t... | count++; | }
}
res.add("the number of odd elements " + count + "n the str" + count + "ng " + count + " of the " + count + "nput.");
}
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 representing a space separated lowercase letters, return a hash map
// of the letter with the most repetition and co... | 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);
}
}
for (String key : hm.keySet()) ... |
def check_if_last_char_is_a_letter(txt: str) -> bool:
"""
Create a function that returns True if the last character
of a given string is an alphabetical character and is not
a part of a word, and False otherwise.
Note: "word" is a group of characters separated by space.
Examples:
>>> check_... | elif txt[-1].isalpha() and (len(txt) == 1 or not txt[-2].isalpha()): | 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 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... | } | int strength = Integer.MIN_VALUE;
String strongest = "";
for (String s : extensions) {
int cap = (int)s.chars().filter(c -> Character.isUpperCase(c)).count();
int sm = (int)s.chars().filter(c -> Character.isLowerCase(c)).count();
int diff = cap - sm;
... |
//We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift o... | if(arr[i] > arr[i + 1]){ | diff_count += 1;
}
}
if(diff_count > 1){
return false;
}
else{
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... | } | }
}
}
return result;
}
|
def same_chars(s0: str, s1: str) -> bool:
"""
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
>>... | return set(s0) == set(s1) | |
//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;
} |
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 an input array list of strings only for ones that start with a given prefix.
// >>> filterByPrefix((new ArrayList<String>(Ar... | } | |
def simplify(x: str, n: str) -> bool:
"""Your task is to implement a function that will simplify the expression
x * n. The function returns True if x * n evaluates to a whole number and False
otherwise. Both x and n, are string representation of a fraction, and have the following format,
<numerator>/<de... | return (x_num * n_num) % (x_denom * n_denom) == 0 | |
//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... | 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()){
case_type = 0;
}
else{
re... |
//Given length of a side and high return area for a triangle.
// >>> triangle_area(5, 3)
// 7.5
function triangle_area(a, h){
return a*h/2; | }; | |
//Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// >>> minSubArraySum([2, 3, 4, 1, 2, 4])
// 1
// >>> minSubArraySum([-1, -2, -3])
// -6
function minSubArraySum(nums){
let sum = 0;
let minSum = nums[0];
for(let i = 0; i < nums.length; i++){
s... | return minSum; | }
|
//For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// >>> flip_case("Hello")
// "hELLO"
function flip_case(string){
var result = "";
for(var i = 0; i < string.length; i++){
if(string[i] == string[i].toUpperCase()){ | result += string[i].toLowerCase(); | }else{
result += string[i].toUpperCase();
}
}
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 encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
... | } | return b.toString();
}
} |
//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]
//... | x[i]=y[k]; | k=k+1;
}
}
return x;
} |
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 to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// T... | if (month < 1 || month > 12) return valid_date; | if (month == 2) {
if (day < 1 || day > 29) return valid_date;
} else if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {
if (day < 1 || day > 31) return valid_date;
} else {
if (day < ... |
//Return true if a given number is prime, and false otherwise.
// >>> is_prime(6)
// false
// >>> is_prime(101)
// true
// >>> is_prime(11)
// true
// >>> is_prime(13441)
// true
// >>> is_prime(61)
// true
// >>> is_prime(4)
// false
// >>> is_prime(1)
// false
function is_prime(n){
if (n==1) {
return fals... | if (n%i==0) { | return false;
}
}
return true;
}
|
//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... | return false; | }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 ==... |
from typing import Dict
def histogram(test: str) -> Dict[str, int]:
"""Given a string representing a space separated lowercase letters, return a dictionary
of the letter with the most repetition and containing the corresponding count.
If several letters have the same occurrence, return all of them.
... | for letter in test.split(): | letters[letter] = letters.get(letter, 0) + 1
if letters[letter] >= most_count:
most_count = letters[letter]
for letter in letters:
if letters[letter] == most_count:
result[letter] = most_count
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 positive integer n, return a sorted array list that has the odd numbers in collatz sequence.
// The Collatz conjecture is a... | } | 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;
}
} |
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 > float(b_tmp): | return a
elif a < float(b_tmp):
return b
else:
return None
elif isinstance(a, str) and isinstance(b, float):
a_tmp = a.replace(',', '.')
if float(a_tmp) > b:
return a
elif float(a_tmp) < b:
return 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 {
// Return a greatest common divisor of two integers a and b
// >>> greatestCommonDivisor((3l), (5l))
// (1l)
// >>> greatestCo... | if (a == 0) { | return b;
}
if (b == 0) {
return a;
}
return greatestCommonDivisor(b, a % b);
}
} |
//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("B"); | }
else if (grades[i] > 2.3){
grades_array.push("B-");
}
else if (grades[i] > 2.0){
grades_array.push("C+");
}
else if (grades[i] > 1.7){
grades_array.push("C");
}
else if (grades[i] > 1.3){
grades_array.push(... |
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 = (i * (i + 1l)) / 2l; | }
ret.add(v);
}
return ret;
}
} |
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... | } | }
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 {
// In this Kata, you have to sort an array array list of non-negative integers according to
// number of ones in their binary represen... | if (b1 < 0) { | b1 = -b1;
}
return Long.bitCount(a1) == Long.bitCount(b1) ? Long.compare(a, b) : Integer.compare(Long.bitCount(a1), Long.bitCount(b1));
});
return 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 {
// In this problem, you will implement a function that takes two array lists of numbers,
// and determines whether it is possible to p... | } | return (lst1.stream().allMatch(x -> x % 2 == 0)) ? "YES" : "NO";
}
} |
//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;
} |
//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])
//... | let lastDigit = nums[i].toString()[nums[i].toString().length - 1]; | if(num > 10 && firstDigit % 2 !== 0 && lastDigit % 2 !== 0){
count++;
}
}
return count;
}
|
def change_base(x: int, base: int) -> str:
"""Change numerical base of input number x to base.
return string representation after the conversion.
base numbers are less than 10.
>>> change_base(8, 3)
'22'
>>> change_base(8, 2)
'1000'
>>> change_base(7, 2)
'111'
"""
if x == 0:
... | ans.append(str(x % base)) | x //= base
return ''.join(ans[::-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 a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// the... | int i = 0; | while (i < result.length() - 2) {
if (result.charAt(i) == '_' && result.charAt(i + 1) == '_' && result.charAt(i + 2) == '_') {
result = result.substring(0, i) + "-" + result.substring(i + 3);
}
i++;
}
return result;
}
} |
//Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// >>> maximum([-3, -4, 5], 3)
// [-4, -3, 5]
// Example 2:
// >>> maximum([4, -4, 4], 2)
// [4, 4]
// Example 3:
// >>> maximum([-3, 2, 1, 2, -1, -2, 1], 1)
// [2]
// Note:
... | return arr.sort((a, b) => a - b).slice(len - k); | } |
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 ... | return false; | }
}
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 {
// 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... | } | }
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, l_e.get(i));
l_e.set(i, min);
}
... |
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 representing a sentence,
// the sentence contains some words separated by a space,
// and you have to re... | } | } |
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... | i=i+1 | if i%2==0:
a.append(math.factorial(i))
else:
a.append(sum(range(1,i+1)))
return a
pass |
//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++) {
arrayA.push(parseInt(a[i]));
}
for (var j = 0; j < b.length; j++) {
arrayB.push(parseInt(b[j]));
}
for (var k = 0; k < arrayA.length; k++) {
if (arrayA[k] !== arrayB[k]) {
arrayXOR.push(1);
}
else {
arrayXOR.push(0);
}
}
result = arr... |
from typing import List
def minPath(grid: List[List[int]], k: int) -> List[int]:
"""
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... | if grid[i][j] < min_val: | min_val = grid[i][j]
row = i
col = j
path = [min_val]
while len(path) < k:
min_val = float('inf')
for i, j in (row - 1, col), (row + 1, col), (row, col - 1), (row, col + 1):
if 0 <= i < len(grid) and 0 <= j < len(grid[0]) and grid[i][j]... |
//Given a string representing a space separated lowercase letters, return an object
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// >>> histogram("a b c")
// {"a": 1, "b": 1, "c": 1}
// >>> histogram("a ... | result = {}; | result[key] = max;
}
else if (count[key] === max){
result[key] = max;
}
}
return result;
}
|
//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 ... | lst1[num1] = lst2[num2]; | exchange = true;
}
num2++;
}
}
}
num1++;
}
if(exchange){
return "YES";
}else{
return "NO";
}
}
|
def file_name_check(file_name: str) -> str:
"""Create a function which takes a string representing a file's name, and returns
'Yes' if the the file's name is valid, and returns 'No' otherwise.
A file's name is considered to be valid if and only if all the following conditions
are met:
- There shoul... | if i == '.': | e_count += 1
if s_count > 3 or e_count != 1:
return 'No'
s_name = file_name.split('.')[0]
e_name = file_name.split('.')[1]
if not s_name or not e_name or not s_name[0].isalpha():
return 'No'
if e_name not in ['txt', 'exe', 'dll']:
return 'No'
return 'Yes'
|
//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... | } | }
else{
return false;
}
}
return true;
} |
//Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// >>> digits(1)
// 1
// >>> digits(4)
// 0
// >>> digits(235)
// 15
function digits(n){
if(!n){ | return "error"; | }
if(n < 0){
return "error";
}
var temp = 0;
var prod = 1;
var odd = true;
for(n; n > 0; n = Math.floor(n/10)){
temp = n % 10;
if(temp % 2 != 0){
prod *= temp;
odd = false;
}
}
if(odd){
return 0;
}
return prod;
}... |
//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(... | } | });
return result;
}
|
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