id
int64 1
10k
| question
stringclasses 10
values | solution
stringclasses 10
values | difficulty
stringclasses 3
values | topic
stringclasses 5
values |
|---|---|---|---|---|
5,701 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | easy | loops |
5,702 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | easy | strings |
5,703 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,704 | Write a function that reverses a string. | function reverseString(s) {
return s.split('').reverse().join('');
} | medium | strings |
5,705 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | easy | arrays |
5,706 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | easy | strings |
5,707 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | easy | math |
5,708 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | easy | recursion |
5,709 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | easy | loops |
5,710 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,711 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | easy | strings |
5,712 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | easy | strings |
5,713 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | easy | arrays |
5,714 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | easy | strings |
5,715 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,716 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,717 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,718 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | hard | strings |
5,719 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,720 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,721 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | hard | loops |
5,722 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | medium | strings |
5,723 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | medium | strings |
5,724 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,725 | Write a function that reverses a string. | function reverseString(s) {
return s.split('').reverse().join('');
} | medium | strings |
5,726 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | easy | arrays |
5,727 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | easy | arrays |
5,728 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,729 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,730 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | medium | arrays |
5,731 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,732 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | medium | math |
5,733 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,734 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,735 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,736 | Write a function that reverses a string. | function reverseString(s) {
return s.split('').reverse().join('');
} | easy | strings |
5,737 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | medium | strings |
5,738 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,739 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,740 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | easy | recursion |
5,741 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | medium | strings |
5,742 | Write a function that reverses a string. | function reverseString(s) {
return s.split('').reverse().join('');
} | medium | strings |
5,743 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | hard | recursion |
5,744 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,745 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,746 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | easy | recursion |
5,747 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,748 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | medium | math |
5,749 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | easy | recursion |
5,750 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | easy | loops |
5,751 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | easy | loops |
5,752 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,753 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | easy | arrays |
5,754 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,755 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | easy | strings |
5,756 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,757 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | medium | loops |
5,758 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,759 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,760 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,761 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | medium | arrays |
5,762 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | medium | math |
5,763 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,764 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | hard | recursion |
5,765 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | hard | math |
5,766 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | medium | strings |
5,767 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | hard | math |
5,768 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | easy | math |
5,769 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | medium | recursion |
5,770 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | medium | math |
5,771 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | easy | recursion |
5,772 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,773 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,774 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | medium | arrays |
5,775 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,776 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,777 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,778 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | hard | recursion |
5,779 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | easy | math |
5,780 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | hard | math |
5,781 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,782 | Write a function that reverses a string. | function reverseString(s) {
return s.split('').reverse().join('');
} | easy | strings |
5,783 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | easy | loops |
5,784 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,785 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | medium | math |
5,786 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | medium | arrays |
5,787 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | medium | recursion |
5,788 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | medium | loops |
5,789 | Write a recursive function to sum an array. | function sumArrayRec(arr, index = 0) {
if (index >= arr.length) return 0;
return arr[index] + sumArrayRec(arr, index + 1);
} | easy | recursion |
5,790 | Write a function that checks if a number is prime. | function isPrime(n) {
if (n <= 1) return false;
for (let i = 2; i * i <= n; i++) {
if (n % i === 0) return false;
}
return true;
} | easy | math |
5,791 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,792 | Write a function that checks if a string is a palindrome. | function isPalindrome(s) {
return s === s.split('').reverse().join('');
} | medium | strings |
5,793 | Write a function that finds even numbers in an array. | function findEven(arr) {
return arr.filter(num => num % 2 === 0);
} | easy | loops |
5,794 | Write a recursive function to compute Fibonacci numbers. | function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
} | medium | recursion |
5,795 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | easy | arrays |
5,796 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | medium | arrays |
5,797 | Write a function that prints numbers from 1 to 100. | function printNumbers() {
for (let i = 1; i <= 100; i++) {
console.log(i);
}
} | hard | loops |
5,798 | Write a function that returns the sum of an array. | function sumArray(arr) {
return arr.reduce((a, b) => a + b, 0);
} | medium | arrays |
5,799 | Write a function that returns the factorial of a number. | function factorial(n) {
if (n === 0) return 1;
return n * factorial(n - 1);
} | easy | math |
5,800 | Write a function that removes duplicates from an array. | function removeDuplicates(arr) {
return [...new Set(arr)];
} | medium | arrays |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.