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Q1009_Complement_of_Base_10_Integer.py /djdj/me/problems/leetcode/Q1009_Complement_of_Base_10_Integer.py
505 Views
0 Comments
def bitwiseComplement(self, num):
if num==0:
return 1
s = []
while num > 0:
r =
Q1050_Actor_and_Directors)Who_Cooperated_At_Least_Three_Times.sql /djdj/me/problems/leetcode/Q1050_Actor_and_Directors)Who_Cooperated_At_Least_Three_Times.sql
482 Views
0 Comments
select actor_id,director_id from ActorDirector
group by actor_id, director_id
Having count(actor_id = director_id) >=3;

Q1068_Product_Sales_Analysis_I.sql /djdj/me/problems/leetcode/Q1068_Product_Sales_Analysis_I.sql
504 Views
0 Comments
select product_name,year,price from sales
inner join product
on sales.product_id = product.product_id;

Q1148_Article_Views_I.sql /djdj/me/problems/leetcode/Q1148_Article_Views_I.sql
588 Views
4 Comments
select distinct author_id as id from views
where author_id = viewer_id
order by id asc;

Q1378_Replace_Employee_ID_With_The_Unique_Idendifier.sql /djdj/me/problems/leetcode/Q1378_Replace_Employee_ID_With_The_Unique_Idendifier.sql
531 Views
0 Comments
select unique_id,name from Employees
left join EmployeeUNI
on Employees.id = EmployeeUNI.id;

Q1667_Fix_Names_in_a_Table.sql /djdj/me/problems/leetcode/Q1667_Fix_Names_in_a_Table.sql
477 Views
0 Comments
SELECT user_id, CONCAT(UPPER(LEFT(name,1)),LOWER(SUBSTRING(name,2))) AS name
FROM Users
ORDER BY user_id;

Q1683_Invalid_Tweets.sql /djdj/me/problems/leetcode/Q1683_Invalid_Tweets.sql
492 Views
0 Comments
select tweet_id from tweets
where length(content) > 15;

Q1757_Recyclable_and_Low_Fat_Products.sql /djdj/me/problems/leetcode/Q1757_Recyclable_and_Low_Fat_Products.sql
568 Views
9 Comments
select product_id from Products
where low_fats = 'Y' and recyclable = 'Y'

Q175_Combine_Two_tables.sql /djdj/me/problems/leetcode/Q175_Combine_Two_tables.sql
509 Views
0 Comments
select firstName, lastName, city, state from Person
LEFT join Address
on person.personId = address.personId;

Q176_Second_Highest_Salary.sql /djdj/me/problems/leetcode/Q176_Second_Highest_Salary.sql
463 Views
0 Comments
select
(select distinct salary as SecondHighestSalary from Employee
order by salary desc limit 1,1) as SecondHighestSalary;
Q181_Employees_Earning_More_Than_Their_Managers.sql /djdj/me/problems/leetcode/Q181_Employees_Earning_More_Than_Their_Managers.sql
472 Views
0 Comments
SELECT e.name AS Employee FROM Employee e, Employee a
WHERE e.managerID = a.id AND e.salary > a.salary;

Q182_Duplicate_Emails.sql /djdj/me/problems/leetcode/Q182_Duplicate_Emails.sql
552 Views
0 Comments
select email from person
group by email
having count(email) > 1;

Q1837_Sum_of_Digits_in_Base_K.py /djdj/me/problems/leetcode/Q1837_Sum_of_Digits_in_Base_K.py
488 Views
0 Comments
class Solution(object):
def sumBase(self, n, k):
s=0
while n > 0:
r = n%k
s = s+r
Q183_Customers_Who_Never_Order.sql /djdj/me/problems/leetcode/Q183_Customers_Who_Never_Order.sql
451 Views
0 Comments
select name as Customers from Customers
where id not in(select customerId from Orders);

Q1978_Employees_Whose_Manager_Left_the_Company.sql /djdj/me/problems/leetcode/Q1978_Employees_Whose_Manager_Left_the_Company.sql
496 Views
0 Comments
SELECT employee_id FROM Employees
WHERE salary < 30000 and manager_id not in (SELECT employee_id FROM Employees)
ORDER BY(employ
Q1_Two_Sum.py /djdj/me/problems/leetcode/Q1_Two_Sum.py
531 Views
0 Comments
class Solution:
def twoSum(self, nums: List[int], target: int) -> List[int]:
for i in range(len(nums)):

Q2119_A_Number_After_a_Double.py /djdj/me/problems/leetcode/Q2119_A_Number_After_a_Double.py
476 Views
0 Comments
def isSameAfterReversals(self, num):
t = num
s = 0
while num > 0: #526
r = num % 10 #6
s = s * 10 + r #6

Q2235_Add_Two_Integers.cs /djdj/me/problems/leetcode/Q2235_Add_Two_Integers.cs
507 Views
0 Comments
public class Solution {
public int Sum(int num1, int num2) {
return num1 + num2;
}
}

Q231_Power_of_two.py /djdj/me/problems/leetcode/Q231_Power_of_two.py
462 Views
0 Comments
def isPowerOfTwo(self, n):
for i in range(0,31):
if n == 2**i:
return 1
return 0

Q2427_Number_of_Common_Factors.py /djdj/me/problems/leetcode/Q2427_Number_of_Common_Factors.py
444 Views
0 Comments
class Solution(object):
def commonFactors(self, a, b):
c=0
for i in range(1,a+b):
if a%i==0 and
Q2427_Number_of_Common_Factors.rs /djdj/me/problems/leetcode/Q2427_Number_of_Common_Factors.rs
491 Views
0 Comments
impl Solution {
pub fn common_factors(a: i32, b: i32) -> i32 {
let mut c=0;
for i in 1..a+b{
if(
Q2469_Convert_the_Temperature.py /djdj/me/problems/leetcode/Q2469_Convert_the_Temperature.py
506 Views
0 Comments
def convertTemperature(self, celsius):
f = 1.8 * celsius + 32
k = celsius + 273.15
return [k,f]

Q258_Add_Digits.rs /djdj/me/problems/leetcode/Q258_Add_Digits.rs
495 Views
0 Comments
impl Solution {
pub fn add_digits(num: i32) -> i32 {
if(num==0){
return 0;
}
return (num
Q2620_Counter.js /djdj/me/problems/leetcode/Q2620_Counter.js
321 Views
0 Comments
var createCounter = function(n) {
let c = n;
return function() {
return c++;
};
};

Q263_Ugly_Number.py /djdj/me/problems/leetcode/Q263_Ugly_Number.py
513 Views
0 Comments
class Solution(object):
def isUgly(self, n):
if n == 1:
return 1
if n <=0:
return 0

Q2652_Sum_Multiples.py /djdj/me/problems/leetcode/Q2652_Sum_Multiples.py
460 Views
0 Comments
def sumOfMultiples(self,n):
s = 0
for i in range(1,n+1):
if i%3==0 or i%5==0 or i%7==0:
s = s + i
return s
Q2667_Create_Hello_World_Function.js /djdj/me/problems/leetcode/Q2667_Create_Hello_World_Function.js
332 Views
0 Comments
var createHelloWorld = function() {

return function(...args) {
return "Hello World"
}
};

Q2703_Return_Length_of_Arguments_Passed.js /djdj/me/problems/leetcode/Q2703_Return_Length_of_Arguments_Passed.js
336 Views
0 Comments
var argumentsLength = function(...args) {
return args.length;
};

Q29_Divide_Two_Integers.py /djdj/me/problems/leetcode/Q29_Divide_Two_Integers.py
515 Views
0 Comments
class Solution {
function divide($dividend, $divisor) {
if(intval($dividend/$divisor) > 2**31-1){
return
Q326_Power_of_Three.py /djdj/me/problems/leetcode/Q326_Power_of_Three.py
454 Views
0 Comments
def isPowerOfTwo(self, n):
for i in range(0,31):
if n == 3**i:
return 1
return 0

Q342_Power_of_Four.py /djdj/me/problems/leetcode/Q342_Power_of_Four.py
527 Views
1 Comments
def isPowerOfTwo(self, n):
for i in range(0,31):
if n == 4**i:
return 1
return 0

Q367_Valid_Perfect_Square.c /djdj/me/problems/leetcode/Q367_Valid_Perfect_Square.c
453 Views
0 Comments
bool isPerfectSquare(int num){
int r;
#include<math.h>
r = pow(num,0.5);
if(r*r==num)
{
return true;
Q43_Multiply_Strings.py /djdj/me/problems/leetcode/Q43_Multiply_Strings.py
464 Views
0 Comments
def multiply(self, num1, num2):
num1 = int(num1)
num2 = int(num2)
a = num1 * num2
return str(a)

Q476_Number_Complement.py /djdj/me/problems/leetcode/Q476_Number_Complement.py
538 Views
0 Comments
def findComplement(self, num):
s = []
while num > 0: # 5
r = str(num % 2)#
s.append(r)
num = num // 2
s
Q504_Base_7.py /djdj/me/problems/leetcode/Q504_Base_7.py
470 Views
0 Comments
def convertToBase7(self, num):
if num == 0:
return "0"
s = []
minus = False
if num <
Q507_Perfect_Number.py /djdj/me/problems/leetcode/Q507_Perfect_Number.py
492 Views
0 Comments
bool checkPerfectNumber(int num){
int i,s=0;
for(i=1;i<num/2+1;i++)
{
if(num%i==0){
s=s+i;

Q509_Fibonacci_Series.c /djdj/me/problems/leetcode/Q509_Fibonacci_Series.c
497 Views
0 Comments
int fib(int n){
if(n==0)
return 0;
if(n==1)
return 1;
else
return fib(n-1)+fib(n-2);
}
Q50_Pow(x,n).py /djdj/me/problems/leetcode/Q50_Pow(x,n).py
490 Views
0 Comments
def myPow(self, x, n):
return x ** n

Q577_Employee_Bonus.sql /djdj/me/problems/leetcode/Q577_Employee_Bonus.sql
486 Views
0 Comments
select name,bonus from employee
left join bonus
on bonus.empId = employee.empId
where bonus<1000 or bonus is null;

Q584_Find_Customer_Referee.sql /djdj/me/problems/leetcode/Q584_Find_Customer_Referee.sql
518 Views
0 Comments
select name from Customer where referee_id is null or referee_id != 2;

Q595_Big_Countries.sql /djdj/me/problems/leetcode/Q595_Big_Countries.sql
519 Views
0 Comments
select name,population,area from World
where area >= 3000000 or population >= 25000000;

Q596_Classes_More_Than_5_Studeents.sql /djdj/me/problems/leetcode/Q596_Classes_More_Than_5_Studeents.sql
451 Views
0 Comments
select class from courses
group by class
having count(class) >= 5

Q69_Sqrt(x).c /djdj/me/problems/leetcode/Q69_Sqrt(x).c
502 Views
0 Comments
int mySqrt(int x){
return(pow(x,0.5));
}

Q69_Sqrt.php /djdj/me/problems/leetcode/Q69_Sqrt.php
596 Views
0 Comments
function mySqrt($x) {
return intval(sqrt($x));
}

Q7_Reverse_Integer.py /djdj/me/problems/leetcode/Q7_Reverse_Integer.py
512 Views
0 Comments
def reverse(self, x):
if x > (2**30) or x < (-2**31)+1:
return 0
m = 0
if x < 0:
x = x * (-1)
m = 1
s = 0
Q9_Palidrome_Number.py /djdj/me/problems/leetcode/Q9_Palidrome_Number.py
526 Views
0 Comments
class Solution(object):
def isPalindrome(self, x):
i = x
re = 0
"""
:type x: int
:rt