hackerrank 모래시계 문제 이 문제는 hackerrank에 대한 도전을 기반으로 합니다. 약간 까다로운 초보자 수준의 문제입니다. 문제는 주어진 2d 정수 배열에서 모든 모래시계 모양의 숫자 합계의 최대값을 찾는 것입니다. 6 x 6 배열(2d)이 제공됩니다. 그리고 아시다시피 모래시계 모양의 숫자가 있습니다. 첫 번째는 아래에 있습니다. 이 모래시계의 합은 (1 + 1 + 1) + (1) + (1 + 1 + 1) =... hackerrankbeginnersjava 이상한 카운터 | 설명이 포함된 Hackerrank 문제 해결 방법 다음 초에 타이머는 이전 주기의 초기 숫자의 2배로 재설정되고 카운트다운을 계속합니다. 아래 다이어그램은 처음 세 주기의 각 시간 t에 대한 카운터 값을 보여줍니다. 입력 형식 샘플 입력 샘플 출력 주어진 문제 설명에서 다음을 명확하게 볼 수 있습니다. 첫 번째 사이클을 완료하는 데 걸리는 시간: 3초 두 번째 사이클을 완료하는 데 걸리는 시간: 6초 세 번째 사이클을 완료하는 데 걸리는 시... hackerrankpythoncompetitiveprogrammingalgorithms 계단 | javascript의 HackerRank 솔루션 문제 설명 : 입력 형식 계단의 크기를 나타내는 단일 정수 ,n. 제약 조건: 0 < n <= 100 출력 형식 : # 기호와 공백을 사용하여 크기의 계단을 인쇄하십시오. 참고: 마지막 줄에는 공백이 있어야 합니다. 예시: 샘플 입력: 6 샘플 출력 자바스크립트로 해결.... hackerrankjavascriptstaircasesolution 캡틴의 방 | 설명이 포함된 Hackerrank 문제 해결 방법 호텔에는 무한한 양의 객실이 있습니다. 관광객은 다음으로 구성됩니다. → K ≠ 1인 그룹당 구성원으로 구성된 알려지지 않은 가족 그룹. 캡틴에게는 별도의 방이 주어졌고 나머지는 그룹당 하나의 방이 주어졌습니다. Anant 씨는 무작위로 배열된 방 항목의 정렬되지 않은 목록을 가지고 있습니다. 목록은 모든 관광객의 방 번호로 구성됩니다. 객실 번호는 캡틴의 방을 제외하고 그룹당 K번 나타납니... pythonalgorithmshackerrankcompetitveprogramming 뒤집기 비트 문제 이 문제는 솔버에게 32비트 부호 없는 정수의 뒤집힌 비트를 인쇄하도록 요청합니다. 자세하게는 정수가 제공됩니다. 9 (base 10) 32비트 부호 없는 10진 정수 결과를 반환하도록 함수를 작성해야 합니다. 4294967286 (base 10) 모든 코드는 Javascript로 작성되지만 이 문제를 해결하기 위해 모든 언어를 사용할 수 있습니다. 9에서 4294967286으로 가는 방법은... hackerrankprogrammingbeginnersjavascript [HackerRank] Employee Salaries Write a query that prints a list of employee names (i.e.: the name attribute) for employees in Employee having a salary greater than per month who have been employees for less than months. Sort your result by ascending e... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Employee Names Write a query that prints a list of employee names (i.e.: the name attribute) from the Employee table in alphabetical order. Input Format The Employee table containing employee data for a company is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 7 Query the list of CITY names ending with vowels (a, e, i, o, u) from STATION. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Higher Than 75 Marks Query the Name of any student in STUDENTS who scored higher than 75 Marks. Order your output by the last three characters of each name. If two or more students both have names ending in the same last three characters (i.... MySQL예제스터디mysqlstudyhackerrankMySQL예제 HackerRank] Weather Observation Station 12 Query the list of CITY names from STATION that do not start with vowels and do not end with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northe... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 11 Query the list of CITY names from STATION that either do not start with vowels or do not end with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the ... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 10 Query the list of CITY names from STATION that do not end with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is the... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 9 Query the list of CITY names from STATION that do not start with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is t... 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MySQL예제스터디mysqlstudyhackerrankMySQL예제 [SQL] Average Population of Each Continent ✅ Average Population of Each Continent 📝 문제 Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY.Continent) and their respective average city populations (CITY.Population) rounded down to the... hackerrankhackerrank [SQL] African Cities ✅ African Cities 📝 문제 Given the CITY and OUNTRY tables, query the names of all cities where the CONTINENT is 'Africa'. Note : CITY.CountryCode and COUNTRY.Code are matching key columns. Input Format The CITY and COUNTRY ... hackerrankhackerrank [SQL Runday] HackerRank - Interviews 각 공모전별로 contest_id, hacker_id, name, total_submissions의 개수, total_accepted_submissions의 개수, total_views, total_unique_views(고유 조회수?)를 조회하는 쿼리를 작성해라. challenge_id 칼럼은 사만다가 까먹은 contest_id를 갖고 있는 contest들 중 하나에 속해있는 챌린지의 id... sqlhackerrank1일1sql1일1sql [HackerRank] Revising Aggregations - The Sum Function Query the total population of all cities in CITY where District is California. Input Format The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Revising Aggregations - The Count Function Query a count of the number of cities in CITY having a Population larger than 100,000 Input Format The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Occupations Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. The output column headers should be Doctor, Professor, Singer, and Actor, respe... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Revising the Select Query II Query the NAME field for all American cities in the CITY table with populations larger than 120000. The CountryCode for America is USA. The CITY table is described as follows:... MySQL예제hackerrankmysqlMySQL예제 [HackerRank] Weather Observation Station 1 Query a list of CITY and STATE from the STATION table. The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is the western longitude.... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Japanese Cities' Names Query the names of all the Japanese cities in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Japanese Cities' Attributes Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 5 Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i.e.: number of characters in the name). If there is more than one smallest or largest city, choose the one t... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 4 Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W i... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 3 Query a list of CITY names from STATION for cities that have an even ID number. Print the results in any order, but exclude duplicates from the answer. The STATION table is described as follows: where LAT_N is the northe... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [SQL] Weather Observation Station 2 ✅ Weather Observation Station 2 📝 문제 Query the following two values from the STATION table: The sum of all values in LAT_N rounded to a scale of 2 decimal places. The sum of all values in LONG_W rounded to a scale of 2 d... hackerrankhackerrank 이전 기사 보기
모래시계 문제 이 문제는 hackerrank에 대한 도전을 기반으로 합니다. 약간 까다로운 초보자 수준의 문제입니다. 문제는 주어진 2d 정수 배열에서 모든 모래시계 모양의 숫자 합계의 최대값을 찾는 것입니다. 6 x 6 배열(2d)이 제공됩니다. 그리고 아시다시피 모래시계 모양의 숫자가 있습니다. 첫 번째는 아래에 있습니다. 이 모래시계의 합은 (1 + 1 + 1) + (1) + (1 + 1 + 1) =... hackerrankbeginnersjava 이상한 카운터 | 설명이 포함된 Hackerrank 문제 해결 방법 다음 초에 타이머는 이전 주기의 초기 숫자의 2배로 재설정되고 카운트다운을 계속합니다. 아래 다이어그램은 처음 세 주기의 각 시간 t에 대한 카운터 값을 보여줍니다. 입력 형식 샘플 입력 샘플 출력 주어진 문제 설명에서 다음을 명확하게 볼 수 있습니다. 첫 번째 사이클을 완료하는 데 걸리는 시간: 3초 두 번째 사이클을 완료하는 데 걸리는 시간: 6초 세 번째 사이클을 완료하는 데 걸리는 시... hackerrankpythoncompetitiveprogrammingalgorithms 계단 | javascript의 HackerRank 솔루션 문제 설명 : 입력 형식 계단의 크기를 나타내는 단일 정수 ,n. 제약 조건: 0 < n <= 100 출력 형식 : # 기호와 공백을 사용하여 크기의 계단을 인쇄하십시오. 참고: 마지막 줄에는 공백이 있어야 합니다. 예시: 샘플 입력: 6 샘플 출력 자바스크립트로 해결.... hackerrankjavascriptstaircasesolution 캡틴의 방 | 설명이 포함된 Hackerrank 문제 해결 방법 호텔에는 무한한 양의 객실이 있습니다. 관광객은 다음으로 구성됩니다. → K ≠ 1인 그룹당 구성원으로 구성된 알려지지 않은 가족 그룹. 캡틴에게는 별도의 방이 주어졌고 나머지는 그룹당 하나의 방이 주어졌습니다. Anant 씨는 무작위로 배열된 방 항목의 정렬되지 않은 목록을 가지고 있습니다. 목록은 모든 관광객의 방 번호로 구성됩니다. 객실 번호는 캡틴의 방을 제외하고 그룹당 K번 나타납니... pythonalgorithmshackerrankcompetitveprogramming 뒤집기 비트 문제 이 문제는 솔버에게 32비트 부호 없는 정수의 뒤집힌 비트를 인쇄하도록 요청합니다. 자세하게는 정수가 제공됩니다. 9 (base 10) 32비트 부호 없는 10진 정수 결과를 반환하도록 함수를 작성해야 합니다. 4294967286 (base 10) 모든 코드는 Javascript로 작성되지만 이 문제를 해결하기 위해 모든 언어를 사용할 수 있습니다. 9에서 4294967286으로 가는 방법은... hackerrankprogrammingbeginnersjavascript [HackerRank] Employee Salaries Write a query that prints a list of employee names (i.e.: the name attribute) for employees in Employee having a salary greater than per month who have been employees for less than months. Sort your result by ascending e... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Employee Names Write a query that prints a list of employee names (i.e.: the name attribute) from the Employee table in alphabetical order. Input Format The Employee table containing employee data for a company is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 7 Query the list of CITY names ending with vowels (a, e, i, o, u) from STATION. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Higher Than 75 Marks Query the Name of any student in STUDENTS who scored higher than 75 Marks. Order your output by the last three characters of each name. If two or more students both have names ending in the same last three characters (i.... MySQL예제스터디mysqlstudyhackerrankMySQL예제 HackerRank] Weather Observation Station 12 Query the list of CITY names from STATION that do not start with vowels and do not end with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northe... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 11 Query the list of CITY names from STATION that either do not start with vowels or do not end with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the ... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 10 Query the list of CITY names from STATION that do not end with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is the... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 9 Query the list of CITY names from STATION that do not start with vowels. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is t... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 8 Query the list of CITY names from STATION which have vowels (i.e., a, e, i, o, and u) as both their first and last characters. Your result cannot contain duplicates. Input Format The STATION table is described as follows... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 6 Query the list of CITY names starting with vowels (i.e., a, e, i, o, or u) from STATION. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where LAT_N is the northern latitude... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [SQL] Average Population of Each Continent ✅ Average Population of Each Continent 📝 문제 Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY.Continent) and their respective average city populations (CITY.Population) rounded down to the... hackerrankhackerrank [SQL] African Cities ✅ African Cities 📝 문제 Given the CITY and OUNTRY tables, query the names of all cities where the CONTINENT is 'Africa'. Note : CITY.CountryCode and COUNTRY.Code are matching key columns. Input Format The CITY and COUNTRY ... hackerrankhackerrank [SQL Runday] HackerRank - Interviews 각 공모전별로 contest_id, hacker_id, name, total_submissions의 개수, total_accepted_submissions의 개수, total_views, total_unique_views(고유 조회수?)를 조회하는 쿼리를 작성해라. challenge_id 칼럼은 사만다가 까먹은 contest_id를 갖고 있는 contest들 중 하나에 속해있는 챌린지의 id... sqlhackerrank1일1sql1일1sql [HackerRank] Revising Aggregations - The Sum Function Query the total population of all cities in CITY where District is California. Input Format The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Revising Aggregations - The Count Function Query a count of the number of cities in CITY having a Population larger than 100,000 Input Format The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Occupations Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. The output column headers should be Doctor, Professor, Singer, and Actor, respe... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Revising the Select Query II Query the NAME field for all American cities in the CITY table with populations larger than 120000. The CountryCode for America is USA. The CITY table is described as follows:... MySQL예제hackerrankmysqlMySQL예제 [HackerRank] Weather Observation Station 1 Query a list of CITY and STATE from the STATION table. The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is the western longitude.... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Japanese Cities' Names Query the names of all the Japanese cities in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Japanese Cities' Attributes Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows:... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 5 Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i.e.: number of characters in the name). If there is more than one smallest or largest city, choose the one t... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 4 Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W i... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [HackerRank] Weather Observation Station 3 Query a list of CITY names from STATION for cities that have an even ID number. Print the results in any order, but exclude duplicates from the answer. The STATION table is described as follows: where LAT_N is the northe... MySQL예제스터디mysqlstudyhackerrankMySQL예제 [SQL] Weather Observation Station 2 ✅ Weather Observation Station 2 📝 문제 Query the following two values from the STATION table: The sum of all values in LAT_N rounded to a scale of 2 decimal places. The sum of all values in LONG_W rounded to a scale of 2 d... hackerrankhackerrank 이전 기사 보기