Pasindu Piumal – SL TECH ACADEMY

Codechef

Chef and Meetings – Codechef Solution – February Challenge 2021 Division 3

ByPasindu Piumal2021-02-08

A time is a string in the format “HH:MM AM” or “HH:MM PM” (without quotes), where HH and MM are always two-digit numbers. A day starts at 12:00 AM and ends at 11:59 PM. You may refer here for understanding the 12-hour clock format.Chef has scheduled a

Codeforces

Codeforces Round 697 – Ball in Berland Solution

ByPasindu Piumal2021-01-27

At the school where Vasya is studying, preparations are underway for the graduation ceremony. One of the planned performances is a ball, which will be attended by pairs of boys and girls. Each class must present two couples to the ball. In Vasya’s class, a boys and b

Codeforces

Codeforces Round 697 – New Year’s Number Solution

ByPasindu Piumal2021-01-27

Polycarp remembered the 2020-th year, and he is happy with the arrival of the new 2021-th year. To remember such a wonderful moment, Polycarp wants to represent the number n as the sum of a certain number of 2020 and a certain number of 2021. For example, if: n=4041, then

Codeforces

Codeforces Round 697 – Odd Divisor Solution

ByPasindu Piumal2021-01-27

Problem : You are given an integer n. Check if n has an odd divisor, greater than one (does there exist such a number x (x>1) that n is divisible by x and x is odd). For example, if n=6, then there is x=3. If n=4, then such a number does not exist. Input : The first line

IOI 2020 – Contest Day 1- Tickets Problem and Solution

ByPasindu Piumal2020-09-24

The 32nd International Olympiad in Informatics was held in Online in 2020. There were two competition days, with 3 tasks given to the competitors on each day. You can see Tickets Problem and Solution below. Problem : Solution : 1,121 total views,

IOI 2020 – Contest Day 1- Supertrees Problem and Solution

ByPasindu Piumal2020-09-24

The 32nd International Olympiad in Informatics was held in Online in 2020. There were two competition days, with 3 tasks given to the competitors on each day. You can see Supertrees Problem and Solution below. Problem : Solution : 915 total views,

IOI 2020 – Contest Day 1- Plants Problem and Solution

ByPasindu Piumal2020-09-24

The 32nd International Olympiad in Informatics was held in Online in 2020. There were two competition days, with 3 tasks given to the competitors on each day. You can see Plants Problem and Solution below. Problem : Solution : 857 total views

Algorithms

Day of the Programmer – HackerRank Solution

ByPasindu Piumal2020-09-11

Problem : Marie invented a Time Machine and wants to test it by time-traveling to visit Russia on the Day of the Programmer (the 256th day of the year) during a year in the inclusive range from 1700 to 2700. From 1700 to 1917, Russia’s official calendar was the Julian

APIO

APIO 2020 Problems and Solutions – Fun Tour

ByPasindu Piumal2020-09-05

Time limit 2 s Memory limit 512 MB Problem : There are NN attractions in the biggest theme park in Jakarta, numbered from 00 to N - 1N−1. These attractions are connected by N - 1N−1 bidirectional roads such that there is a unique path between any pair of attractions through

APIO

APIO 2020 Problems and Solutions – Swapping Cities

ByPasindu Piumal2020-09-05

Time limit 2 s Memory limit 512 MB Problem : There are NN cities in Indonesia, numbered from 00 to N - 1N−1. There are also MM two-way roads, numbered from 00 to M - 1M−1. Each road connects two different cities. The ii-th road connects the U[i]U[i]-th city and

APIO

APIO 2020 Problems and Solutions – Painting Walls

ByPasindu Piumal2020-09-05

Time limit 1500 ms Memory limit 512 MB Problem : It has been a while since the last time Pak Dengklek painted the wall on his house, so he wants to repaint it. The wall consists of NN segments, numbered from 00 to N - 1N−1. For this problem, we

Algorithms

Migratory Birds – HackerRank Solution

ByPasindu Piumal2020-09-03

Problem : You have been asked to help study the population of birds migrating across the continent. Each type of bird you are interested in will be identified by an integer value. Each time a particular kind of bird is spotted, its id number will be added to your array of

Algorithms

Divisible Sum Pairs – HackerRank Solution

ByPasindu Piumal2020-09-03

Problem : You are given an array of n integers, ar = [ar[0], ar[1], ..., ar[n-1]], and a positive integer, k. Find and print the number of (i, j) pairs where i < j and ar[i] + ar[j] is divisible by k. For example, ar = [1, 2, 3, 4, 5, 6] and k = 5. Our three pairs meeting

Algorithms

Birthday Chocolate – HackerRank Solution

ByPasindu Piumal2020-09-01

Problem : Lily has a chocolate bar that she wants to share it with Ron for his birthday. Each of the squares has an integer on it. She decides to share a contiguous segment of the bar selected such that the length of the segment matches Ron’s birth month and the sum of

Algorithms

Breaking the Records – HackerRank Solutions

ByPasindu Piumal2020-08-31

Problem : Maria plays college basketball and wants to go pro. Each season she maintains a record of her play. She tabulates the number of times she breaks her season record for most points and least points in a game. Points scored in the first game

Algorithms

Between Two Sets – HackerRank Solution

ByPasindu Piumal2020-08-25

Problem : You will be given two arrays of integers and asked to determine all integers that satisfy the following two conditions: The elements of the first array are all factors of the integer being considered The integer being considered is a factor of all elements of the

Algorithms

Kangaroo – HackerRank Solution

ByPasindu Piumal2020-08-21

Problem : You are choreographing a circus show with various animals. For one act, you are given two kangaroos on a number line ready to jump in the positive direction (i.e, toward positive infinity). The first kangaroo starts at location x1 and moves at a rate of v1 meters

Algorithms

Apple and Orange – HackerRank Solution

ByPasindu Piumal2020-08-21

Problem : Sam’s house has an apple tree and an orange tree that yield an abundance of fruit. In the diagram below, the red region denotes his house, where s is the start point, and t is the endpoint. The apple tree is to the left of his house, and the orange tree is to

Algorithms

Grading Students – HackerRank Solution

ByPasindu Piumal2020-08-21

Problem : HackerLand University has the following grading policy: Every student receives a grade in the inclusive range from 1 to 100. Any grade less than 40 is a failing grade. Sam is a professor at the university and likes to round each student’s grade according to

Algorithms

Time Conversion – HackerRank Solution

ByPasindu Piumal2020-08-21

Problem : Given a time in 12-hour AM/PM format, convert it to military (24-hour) time. Note: Midnight is 12:00:00AM on a 12-hour clock, and 00:00:00 on a 24-hour clock. Noon is 12:00:00PM on a 12-hour clock, and 12:00:00 on a 24-hour clock. Function Description : Complete