### IOI 2020 – Contest Day 1- Tickets Problem and Solution

The 32nd International Olympiad in Informatics was held in Online in 2020. There were two…

133 total views, 1 views today

### IOI 2020 – Contest Day 1- Supertrees Problem and Solution

The 32nd International Olympiad in Informatics was held in Online in 2020. There were two…

147 total views, 1 views today

### IOI 2020 – Contest Day 1- Plants Problem and Solution

The 32nd International Olympiad in Informatics was held in Online in 2020. There were two…

63 total views

### Day of the Programmer – HackerRank Solution

Problem : Marie invented a Time Machine and wants to test it by time-traveling to visit Russia…

79 total views

### APIO 2020 Problems and Solutions – Fun Tour

Time limit2 sMemory limit512 MB Problem : There are NN attractions in the biggest theme park in…

107 total views

### APIO 2020 Problems and Solutions – Swapping Cities

Time limit2 sMemory limit512 MB Problem : There are NN cities in Indonesia, numbered from 00 to N – 1N−1.…

84 total views

### APIO 2020 Problems and Solutions – Painting Walls

Time limit1500 msMemory limit512 MB Problem : It has been a while since the last…

87 total views

### Migratory Birds – HackerRank Solution

Problem : You have been asked to help study the population of birds migrating across…

88 total views

### Divisible Sum Pairs – HackerRank Solution

Problem : You are given an array of n integers, ar = [ar[0], ar[1], …, ar[n-1]], and a…

78 total views

### Birthday Chocolate – HackerRank Solution

Problem : Lily has a chocolate bar that she wants to share it with Ron…

100 total views, 1 views today

### Breaking the Records – HackerRank Solutions

Problem : Maria plays college basketball and wants to go pro. Each season she maintains…

126 total views

### Between Two Sets – HackerRank Solution

Problem : You will be given two arrays of integers and asked to determine all…

94 total views

### How to get Microsoft Office 365(2020) for free legally

Microsoft Office 365 includes Microsoft Office, SharePoint Online, Lync Online and Exchange Online combined in…

94 total views

### Kangaroo – HackerRank Solution

Problem : You are choreographing a circus show with various animals. For one act, you…

149 total views, 2 views today

### Apple and Orange – HackerRank Solution

Problem : Sam’s house has an apple tree and an orange tree that yield an…

108 total views

### Grading Students – HackerRank Solution

Problem : HackerLand University has the following grading policy: Every student receives a grade in the inclusive…

169 total views

### Time Conversion – HackerRank Solution

Problem : Given a time in 12-hour AM/PM format, convert it to military (24-hour) time. Note:…

93 total views

### Birthday Cake Candles – HackerRank Solution

Problem : You are in charge of the cake for your niece’s birthday and have…

94 total views

### Print Pretty – HackerRank Solution

Problem : Your manager gave you a text file with many lines of numbers to…

85 total views

### 2 Ways to Hack WhatsApp

Hack WhatsApp!! Not like cybercrime hacking. Just simple two methods that you can access another…

167 total views

### IOI 2019 – Sky Walking Problem and Solution

The 31st International Olympiad in Informatics was held in Baku, Azerbaijan in 2019. There were…

151 total views, 1 views today