100DaysOfCode

Sanjana Talreja second year ECE, MNIT Jaipur

Goals:

• Competitive Programming:

• Solve 50 questions on greedy algorithm and dynamic programming

• Acquire 4 star rating on codechef

• Solve questions and read editorials of previous long challenges on codechef.

Learning:

• Learn C++ and python

• Learn concepts of Database and SQL

• Data Structures and Algorithms.

Timeline:

Day1: January 1,2020

• Solved questions on codechef watched videos on dynamic programming by geeksforgeeks

Links :

[Q1] (https://www.codechef.com/problems/CHFPARTY)
[A1] (https://www.codechef.com/viewsolution/28600743)
[Q2] (https://www.codechef.com/problems/CHEALG)
[A2] (https://www.codechef.com/viewsolution/28600505)

[dp] (https://www.youtube.com/playlist?list=PLqM7alHXFySGbXhWx7sBJEwY2DnhDjmxm)

Day2: January 2,2020

• Solved questions on codechef
• Solved questions on dynamic programming

Links:

[Q1] (https://www.codechef.com/problems/STUPMACH)
[A1] (https://www.codechef.com/viewsolution/28611828)
[Q2] (https://www.codechef.com/problems/GUESSNUM)
[A2] (https://www.codechef.com/viewsolution/28609894)
[Q3] (https://www.hackerearth.com/practice/algorithms/dynamic-programming/introduction-to-dynamic-programming-1/practice-problems/algorithm/intelligent-girl-1/)

Day3: January 3,2020

• Solved questions in January Long challenge (ongoing)
• Studied Javascript

Links:

[Q1] (https://www.codechef.com/JAN20B/problems/BRKBKS)

Day4: January 4,2020

• Solved questions in January Long challenge (ongoing)

Links:

[Q1] (https://www.codechef.com/JAN20B/problems/DYNAMO)
[Q2] (https://www.codechef.com/JAN20B/problems/CHFDORA)

Day5: January 5,2020

• Studied Javascript and APIs
• C++ stl library- Maps

Links:

[cpp] (https://www.geeksforgeeks.org/map-associative-containers-the-c-standard-template-library-stl/)

Day6: January 6,2020

• Solved 3 questions in IUPC-Plinth 20 Round 1.

Links:

[Q1] (https://www.codechef.com/PLIN2020/status/SPCEXM)
[A1] (https://www.codechef.com/viewsolution/28753227)
[Q2] (https://www.codechef.com/PLIN2020/problems/OTSERC)
[A2] (https://www.codechef.com/viewsolution/28759312)
[Q3] (https://www.codechef.com/PLIN2020/problems/PJCYP)
[A3] (https://www.codechef.com/viewsolution/28755682)

Day7: January 7,2020

• studied PHP and MySQL

Links:

(https://youtu.be/qjwc8ScTHnY)

Day8: January 8,2020

• Solved problems on codeforces

Links:

[Q1] (https://codeforces.com/contest/1287/problem/A)
[A1] (https://codeforces.com/contest/1287/submission/68414238)

Day9: January 9,2020

• Solved problems on codechef

Links:

[Q1] (https://www.codechef.com/PLIT2020/problems/VILLINE)
[A1] (https://www.codechef.com/viewsolution/28858623)

Day10: January 10,2020

• Solved problem in January Long challenge

Links:

[Q1] (https://www.codechef.com/JAN20B/problems/ISBIAS) (ongoing)

Day11: January 11, 2020

• Longest common prefix using sorting

Links:

(https://www.geeksforgeeks.org/longest-common-prefix-using-sorting/)

Day12: January 12,2020

• Solved problems on codeforces and hackerearth

Links:

[Q1] (https://codeforces.com/contest/1285/problem/A)
[A1] (https://codeforces.com/contest/1285/submission/68668310)
[Q2] (https://codeforces.com/contest/1285/problem/B)
[A2] (https://codeforces.com/contest/1285/submission/68680578)
[Q3] (https://www.hackerearth.com/challenges/college/codathon20-nitbhopal/algorithm/underwood-and-secretary-of-state-64013221/) (ongoing)

Day13: January 13,2020

• Fast I/O operations for competitive programming

Links:

(https://www.geeksforgeeks.org/fast-io-for-competitive-programming/)

Day14: January 14,2020

• Studied segment tree
• Solved question on hackerearth (partial)

Links:

(https://www.youtube.com/watch?v=ZBHKZF5w4YU)
[Q1] (https://www.hackerearth.com/challenges/college/codathon20-nitbhopal/algorithm/day-2-2/) (ongoing)

Day15: January 15,2020

• Solved Questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1288/problem/A)
[A1] (https://codeforces.com/contest/1288/submission/68880829)
[Q2] (https://codeforces.com/contest/1288/problem/B)
[A2] (https://codeforces.com/contest/1288/submission/68883645)

Day16: January 16,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1285/problem/C)
[A1] (https://codeforces.com/contest/1285/submission/68942196)

Day17: January 17,2020

• Studied JavaScript and APIs from Udemy.

Day18: January 18,2020

• Read Basic Interview Questions on C from geeksforgeeks.

Links:

(https://www.geeksforgeeks.org/commonly-asked-c-programming-interview-questions-set-1/)

Day19: January 19,2020

• Solved questions on codeforces and January cook off codechef.

Links:

[Q1] (https://www.codechef.com/COOK114B/problems/CHFCHK)
[A1] (https://www.codechef.com/viewsolution/29066195)
[Q2] (https://www.codechef.com/COOK114B/problems/EXAMCHT)
[A2] (https://www.codechef.com/viewsolution/29058373)
[Q3] (https://codeforces.com/contest/1270/problem/A)
[A3] (https://codeforces.com/contest/1270/submission/69087191)
[Q4] (https://www.codechef.com/problems/COWA19F)
[A4] (https://www.codechef.com/viewsolution/29048896)

Day20: January 20,2020

• Solved question on codechef and read about interactive problems

Links:

[Q1] (https://www.codechef.com/problems/CHFIDEAL)
[A1] (https://www.codechef.com/viewsolution/29096701)

Day21: January 21,2020

• Solved question on codeforces

Links:

[Q1] (https://codeforces.com/contest/1270/problem/B)
[A1] (https://codeforces.com/contest/1270/submission/69209250)

Day22: January 22,2020

• Web development- PHP and APIs

Day23: January 23,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1294/problem/A)
[A1] (https://codeforces.com/contest/1294/submission/69438305)

Day24: January 24,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1293/problem/A)
[A1] (https://codeforces.com/contest/1293/submission/69485565)
[Q2] (https://codeforces.com/contest/1293/problem/B)
[A2] (https://codeforces.com/contest/1293/submission/69486157)

Day25: January 25,2020

• studied dynamic programming concepts and solved questions

Links:

[Q1] (https://www.geeksforgeeks.org/0-1-knapsack-problem-dp-10/)

Day26: January 26,2020

• Solved questions on codechef

Links:

[Q1] (https://www.codechef.com/problems/JGEC)
[A1] (https://www.codechef.com/viewsolution/29209038)

Day27: January 27, 2020

• Studied C++ stl concepts by saurabh shukla

Links:

[source] (https://www.youtube.com/watch?v=2HiObtJLNFY&list=PLumVgkpr9_ePu3x3U-d1DZY-sgD0c5zjc)

Day28: January 28,2020

• GeeksforGeeks- article

Links:

[source] (https://www.geeksforgeeks.org/calculate-xor-1-n/)

Day29: January 29,2020

• installed gitbash and learned commands for windows

Day30: January 30,2020

• studied arrays, tuples,pairs in stl

Links:

[source] (https://www.youtube.com/watch?v=2HiObtJLNFY&list=PLumVgkpr9_ePu3x3U-d1DZY-sgD0c5zjc)

Day 31: January 31,2020

• finished containers in c++ stl

Links:

[source] (https://www.youtube.com/watch?v=2HiObtJLNFY&list=PLumVgkpr9_ePu3x3U-d1DZY-sgD0c5zjc)

Day 32: February 1,2020

• Web Development- Loaders in CSS

Links:

[Source] (https://www.w3schools.com/howto/howto_css_loader.asp)

Day 33: February 2,2020

• C programming- basics

Links:

[Source] (https://www.faceprep.in/c-programming-interview-questions/)

Day 34: February 3,2020

• Solved problems on codeforces

Links:

[Q1] (https://codeforces.com/contest/1291/problem/A)
[A1] (https://codeforces.com/contest/1291/submission/70157493)

Day 35: February 4,2020

• Previous unsolved questions on codechef

Links:

[Q1] (https://www.codechef.com/problems/BITOBYT)
[A1] (https://www.codechef.com/viewsolution/29315602)

Day 36: February 5,2020

• Solved problems on codeforces

Links:

[Q1] (https://codeforces.com/contest/1296/problem/A)
[A1] (https://codeforces.com/contest/1296/submission/70372107)
[Q2] (https://codeforces.com/contest/1296/problem/B)
[A2] (https://codeforces.com/contest/1296/submission/70373246)

Day 37: February 6,2020

• Solved problems on codeforces

Links:

[Q1] (https://codeforces.com/contest/1296/problem/E1)
[A1] (https://codeforces.com/contest/1296/submission/70418278)
[Q2] (https://codeforces.com/contest/1296/problem/D)
[A2] (https://codeforces.com/contest/1296/submission/70464736)

Day 38: February 7,2020

• Solved problems on codechef

Links:

[Q1] (https://www.codechef.com/problems/BEGEVY)
[A1] (https://www.codechef.com/viewsolution/29363699)

Day 39: February 8,2020

• Solved problems in February long challenge on codechef

Links:

[Q1] (https://www.codechef.com/FEB20B/problems/SNUG_FIT) (ongoing)
[Q2] (https://www.codechef.com/FEB20B/problems/CASH) (ongoing)

Day 40: February 9,2020

• Operating system- threads

Links:

[source] (https://www.geeksforgeeks.org/multithreading-c-2/)

Day 41: February 10,2020

• February long challenge

Links:

[Q1] (https://www.codechef.com/FEB20B/problems/THEATRE) (ongoing)

Day 42: February 11,2020

• February long challenge

Links:

[Q1] (https://www.codechef.com/FEB20B/problems/NOCHANGE) (ongoing)

Day 43: February 12,2020

• Geeks for Geeks article

Links:

[source] (https://www.geeksforgeeks.org/tag/d-e-shaw/)

Day 44: February 13,2020

• Web Development - APIs and Javascript

Day 45: February 14,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1304/problem/A)
[A1] (https://codeforces.com/contest/1304/submission/71173048)
[Q2] (https://codeforces.com/contest/1304/problem/B)
[A2] (https://codeforces.com/contest/1304/submission/71178231)

Day 46: March 7,2020

• Solved questions on greedy algorithm, hackerearth

Links:

[Q1] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/motu-and-patlu-1-ab612ad8/)
[A1] (https://www.hackerearth.com/submission/37301472/)
[Q2] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/subxor-e114a622/)
[A2] (https://www.hackerearth.com/submission/37307240/)
[Q3] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/pikachu-and-the-game-of-strings-1-8c22a8ce/)
[A3] (https://www.hackerearth.com/submission/37308153/)
[Q4] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/exploring-ruins/)
[A4] (https://www.hackerearth.com/submission/37309306/)

Day 47: March 8,2020

• Solved questions in March Long Challenge

Links:

[Q1] (https://www.codechef.com/MARCH20B/problems/CHPINTU) (ongoing)

Day 48: March 9,2020

• Solved questions in March long Challenge

Links:

[Q1] (https://www.codechef.com/MARCH20B/problems/ENGXOR)
[Q2] (https://www.codechef.com/MARCH20B/problems/ADASHOP2) (ongoing)

Day 49: March 10,2020

• Solved question in March Long challenge (partial)

Links:

[Q1] (https://www.codechef.com/MARCH20B/problems/LAZER) (ongoing)

Day 50: March 11,2020

• Solved question in CodeRed

Links:

[Q1] (https://www.codechef.com/CORE2020/problems/CORE2002)
[A1] (https://www.codechef.com/viewsolution/30320479)

Day 51: March 12,2020

• Solved question in March Long challenge (partial)

Links:

[Q1] (https://www.codechef.com/MARCH20B/problems/BREAK) (ongoing)

Day 52: March 13,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1311/problem/A)
[A1] (https://codeforces.com/contest/1311/submission/73090069)
[Q2] (https://codeforces.com/contest/1311/problem/B)
[A2] (https://codeforces.com/contest/1311/submission/73151196)

Day 53: March 14,2020

• Solved greedy algorithm questions on hackerearth
• Solved questions on codeforces

Links:

[Q1] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/coprimed-32042ef1/)
[A1] (https://www.hackerearth.com/submission/38330349/)
[Q2] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/my-girlfriend-and-her-love-for-cats-1/)
[A2] (https://www.hackerearth.com/submission/38325695/)
[Q3] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/toy-box-5044b3ed/)
[A3] (https://www.hackerearth.com/submission/38331694/)
[Q4] (https://www.hackerearth.com/practice/algorithms/greedy/basics-of-greedy-algorithms/practice-problems/algorithm/bob-and-gcd-d6d86b3b/)
[A4] (https://www.hackerearth.com/submission/38343964/)
[Q5] (https://codeforces.com/contest/1325/problem/A)
[A5] (https://codeforces.com/contest/1325/submission/73233486)
[Q6] (https://codeforces.com/contest/1325/problem/B)
[A6] (https://codeforces.com/contest/1325/submission/73239158)

Day 54: March 15,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1321/problem/A)
[A1] (https://codeforces.com/contest/1321/submission/73337336)
[Q2] (https://codeforces.com/contest/1312/problem/A)
[A2] (https://codeforces.com/contest/1312/submission/73362329)

Day 55: March 16,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1312/problem/B)
[A1] (https://codeforces.com/contest/1312/submission/73364536)
[Q2] (https://codeforces.com/contest/1269/problem/A)
[A2] (https://codeforces.com/contest/1269/submission/73367561)

Day 56: March 17,2020

• Worked on personal website

Day 57: March 18,2020

• Contest on hackerrank, solved 3 questions

Links:

[Q1] (https://www.hackerrank.com/contests/renaissace-self-evaluation-2/challenges/number-of-toffees)
[A1] (https://www.hackerrank.com/contests/renaissace-self-evaluation-2/challenges/number-of-toffees/submissions/code/1321910020)
[Q2] (https://www.hackerrank.com/contests/renaissace-self-evaluation-2/challenges/keep-them-silent)
[A2] (https://www.hackerrank.com/contests/renaissace-self-evaluation-2/challenges/keep-them-silent/submissions/code/1321911146)
[Q3] (https://www.hackerrank.com/contests/renaissace-self-evaluation-2/challenges/siddhant-and-money-1)
[A3] (https://www.hackerrank.com/contests/renaissace-self-evaluation-2/challenges/siddhant-and-money-1/submissions/code/1321915305)

Day 58: March 19,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1316/problem/A)
[A1] (https://codeforces.com/contest/1316/submission/73655719)

Day 59: March 20,2020

• Solved questions on codeforces and codechef

Links:

[Q1] (https://www.codechef.com/problems/POPGATES)
[A1] (https://www.codechef.com/viewsolution/30600354)
[Q2] (https://codeforces.com/contest/1326/problem/A)
[A2] (https://codeforces.com/contest/1326/submission/73822519)
[Q3] (https://codeforces.com/contest/1326/problem/B)
[A3] (https://codeforces.com/contest/1326/submission/73836777)

Day 60: March 21,2020

• Studied Concepts of Object Oriented Programming in C++

Links:

[source] (https://www.youtube.com/watch?v=Iuo9PpGE04Y&list=PLLYz8uHU480j37APNXBdPz7YzAi4XlQUF)

Day 61: March 22,2020

• Solved 2 Questions in March Cook off- Codechef

Links:

[Q1] (https://www.codechef.com/COOK116B/problems/GIFTSRC)
[A1] (https://www.codechef.com/viewsolution/30635634)
[Q2] (https://www.codechef.com/COOK116B/problems/CHCBOX)
[A2] (https://www.codechef.com/viewsolution/30653588)

Day 62: March 23,2020

• March Cook Off - Codechef

Links:

[Q1] (https://www.codechef.com/COOK116B/problems/MYSARA)
[A1] (https://www.codechef.com/problems/MYSARA)

Day 63: March 24,2020

• Codeshows Contest

Links:

[Q1] (https://www.hackerearth.com/problem/algorithm/game-of-thrones-7-27840c1c/)
[A1] (https://www.hackerearth.com/challenges/college/cgr1/algorithm/game-of-thrones-7-27840c1c/submission/38994679/)
[Q2] (https://www.hackerearth.com/problem/algorithm/anmol-surya-ka-bruteforce-efca0eac/)
[A2] (https://www.hackerearth.com/challenges/college/cgr1/algorithm/anmol-surya-ka-bruteforce-efca0eac/submission/38982998/)
[Q3] (https://www.hackerearth.com/problem/algorithm/078117109098101114115-d7ca7a60/)
[A3] (https://www.hackerearth.com/challenges/college/cgr1/algorithm/078117109098101114115-d7ca7a60/submission/38985838/)
[Q4] (https://www.hackerearth.com/problem/algorithm/corona-breakdown-ed6032c2/)
[Q5] (https://www.hackerearth.com/problem/algorithm/pascal-ka-triangle-92211afb/)
[A5] (https://www.hackerearth.com/challenges/college/cgr1/algorithm/pascal-ka-triangle-92211afb/submission/38993895/)

Day 64: March 25,2020

• Solved questions on Codeforces

Links:

[Q1] (https://codeforces.com/contest/1327/problem/A)
[A1] (https://codeforces.com/contest/1327/submission/74114986)
[Q2] (https://codeforces.com/contest/1327/problem/B)
[A2] (https://codeforces.com/contest/1327/submission/74194419)

Day 65: March 26,2020

• Solved questions on Codeforces

Links:

[Q1] (https://codeforces.com/contest/1327/problem/C)
[A1] (https://codeforces.com/contest/1327/submission/74391802)
[Q2] (https://codeforces.com/contest/1328/problem/A)
[A2] (https://codeforces.com/contest/1328/submission/74401393)

Day 66: March 27,2020

• Solved problems on codeforces

Links:

[Q1] (https://codeforces.com/contest/1328/problem/C)
[A1] (https://codeforces.com/contest/1328/submission/74503794)
[Q2] (https://codeforces.com/contest/1328/problem/B)
[A2] (https://codeforces.com/contest/1328/submission/74569410)

Day 67: March 28,2020

• March Lunctime- Codechef

Links:

[Q1] (https://www.codechef.com/LTIME82B/problems/SWPDGT)
[A1] (https://www.codechef.com/viewsolution/30810339)
[Q2] (https://www.codechef.com/problems/PRFXGD)
[A2] (https://www.codechef.com/viewsolution/30862907)

Day 68: March 29,2020

• Solved Questions on codechef and forces

Links:

[Q1] (https://codeforces.com/contest/1323/problem/A)
[A1] (https://codeforces.com/contest/1323/submission/74640401)
[Q2] (https://www.codechef.com/problems/MOON)
[A2] (https://www.codechef.com/viewsolution/30803031)

Day 69: March 30,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1307/problem/A)
[A1] (https://codeforces.com/contest/1307/submission/74835927)

Day 70: March 31,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1313/problem/A)
[A1] (https://codeforces.com/contest/1313/submission/74924218)
[Q2] (https://codeforces.com/contest/1332/problem/A)
[A2] (https://codeforces.com/contest/1332/submission/74949327)

Day 71: April 1,2020

• Solved questions on codeforces

Links:

[Q1] (https://codeforces.com/contest/1331/problem/A)
[A1] (https://codeforces.com/contest/1331/submission/75105052)
[Q2] (https://codeforces.com/contest/1331/problem/D)
[A2] (https://codeforces.com/contest/1331/submission/75117220)
[Q3] (https://codeforces.com/contest/1331/problem/B)
[A3] (https://codeforces.com/contest/1331/submission/75127119)