BISMILLAHIR RAHMANIR RAHIM

I didn't find all the ones. If anyone finds the rest please mention them.

ICPC Dhaka Regional 2014

ICPC Dhaka Regional 2015

ICPC Dhaka Regional 2016

ICPC Dhaka Regional 2017

ICPC Dhaka Regional 2018

ICPC Dhaka Regional 2019

ICPC Dhaka Regional 2020

ICPC Dhaka Regional 2021

ICPC Dhaka Regional 2022

I am getting wrong answer in this problem. I need help. Problem Code

I couldn't find out bug in my code. Can anybody tell me what's wrong in my code or can anybody give me a testcase ?? Thanks in advance.

• Problem
• My Code

CSES Problemset

If I have missed some, let me know...

Problem

Solution

I don't understand line 24. Why M-1 is used instead of M? Please help me to understand. Thanks in advance.

Can anyone help me solving this problem? CSES PROBLEMSET — Reading Books

I found this good. https://surya1231.github.io/Codeforces-contest/

If you don't have internet all the time then you can download these two and practice.

All Uva Problem in PDF

Excel Sheet for Uva topicwise problem on — Competitive Programming 3: The New Lower Bound of Programming Contests (Steven & Felix Halim)

can anyone help me? How to solve this problem in Extended Euclid algorithm??? https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1574