Problem Link https://www.codechef.com/problems/ADDMUL
I wanted to understand how to handle addition and multiplication queries simultaneously. Though I read the editorial, I could not understand how to propagate lazy updates to the child nodes.
№ | Пользователь | Рейтинг |
---|---|---|
1 | tourist | 3690 |
2 | jiangly | 3647 |
3 | Benq | 3581 |
4 | orzdevinwang | 3570 |
5 | Geothermal | 3569 |
5 | cnnfls_csy | 3569 |
7 | Radewoosh | 3509 |
8 | ecnerwala | 3486 |
9 | jqdai0815 | 3474 |
10 | gyh20 | 3447 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
---|---|---|
1 | maomao90 | 174 |
2 | awoo | 165 |
3 | adamant | 161 |
4 | TheScrasse | 160 |
5 | nor | 158 |
6 | maroonrk | 156 |
7 | -is-this-fft- | 152 |
8 | orz | 146 |
9 | SecondThread | 145 |
9 | pajenegod | 145 |
Problem Link https://www.codechef.com/problems/ADDMUL
I wanted to understand how to handle addition and multiplication queries simultaneously. Though I read the editorial, I could not understand how to propagate lazy updates to the child nodes.
Can anyone explain me problem C ELECTRIFICATION from Educational Codeforces Round 66 (Rated for Div. 2). My doubts are from the tutorial are: 1. Since we need the dk+1 distance that means we should minimize distance to k+1 points so why we are looking over k points . 2. How they got the expression for f(x). The problem statement is https://codeforces.com/problemset/problem/1175/C and tutorial link is https://codeforces.com/blog/entry/67484
Название |
---|