Codeforces 450C：Jzzhu and Chocolate（贪心）
C. Jzzhu and Chocolate time limit per test: 1 seconds memory limit per test: 256 megabytes input: standard input output: standard output Jzzhu has a b ......![]()
Codeforces 450D：Jzzhu and Cities（最短路，dijkstra）
D. Jzzhu and Cities time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output Jzzhu is the pre ......$\text {FWT}$学习笔记
\(\text {FWT}\) 学习笔记 在\(\text {OI}\)中，我们经常会碰到这种问题: 给出一个长度为\(n\)的序列\(a_{1,2,...,n},b_{1,2,...,n}\)，求出 \[c_k=\sum_{i\oplus ......Codeforces-450D-Jzzhu and Cities+dji
参考：https://blog.csdn.net/corncsd/article/details/38235973 传送门：http://codeforces.com/problemset/problem/450/D 题意： 有N个地方，M条线路，K条火车路（从 ......soj552 449E Jzzhu and Squares
分析 https://www.cnblogs.com/Memory-of-winter/p/11209128.html 代码 include<bits/stdc++.h> using namespace std; define int long long const int N = 1 ......
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