拉取crates.io非常慢，切换到国内镜像在当前用户下找到.cargo新建文件config[source.crates-io]registry="https://github.com/rust-lang/crates.io-index"#指定镜像replace-with='tuna'#清华大学[source.tuna...

#include<iostream>#include<cstdio>#include<algorithm>#include<queue>//POJ2263#include<map>#include<vector>#include<cstrin...