yuezhu

mkdir -p /root/build
docker run --name centos --hostname centos -it -v /root/build:/root/build centos:7 /bin/bash

# inside centos container
yum install -y epel-release
yum install -y git jq wget cmake3 make gcc-c++ rpm-build rpmdevtools
yum install -y centos-release-scl
yum install -y devtoolset-8
scl enable devtoolset-8 bash
cd /root/build

yuezhu

class PriorityQueue:

    @dataclass(order=True)
    class _PrioritizedItem:
        sort_order: int
        priority: int
        item: Any = field(compare=False)

    def __init__(self):
        self.pq = []