lyqscmy

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>xyz.lyqscmy</groupId>
    <artifactId>leetcode</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <properties>

lyqscmy

package main

import (
	"io"
	"log"
	"net/http"
)

func main() {
	// Hello world, the web server

lyqscmy

impl XGBTree {
    fn get_leaf_index(&self, feats: &FVec) -> usize {
        let mut nid: usize = 0;
        let mut node = &self.nodes[nid];
        while !node.is_leaf() {
            let split_index = node.split_index();
            if feats.is_misssing(split_index) {
                nid = node.cdefault();
            } else {
                let split_cond = node.split_cond();