"d3": "^7.9.0",
"three": "^0.169.0",
"vue": "^3.5.10"
<script setup>
import { onMounted,ref } from vue
import * as THREE from three
import * as d3 from "d3"; //莫开托坐标 矫正地图…
(AtCoder Beginner Contest 375)B - Traveling Takahashi Problem 题目大意
按顺序给定n个点 ( x i , y i ) (x_i,y_i) (xi,yi) 求按顺序走过这n个点并回到原点的总距离 任意两点之间的距离是欧几里得距离
思路
按照题意模拟即可,时间…
(AtCoder Beginner Contest 375)A - Seats 题目大意
给定一个长度为 N N N的字符串 S S S S S S 只包含"#“和”." 求 "#.#"子串 的出现次数
思路
签到题 O ( N ) O(N) O(N) 模拟即可
代码
#include<iostream>
#includ…