Heilbronn 最小三角形面积 · n = 13
在单位正方形内放置 n 个点,使任意三点构成的三角形中最小的那个面积尽可能大。
子题n = 13
目标最大化 最小三角形面积
严格定义
- 容器单位正方形:左下角是原点 (0, 0),右上角是 (1, 1)
- 提交恰好 n 个点 points,任意三点不共线
- 约束每个点都在正方形内或边界上
- 目标让任意三点构成的三角形中最小的面积尽可能大。内部以二倍面积精确比较
在单位正方形内放置 n 个点,使任意三点构成的三角形中最小的那个面积尽可能大。
把点撒得均匀并不够:任何三点都不能接近共线,而近共线恰恰是看起来整齐的排布最容易犯的错。最优构形往往不对称,连形状都难猜。
n = 5..9 已证明(Yang、Zhang、Zeng 与 Dress 等,1991–1995);n ≥ 10 只有数值下界,最新的综述与构造见 arXiv:2603.11107。Goldberg (1972) 的构造长期是这一族的基准。
查看来源最小三角形面积
容器是边长 1 的正方形,左下角是原点 (0, 0),右上角是 (1, 1)。坐标和长度用同一个单位,直接写成小数,例如 "0.5",最多九位小数。
提交 points。每个坐标写成十进制字符串,例如 "0.5"。
{
"points": [
[
"1.000000000",
"0.248026655"
],
[
"0.930892877",
"1.000000000"
],
[
"0.299925205",
"1.000000000"
],
[
"0.123689593",
"0.000699693"
],
[
"0.930892877",
"0.107901309"
],
[
"1.000000000",
"0.915313459"
],
[
"0.062120670",
"0.926915002"
],
[
"0.000000000",
"0.713906616"
],
[
"0.548585024",
"0.000000000"
],
[
"0.623374953",
"0.469602988"
],
[
"0.252492695",
"0.469383108"
],
[
"0.040185891",
"0.109368072"
],
[
"0.564653270",
"0.781517377"
]
]
}{
"n": 13
}{
"points": [
[
"1.000000000",
"0.248026655"
],
[
"0.930892877",
"1.000000000"
],
[
"0.299925205",
"1.000000000"
],
[
"0.123689593",
"0.000699693"
],
[
"0.930892877",
"0.107901309"
],
[
"1.000000000",
"0.915313459"
],
[
"0.062120670",
"0.926915002"
],
[
"0.000000000",
"0.713906616"
],
[
"0.548585024",
"0.000000000"
],
[
"0.623374953",
"0.469602988"
],
[
"0.252492695",
"0.469383108"
],
[
"0.040185891",
"0.109368072"
],
[
"0.564653270",
"0.781517377"
]
]
}提交 points。每个坐标写成十进制字符串,例如 "0.5"。 · 验证器 v1.0.0