1 分数规划
https://blog.csdn.net/mosquito_zm/article/details/78585094
2 拉格朗日插值
https://blog.csdn.net/axuhongbo/article/details/78667166
例题：
https://blog.csdn.net/axuhongbo/article/details/78684561
3 模拟退火
https://blog.csdn.net/CaprYang/article/details/89389046
https://zhuanlan.zhihu.com/p/33184423
https://oi-wiki.org/misc/simulated-annealing/