1.题⽬链接：BC140杨辉三⻆2.题⽬描述：3.解法：算法思路：最基础的dp模型，按照规律模拟出来杨辉三⻆即可。 C++算法代码： #include<iostream>#include<vector>usingnamespacestd;intmain(){intn;cin>>n;//建表vector<vector<int>>dp(n+1,v