摘要： 1.hdoj 1520 Anniversary party在父亲与儿子之间状态转移#include <iostream>#include <vector>using namespace std;struct Node { int choose, unchoose; int max() { return choose > unchoose ? choose : unchoose; }}ns[6005];vector<int> vec[6005];int n;void treeDP( int father ) { int i, sz, son; sz = 阅读全文