제출 #242274

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
242274	2020-06-27 08:00:13	lyc	Magic Tree (CEOI19_magictree)	C++14	6 / 100	2109 ms	582368 KiB

magictree

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#include <bits/stdc++.h>
using namespace std;
#define TRACE(x) cerr << #x << " :: " << x << endl
#define _ << " " <<
#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(),(x).end()
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for (int i=(a);i>=(b);--i)
using ll=long long;
using ii=pair<int,int>;
using pll=pair<ll,ll>;
const int mxN = 1e5+5;
const int mxM = mxN;
const int mxK = 1e5+5;
int N, M, K;
vector<int> al[mxN];
ii fruit[mxN];
vector<int> vals;
ll res[mxN][1005];
ll dp(int u, int k) {
    bool take = (fruit[u] != ii(-1,-1) && fruit[u].first <= k);
    ll s1 = 0, s2 = (take ? fruit[u].second : 0);
    for (int v : al[u]) {
        s1 += dp(v,k);
        if (take) s2 += dp(v,fruit[u].first);
    }
 
 
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