제출 #1045563

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1045563	2024-08-06 05:46:04	phoenix0423	Chase (CEOI17_chase)	C++17	0 / 100	141 ms	179056 KiB

chase

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
// #pragma GCC optimize("Ofast")
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define int long long
#define lowbit(x) x&-x
const int maxn = 1e5 + 5;
const int INF = 4e18;
const int N = 998244353;
int dp[maxn][105][2];
vector<int> adj[maxn];
int p[maxn], deg[maxn];
int n, v, ans = 0;
void dfs(int pos, int prev){
    dp[pos][1][0] = deg[pos];
    dp[pos][1][1] = deg[pos] - p[pos];
    for(int i = 2; i <= v; i++) dp[pos][i][0] = dp[pos][i - 1][0], dp[pos][i][1] = dp[pos][i - 1][1];
    ans = max(ans, dp[pos][1][1]);
    for(auto x : adj[pos]){
        if(x == prev) continue;
        dfs(x, pos);
        for(int i = 1; i < v; i++){
            ans = max(ans, dp[x][i][1] + dp[pos][v - i][0] - p[x] - p[pos]);
 
 
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• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 30