제출 #637093

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
637093	2022-08-31 13:25:40	MohamedFaresNebili	Mousetrap (CEOI17_mousetrap)	C++14	100 / 100	1086 ms	217320 KiB

mousetrap

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#include <bits/stdc++.h>
            using namespace std;
            const int INF = INT32_MAX;
            int N, T, M, P[1000005], rem[1000005];
            int DP[1000005], deg[1000005], S[1000005];
            vector<int> adj[1000005], C[1000005];
            void dfs(int v, int p) {
                if(v == M) rem[v] = 1;
                for(auto u : adj[v]) {
                    if(u == p) continue;
                    dfs(u, v); P[u] = v;
                    if(rem[u]) rem[v] = 1;
                    else {
                        C[v].push_back(u); ++deg[v];
                    }
                }
                sort(C[v].begin(), C[v].end(), [](int A, int B) { return DP[A] > DP[B]; });
                if(C[v].size() <= 1) DP[v] = deg[v];
                else DP[v] = deg[v] + DP[C[v][1]];
            }
            void dfs(int v) {
                DP[v] += S[v];
                for(auto u : adj[v]) {
                    if(u == P[v]) continue;
                    S[u] = S[v] + deg[v]; dfs(u);
                }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 20 / 20
• Subtask 4: 35 / 35