제출 #895542

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
895542	2023-12-30 08:20:25	abcvuitunggio	Training (IOI07_training)	C++17	100 / 100	17 ms	15196 KiB

training

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#include <bits/stdc++.h>
using namespace std;
int n,m,a[5001],b[5001],c[5001],dp[1001][1024],f[1001][1001],p[1001],d[1001],res,pos[1001],mask[5001];
vector <int> ke[1001],ve[1001],child[1001],path[1001][11];
void dfs(int u, int par){
    for (int v:ke[u])
        if (v!=par){
            pos[v]=child[u].size();
            child[u].push_back(v);
            p[v]=u;
            d[v]=d[u]+1;
            dfs(v,u);
        }
}
int lca(int u, int v){
    if (!u||!v)
        return 0;
    if (u==v)
        return u;
    if (f[u][v])
        return f[u][v];
    return f[u][v]=(d[u]>d[v]?lca(p[u],v):lca(u,p[v]));
}
void dfs2(int u){
    for (int v:child[u]){
        dfs2(v);
        for (int i=0;i<(1<<(child[u].size()));i++)
            if (!((i>>pos[v])&1))
                dp[u][i]+=dp[v][0];
    }
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 7 / 7
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9
• Subtask 11: 9 / 9