제출 #807038

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
807038	2023-08-04 12:37:47	Hakiers	동기화 (JOI13_synchronization)	C++17	100 / 100	570 ms	25728 KiB

synchronization

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const int MAXN = 1e5 + 7;
const int BASE = 1 << 18;
const int LOG = 17;
vector<pair<int, int>> G[MAXN];
int TREE[BASE << 1];
int jmp[MAXN][LOG  + 1];
int a[MAXN], b[MAXN];
int depth[MAXN];
int pre[MAXN], post[MAXN];
int wsk[MAXN];
bool active[MAXN];
int tajm;
int n, m, q;
void dfs(int v, int p, int d = 0){
    pre[v] = ++tajm;
    jmp[v][0] = p;
    depth[v] = d;
    for(int k = 1; k <= LOG; k++)
        jmp[v][k] = jmp[jmp[v][k-1]][k-1];
    
    for(auto [u, id] : G[v]){
        if(u == p) continue;
        wsk[id] = u;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40