Submission #600514

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
600514	2022-07-21 00:24:01	Bobaa	Jail (JOI22_jail)	C++17	100 / 100	605 ms	64648 KiB

jail

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#include <bits/stdc++.h>
using namespace std; 
const int maxn = 120005; 
vector<int> g[maxn]; 
int n, par[maxn], hd[maxn], sz[maxn], dep[maxn], dfn[maxn], seq[maxn], best[maxn], dft, memtp, tg[10 * maxn], tp, indeg[10 * maxn]; 
pair<int, int> walk[maxn], mem[100 * maxn]; 
struct node {
  int up, dwn; 
} seg[maxn << 2]; 
void adde(int u, int v) {
  mem[++memtp] = pair<int, int>(tg[u], v); 
  tg[u] = memtp; 
  ++indeg[v]; 
}
void build(int l, int r, int rt) {
  if (l == r) {
    seg[rt].up = l; 
    seg[rt].dwn = l + n; 
    return; 
  }
  seg[rt].up = ++tp; 
  indeg[tp] = 0; 
  tg[tp] = 0; 
  seg[rt].dwn = ++tp; 
  indeg[tp] = 0; 
 
 
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