제출 #310320

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
310320	2020-10-06 16:26:02	shivensinha4	Regions (IOI09_regions)	C++17	40 / 100	8087 ms	40688 KiB

regions

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#include <bits/stdc++.h> 
using namespace std; 
#define for_(i, s, e) for (int i = s; i < (int) e; i++)
#define for__(i, s, e) for (ll i = s; i < e; i++)
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
//#define endl '\n'
const int MXN = 200000, MXR = 25000, INF = 1e9+1;
int n, r, q;
int reg[MXN+1], tin[MXN+1], tout[MXN+1], pt = 0;
vi adj[MXN+1];
vector<vi> regList[MXR+1];
void dfs(int p, int parent) {
  regList[reg[p]].push_back({pt, p});
  tin[p] = pt++;
  for (int i: adj[p]) if (i != parent) dfs(i, p);
  tout[p] = pt-1;
}
int main() {
  #ifdef shiven
  freopen("test.in", "r", stdin);
  #endif
  
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 25 / 85