Submission #161248

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
161248	2019-11-01 15:24:04	Juney	Race (IOI11_race)	C++14	100 / 100	1410 ms	37208 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define all(x) ((x).begin(), (x).end())
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2e5 + 5;
const int INF = 1e9;
const ll MOD = 1e9 + 7;
int N, sz[MAXN], ans, K;
vector<pii> G[MAXN];
bool del[MAXN];
map<int, int> mp;
int szdfs(int cur, int par) {
  sz[cur] = 1;
  for(auto i : G[cur]) if(!del[i.fi] && i.fi != par) sz[cur] += szdfs(i.fi, cur);
  return sz[cur];
}
int cdfs(int cur, int par, int cap) {
  for(auto i : G[cur]) if(!del[i.fi] && i.fi != par && sz[i.fi] > cap) return cdfs(i.fi, cur, cap);
  return cur;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57