Submission #429472

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
429472	2021-06-16 01:05:03	hibye1217	Race (IOI11_race)	C++17	100 / 100	676 ms	38040 KiB

race

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#ifndef NOTSUBMIT
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
#endif // NOTSUBMIT
typedef long long ll;
typedef pair<ll, ll> pl2;
typedef pair<int, int> pi2;
#define fr first
#define sc second
vector<pl2> adj[200020];
bool chk[200020];
int sz[200020];
int siz(int now, int par){
  //cout << "  SIZ " << now << ' ' << par << endl;
  sz[now] = 1;
  for (pl2 p : adj[now]){
    //cout << "  P " << p.fr << ' ' << p.sc << endl;
    int nxt = p.fr;
    if (nxt == par || chk[nxt]){ continue; }
    //cout << "  ?? " << nxt << ' ' << now << endl;
    sz[now] += siz(nxt, now);
  }
  //cout << "    SIZE " << now << ' ' << sz[now] << endl;
  return sz[now];
}
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57