Submission #100701

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
100701	2019-03-13 14:28:10	arman_ferdous	Race (IOI11_race)	C++17	43 / 100	3033 ms	34072 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 2e5+10;
const int MAX = 1e6+10;
int n, k;
vector< pair<int,int> > g[200010];
int sub[N];
bool Deleted[N];
void dfs(int u, int f) {
  sub[u] = 1;
  for(auto it : g[u]) if(it.first != f && !Deleted[it.first]) {
    dfs(it.first, u);
    sub[u] += sub[it.first];
  }
}
int get_centroid(int u, int f, int lim) {
  int ret = -1;
  for(auto it : g[u]) if(it.first != f && !Deleted[it.first]) {
    if(sub[it.first] * 2 > lim) {
      ret = get_centroid(it.first, u, lim);
      break;
    }
  } if(ret == -1) return u;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 0 / 57