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Submission #247278

# Submission time Handle Problem Language Result Execution time Memory
247278 2020-07-11T08:35:06 Z oolimry Lokahian Relics (FXCUP4_lokahia) C++17
77 / 100
 6 ms 640 KB 
#include "lokahia.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> ii;

int p[205];
int sz[205];

int findSet(int u){
  if(u == p[u]) return u;
  else return findSet(p[u]);
}

int SZ(int u){ return sz[findSet(u)]; }

void unionSet(int u, int P){
  u = findSet(u), P = findSet(P);
  p[u] = P;
  sz[P] += sz[u];
}

int FindBase(int N){
  srand(time(NULL));
  vector<int> v;

  if(N == 1){
    return 0;
  }

  for(int i = 0;i < N;i++) v.push_back(i);

  for(int i = 0;i < N;i++){
    p[i] = i;
    sz[i] = 1;
  }

  int cnt = 0;
  map<int,int> occur;

  while(cnt < 200){
    int a = rand() % N, b = rand() % N;
    if(a == b) continue;
    if(a < N/3 && b < N/3) continue;

    cnt++;
    int x = CollectRelics(a,b);
    occur[x]++;
  }

  int best = 0;
  for(int i = 0;i < N;i++){
    if(occur[best] < occur[i]){
      best = i;
    }
  }

  int total = 0;
  for(int i = 0;i < N;i++){
    if(i == best){
      total++;
      continue;
    }

    if(CollectRelics(i,best) != -1) total++;
  }

  //cout << best;
  if(total > (N/2)) return best;
  //assert(false);
  //cout << best;
  return -1;
}

Subtask #1
77.0 / 100.0

# Verdict Execution time Memory Grader output
1 Partially correct 5 ms 640 KB Partially correct : C = 398
2 Partially correct 5 ms 640 KB Partially correct : C = 398
3 Partially correct 5 ms 512 KB Partially correct : C = 319
4 Partially correct 5 ms 640 KB Partially correct : C = 318
5 Partially correct 5 ms 640 KB Partially correct : C = 398
6 Partially correct 5 ms 640 KB Partially correct : C = 399
7 Partially correct 5 ms 512 KB Partially correct : C = 319
8 Partially correct 5 ms 512 KB Partially correct : C = 319
9 Partially correct 5 ms 512 KB Partially correct : C = 319
10 Partially correct 5 ms 640 KB Partially correct : C = 399
11 Partially correct 5 ms 640 KB Partially correct : C = 318
12 Partially correct 5 ms 640 KB Partially correct : C = 399
13 Partially correct 5 ms 640 KB Partially correct : C = 318
14 Partially correct 5 ms 640 KB Partially correct : C = 399
15 Partially correct 5 ms 512 KB Partially correct : C = 319
16 Partially correct 5 ms 640 KB Partially correct : C = 398
17 Partially correct 6 ms 640 KB Partially correct : C = 398
18 Partially correct 5 ms 640 KB Partially correct : C = 399
19 Partially correct 5 ms 640 KB Partially correct : C = 318
20 Correct 5 ms 512 KB Correct : C = 204
21 Partially correct 5 ms 640 KB Partially correct : C = 399
22 Partially correct 5 ms 640 KB Partially correct : C = 398
23 Partially correct 5 ms 640 KB Partially correct : C = 399
24 Partially correct 5 ms 640 KB Partially correct : C = 399
25 Partially correct 5 ms 640 KB Partially correct : C = 398
26 Partially correct 5 ms 512 KB Partially correct : C = 318
27 Correct 5 ms 512 KB Correct : C = 0