Submission #59255

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
59255	2018-07-21 10:48:26	aome	Cave (IOI13_cave)	C++14	100 / 100	1300 ms	648 KiB

cave

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#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 5005;
int a[N];
int state1[N], pos1[N];
int state2[N], pos2[N];
void exploreCave(int n) {
    for (int i = 0; i < n; ++i) {
      memset(a, -1, sizeof a);
      for (int j = 0; j < i; ++j) {
        a[pos1[j]] = state1[j];
      }
      for (int j = 0; j < n; ++j) {
        if (a[j] == -1) a[j] = 0;
      }
      int rep = tryCombination(a);
      if (rep != i) state1[i] = 0;
      else state1[i] = 1;
      for (int j = 0; (1 << j) < n; ++j) {
        for (int k = 0; k < n; ++k) {
          if (k >> j & 1) a[k] = state1[i];
          else a[k] = state1[i] ^ 1;
        }
        for (int k = 0; k < i; ++k) {
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 13 / 13
• Subtask 3: 21 / 21
• Subtask 4: 30 / 30
• Subtask 5: 24 / 24