Submission #224183

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
224183	2020-04-17 11:36:22	Bruteforceman	Swap (BOI16_swap)	C++11	68 / 100	1103 ms	169052 KiB

swap

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#include <bits/stdc++.h>
using namespace std;
using pii = pair <int, int>;
const int maxn = 2e5 + 5;
map <int, int> dp[maxn], op[maxn];
int a[maxn];
int n;
void dfs(int x) {
  int l = x << 1;
  int r = l + 1;
  if(l <= n) dfs(l);
  if(r <= n) dfs(r);
  
  vector <int> imp;
  int cur = x;
  imp.emplace_back(a[x]);
  while(cur > 1) {
    int nxt = cur / 2;
    imp.emplace_back(a[nxt]);
    if(cur & 1) imp.emplace_back(a[cur ^ 1]);
    cur = nxt;
  }
  if(r <= n) {
    for(int y : imp) { 
      vector <pii> opt ({{INT_MAX, INT_MAX}, {INT_MAX, INT_MAX}, {INT_MAX, INT_MAX}});
      for(int i = 0; i <= 1; i++) {
      for(int j = 0; j <= 1; j++) {
        int p = y, q = a[l], s = a[r];
        if(i) swap(p, q);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 27 / 27
• Subtask 4: 20 / 20
• Subtask 5: 0 / 32