Submission #1113427

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1113427	2024-11-16 14:50:14	duckindog	Line Town (CCO23_day1problem3)	C++17	9 / 25	2053 ms	21800 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 500'000 + 10,
          MAX = 1'000'000'000'000'000;
int n;
int h[N];
namespace sub2 { 
  int pref[N];
  void solve() { 
    int answer = MAX;  
    { // the number of 1 is odd
      deque<int> odd, even;
      for (int i = 1; i <= n; ++i) { 
        auto& vt = (i ^ (h[i] == 1)) & 1 ? odd : even;
        vt.push_back(i);
      }
      vector<int> sequence;
      for (int i = 1; i < n; ++i) { 
        auto& ret = pref[i];
        ret = pref[i - 1];
        auto& vt = i & 1 ? odd : even;
        if (!vt.size()) { ret = MAX; continue; }
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 3 / 3
• Subtask 4: 0 / 4
• Subtask 5: 0 / 4
• Subtask 6: 0 / 3
• Subtask 7: 0 / 2
• Subtask 8: 0 / 3