Submission #659721

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
659721	2022-11-19 06:53:42	ymm	Inside information (BOI21_servers)	C++17	100 / 100	1414 ms	8544 KiB

servers

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#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
const int N = 1<<17;
const int S = 256;
int cnt[N];
unsigned char cnt_buf[S]; int buf_sum = 0;
unsigned char pool[2*N][S];
int pool_size;
int ptr_pool[N];
__attribute__((optimize("O3,unroll-loops"),target("avx2")))
void merge(int i, int j)
{
  if (ptr_pool[i] == -1 && ptr_pool[j] == -1)
    return;
  ++buf_sum;
  if (ptr_pool[i] == -1)
    swap(i, j);
  if (ptr_pool[j] == -1) {
    i = ptr_pool[i];
    Loop (k,0,S)
      cnt_buf[k] -= pool[i][k];
    ptr_pool[j] = i;
 
 
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• Subtask 1: 2.5 / 2.5
• Subtask 2: 2.5 / 2.5
• Subtask 3: 2.5 / 2.5
• Subtask 4: 2.5 / 2.5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 12.5 / 12.5
• Subtask 10: 12.5 / 12.5
• Subtask 11: 17.5 / 17.5
• Subtask 12: 17.5 / 17.5