Submission #827956

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
827956	2023-08-16 23:52:34	null_awe	Maze (JOI23_ho_t3)	C++17	59 / 100	2093 ms	382504 KiB

Main

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#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
static char buf[450 << 20];
void* operator new(size_t s) {
  static size_t i = sizeof buf;
  assert(s < i);
  return (void*)&buf[i -= s];
}
void operator delete(void*) {}
const int UNTIL = 4206900;
vector<int> dx = {-1, 1, 0, 0}, dy = {0, 0, -1, 1};
int csqrt[UNTIL], fsqrt[UNTIL];
void init() {
  csqrt[1] = fsqrt[1] = 1;
  for (int i = 2; i < UNTIL; ++i) {
    fsqrt[i] = fsqrt[i - 1];
    while ((fsqrt[i] + 1) * (fsqrt[i] + 1) <= i) ++fsqrt[i];
    csqrt[i] = fsqrt[i];
    if (fsqrt[i] * fsqrt[i] < i) ++csqrt[i];
  }
 
 
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Compilation message (stderr)

Main.cpp:21:5: warning: built-in function 'csqrt' declared as non-function [-Wbuiltin-declaration-mismatch]
   21 | int csqrt[UNTIL], fsqrt[UNTIL];
      |     ^~~~~

• Subtask 1: 0 / 8
• Subtask 2: 19 / 19
• Subtask 3: 16 / 16
• Subtask 4: 19 / 19
• Subtask 5: 5 / 5
• Subtask 6: 0 / 19
• Subtask 7: 0 / 8
• Subtask 8: 0 / 6