Submission #670633

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
670633	2022-12-09 19:19:02	rainboy	Stray Cat (JOI20_stray)	C++17	20 / 100	60 ms	16284 KiB

Anthony

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#include "Anthony.h"
#include <cstdlib>
#include <vector>
using namespace std;
typedef vector<int> vi;
namespace A {
  const int N = 20000;
  const int zz[] = { 0, 1, 0, 0, 1, 1 };
  int min(int a, int b) { return a < b ? a : b; }
  int *ej[N], eo[N], dd[N], pp[N], cc_[N], qu[N], n;
  void init(int n_) {
    n = n_;
    for (int i = 0; i < n; i++)
      ej[i] = (int *) malloc(2 * sizeof *ej[i]);
  }
  void append(int i, int j) {
    int o = eo[i]++;
    if (o >= 2 && (o & o - 1) == 0)
      ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
    ej[i][o] = j;
  }
  void bfs() {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Catherine

 
 
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Compilation message (stderr)

Anthony.cpp: In function 'void A::append(int, int)':
Anthony.cpp:25:24: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   25 |   if (o >= 2 && (o & o - 1) == 0)
      |                      ~~^~~

• Subtask 1: 2 / 2
• Subtask 2: 2 / 2
• Subtask 3: 2 / 2
• Subtask 4: 9 / 9
• Subtask 5: 5 / 5
• Subtask 6: 0 / 71
• Subtask 7: 0 / 9