Submission #1014865

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1014865	2024-07-05 16:11:16	rainboy	Flooding Wall (BOI24_wall)	C11	100 / 100	547 ms	36160 KiB

Main

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#include <stdio.h>
#define N 500000
#define N_  (1 << 19) /* N_ = pow2(ceil(log2(N))) */
#define MD  1000000007
unsigned int Z = 12345;
int rand_() {
  return (Z *= 3) >> 1;
}
int pp2[N + 1];
void init() {
  int i;
  pp2[0] = 1;
  for (i = 1; i <= N; i++)
    pp2[i] = pp2[i - 1] * 2 % MD;
}
int yy[N * 2];
void sort(int *ii, int l, int r) {
  while (l < r) {
    int i = l, j = l, k = r, i_ = ii[l + rand_() % (r - l)], tmp;
    while (j < k)
      if (yy[ii[j]] == yy[i_])
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.c: In function 'main':
Main.c:81:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:83:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |   scanf("%d", &yy[i << 1 | 0]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.c:85:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   85 |   scanf("%d", &yy[i << 1 | 1]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 17 / 17
• Subtask 3: 19 / 19
• Subtask 4: 14 / 14
• Subtask 5: 12 / 12
• Subtask 6: 30 / 30