Submission #788125

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
788125	2023-07-19 19:30:10	rainboy	Grapevine (NOI22_grapevine)	C11	100 / 100	790 ms	106768 KiB

Main

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define N 100000
#define K 16  /* K = floor(log2(N)) */
#define INF 0x3f3f3f3f3f3f3f3fLL
long long min(long long a, long long b) { return a < b ? a : b; }
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int n;
int ii[N - 1], jj[N - 1], ww[N - 1], hh[N - 1];
void sort(int *hh, int l, int r) {
  while (l < r) {
    int i = l, j = l, k = r, h = hh[l + rand_() % (r - l)], tmp;
    while (j < k) {
      int c = ii[hh[j]] != ii[h] ? ii[hh[j]] - ii[h] : jj[hh[j]] - jj[h];
      if (c == 0)
        j++;
      else if (c < 0) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.c: In function 'search':
Main.c:49:39: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   49 |   if (ii[hh[h]] < i || ii[hh[h]] == i && jj[hh[h]] <= j)
      |                        ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
Main.c: In function 'append':
Main.c:66:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   66 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
Main.c: In function 'main':
Main.c:207:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  207 |  scanf("%d%d", &n, &q);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:211:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  211 |   scanf("%d%d%d", &i, &j, &ww[h]), i--, j--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.c:226:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  226 |   scanf("%d", &t);
      |   ^~~~~~~~~~~~~~~
Main.c:228:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  228 |    scanf("%d", &i), i--;
      |    ^~~~~~~~~~~~~~~
Main.c:231:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  231 |    scanf("%d", &i), i--;
      |    ^~~~~~~~~~~~~~~
Main.c:234:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  234 |    scanf("%d%d%d", &i, &j, &w), i--, j--;
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 18 / 18
• Subtask 6: 32 / 32