제출 #733394

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
733394	2023-04-30 16:17:48	rainboy	공주님의 정원 (KOI11_flower)	C11	0 / 18	21 ms	1104 KiB

flower

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#include <stdio.h>
#define N 100000
#define H 17  /* H = ceil(log2(N)) */
#define MD  365
int min(int a, int b) { return a < b ? a : b; }
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int dd[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int idx(int m, int d) {
  int h;
  for (h = 0; h < m; h++)
    d += dd[h];
  return d;
}
int ll[N], rr[N];
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;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

flower.c: In function 'main':
flower.c:60:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |  scanf("%d", &n), l_ = idx(2, 0), r_ = idx(10, 29);
      |  ^~~~~~~~~~~~~~~
flower.c:64:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |   scanf("%d%d%d%d", &ml, &dl, &mr, &dr), ml--, dl--, mr--, dr--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 7
• Subtask 3: 0 / 9