제출 #830909

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
830909	2023-08-19 12:49:47	rainboy	LIS (INOI20_lis)	C11	100 / 100	1503 ms	46476 KiB

Main

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#include <stdio.h>
#define N 1000000
#define K 1000000
#define N_  (1 << 20) /* N_ = pow2(ceil(log2(N))) */
unsigned int Z = 12345;
int rand_() {
  return (Z *= 3) >> 1;
}
int st[N_ * 2], n_;
void build(int n) {
  int i;
  n_ = 1;
  while (n_ < n)
    n_ <<= 1;
  for (i = 0; i < n_; i++)
    st[n_ + i] = i < n ? 1 : 0;
  for (i = n_ - 1; i > 0; i--)
    st[i] = st[i << 1 | 0] + st[i << 1 | 1];
}
void update(int i, int x) {
  for (i += n_; i > 0; i >>= 1)
    st[i] += x;
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.c: In function 'main':
Main.c:127:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  127 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:129:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  129 |   scanf("%d%d", &ii[h], &aa_[h]), ii[h]--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 80 / 80