Submission #823946

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
823946	2023-08-13 10:34:49	rainboy	Triangle Collection (CCO23_day2problem3)	C11	25 / 25	192 ms	16680 KiB

Main

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#include <stdio.h>
#define N 200000
#define N_  (1 << 18) /* N_ = pow2(ceil(log2(N))) */
long long min(long long a, long long b) { return a < b ? a : b; }
long long ss[N_ * 2], qq[N_ * 2]; int n_;
void pul(int i) {
  int l = i << 1, r = l | 1;
  ss[i] = ss[l] + ss[r];
  qq[i] = min(qq[l] + ss[r], qq[r]);
}
void build(int *aa, int n) {
  int i;
  n_ = 1;
  while (n_ < n)
    n_ <<= 1;
  for (i = 0; i < n; i++) {
    ss[n_ + i] += aa[i] / 2;
    if (aa[i] % 2 != 0)
      ss[n_ + (i + 1) / 2]--;
  }
  for (i = 0; i < n_; i++)
    qq[n_ + i] = min(ss[n_ + i], 0);
  for (i = n_ - 1; i > 0; i--)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.c: In function 'main':
Main.c:46:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |  scanf("%d%d", &n, &q);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:49:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~
Main.c:54:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |   scanf("%d%d", &i, &d), i--;
      |   ^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5