Submission #875895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
875895	2023-11-20 17:34:35	rainboy	Potatoes and fertilizers (LMIO19_bulves)	C11	100 / 100	289 ms	30548 KiB

bulves

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#include <stdio.h>
#define N 500000
long long min(long long a, long long b) { return a < b ? a : b; }
long long xx[(N + 1) * 2]; int iq[2][(N + 1) * 2 + 1], pq[2][(N + 1) * 2], cnt[2], mode;
int lt(int i, int j) {
  return mode == 0 ? xx[i] > xx[j] : xx[i] < xx[j];
}
int p2(int p) {
  return (p *= 2) > cnt[mode] ? 0 : (p < cnt[mode] && lt(iq[mode][p + 1], iq[mode][p]) ? p + 1 : p);
}
void pq_up(int i) {
  int p, q, j;
  for (p = pq[mode][i]; (q = p / 2) && lt(i, j = iq[mode][q]); p = q)
    iq[mode][pq[mode][j] = p] = j;
  iq[mode][pq[mode][i] = p] = i;
}
void pq_dn(int i) {
  int p, q, j;
  for (p = pq[mode][i]; (q = p2(p)) && lt(j = iq[mode][q], i); p = q)
    iq[mode][pq[mode][j] = p] = j;
  iq[mode][pq[mode][i] = p] = i;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bulves.c: In function 'main':
bulves.c:57:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
bulves.c:64:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |   scanf("%d%d", &a, &b);
      |   ^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 24 / 24
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 10 / 10
• Subtask 5: 36 / 36