Submission #1050850

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1050850	2024-08-09 15:29:41	rainboy	Tricks of the Trade (CEOI23_trade)	C11	100 / 100	1644 ms	110256 KiB

trade

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#include <stdio.h>
#include <string.h>
 
#define N 250000
#define LN  18  /* LN = ceil(log2(N)) */
#define N_  (N * (LN + 1) + 1)
#define INF 0x3f3f3f3f3f3f3f3fLL
 
int min(int a, int b) { return a < b ? a : b; }
long long max(long long a, long long b) { return a > b ? a : b; }
 
unsigned int Z = 12345;
 
int rand_() {
  return (Z *= 3) >> 1;
}
 
long long xx[N + 1]; int yy[N], yy_[N], n, m, k;
 
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;
 
    while (j < k)
      if (yy[ii[j]] == yy[i_])
        j++;
      else if (yy[ii[j]] < yy[i_]) {
        tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
        i++, j++;
      } else {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

trade.c: In function 'main':
trade.c:133:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  133 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
trade.c:135:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  135 |   scanf("%lld", &xx[i]), xx[i] += xx[i - 1];
      |   ^~~~~~~~~~~~~~~~~~~~~
trade.c:137:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  137 |   scanf("%d", &yy[i]);
      |   ^~~~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 45 / 45