제출 #380320

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
380320	2021-03-21 02:03:30	rainboy	무지개나라 (APIO17_rainbow)	C11	100 / 100	1594 ms	143340 KiB

rainbow

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#include "rainbow.h"
#include <stdlib.h>
#define N 200000
#define L 100000
#define N_  (1 << 18) /* N_ = pow2(ceil(log2(N))) */
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
void sort(int *aa, int l, int r) {
  while (l < r) {
    int i = l, j = l, k = r, a = aa[l + rand_() % (r - l)], tmp;
    while (j < k)
      if (aa[j] == a)
        j++;
      else if (aa[j] < a) {
        tmp = aa[i], aa[i] = aa[j], aa[j] = tmp;
        i++, j++;
      } else {
        k--;
        tmp = aa[j], aa[j] = aa[k], aa[k] = tmp;
      }
 
 
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