제출 #728028

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
728028	2023-04-21 20:23:43	rainboy	Computer Network (BOI14_network)	C++17	100 / 100	109 ms	7984 KiB

network

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#include "network.h"
#define N 1000
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int ii[N], dd[N];
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 (dd[ii[j]] == dd[i_])
        j++;
      else if (dd[ii[j]] < dd[i_]) {
        tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
        i++, j++;
      } else {
        k--;
        tmp = ii[j], ii[j] = ii[k], ii[k] = tmp;
      }
    sort(ii, l, i);
    l = k;
  }
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:48:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     scanf ("%d%d%d%d", &N, &a, &b, &M);
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
grader.c:51:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |             scanf("%d", &distance[u][v]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25