Submission #944503

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
944503	2024-03-12 20:07:35	rainboy	입력숫자 (KOI13_mystery)	C11	100 / 100	1 ms	748 KiB

mystery

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#include <stdio.h>
#include <string.h>
#define N 30
int n;
int ds[N], rr[N]; char marked[N];
int find(int i) {
  return ds[i] < 0 ? i : (ds[i] = find(ds[i]));
}
void join(int i, int j) {
  i = find(i);
  j = find(j);
  if (i == j)
    return;
  if (ds[i] > ds[j])
    ds[i] = j;
  else {
    if (ds[i] == ds[j])
      ds[i]--;
    ds[j] = i, rr[i] = rr[j];
  }
}
int next(int i) {
  return !marked[i] ? i : (rr[find(i)] + 1) % n;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

mystery.c: In function 'main':
mystery.c:44:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
mystery.c:51:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 21 / 21
• Subtask 3: 29 / 29
• Subtask 4: 35 / 35