Submission #742188

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
742188	2023-05-15 18:02:12	rainboy	Separator (CEOI19_separator)	C11	100 / 100	242 ms	25824 KiB

separator

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#include <stdio.h>
#define N 1000000
#define MD  1000000000
int main() {
  static int aa[N], qu[N];
  static char ismax[N];
  int n, cnt, i, a_, k;
  scanf("%d", &n);
  a_ = -1, k = 0, cnt = 0;
  for (i = 0; i < n; i++) {
    scanf("%d", &aa[i]), aa[i] = (aa[i] + k) % MD;
    if (a_ < aa[i])
      a_ = aa[i], ismax[i] = 1, k++;
    while (cnt && aa[qu[cnt - 1]] >= aa[i])
      if (ismax[qu[--cnt]])
        k--;
    qu[cnt++] = i;
    printf("%d\n", k);
  }
  return 0;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

separator.c: In function 'main':
separator.c:11:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
separator.c:14:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%d", &aa[i]), aa[i] = (aa[i] + k) % MD;
      |   ^~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40
• Subtask 4: 10 / 10