(cache)提出 #78167777 - AtCoder Beginner Contest 466

コンテスト時間: 2026-07-11(土) 21:00 ~ 2026-07-11(土) 22:40 (100分) AtCoderホームへ戻る

提出 #78167777

ソースコード拡げる

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#include <stdio.h>
int main(void) {
  int N;
  int start = 1, end;
  int ans = 0;
  if (scanf("%d", &N) != 1) return 1;
  for (end = 2; end <= N; end++) {
    while (start < end) {
      char res[16];
      printf("? %d %d\n", start, end);
      fflush(stdout);
      if (scanf("%15s", res) != 1) return 1;
      if (*res == 'Y') break;
      start++;
    }
    ans += end - start;
  }
  printf("! %d\n", ans);
  fflush(stdout);
  return 0;
 
 
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#include <stdio.h>

int main(void) {
	int N;
	int start = 1, end;
	int ans = 0;
	if (scanf("%d", &N) != 1) return 1;
	for (end = 2; end <= N; end++) {
		while (start < end) {
			char res[16];
			printf("? %d %d\n", start, end);
			fflush(stdout);
			if (scanf("%15s", res) != 1) return 1;
			if (*res == 'Y') break;
			start++;
		}
		ans += end - start;
	}
	printf("! %d\n", ans);
	fflush(stdout);
	return 0;
}

提出情報

提出日時	2026-08-07 19:35:09
問題	C - Count Close Pairs
ユーザ	mikecat
言語	C23 (GCC 14.2.0)
得点	300
コード長	433 Byte
結果	AC
実行時間	8 ms
メモリ	3640 KiB

ジャッジ結果

セット名

Sample

All

得点 / 配点

0 / 0

300 / 300

結果

× 1

× 32

セット名	テストケース
Sample	example_00.txt
All	example_00.txt, hand_00.txt, hand_01.txt, hand_02.txt, hand_03.txt, hand_04.txt, hand_05.txt, hand_06.txt, random_00.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_16.txt, random_17.txt, random_18.txt, random_19.txt, random_20.txt, random_21.txt, random_22.txt, random_23.txt

ケース名	結果	実行時間	メモリ
example_00.txt	AC	3 ms	3560 KiB
hand_00.txt	AC	5 ms	3604 KiB
hand_01.txt	AC	8 ms	3428 KiB
hand_02.txt	AC	5 ms	3508 KiB
hand_03.txt	AC	2 ms	3428 KiB
hand_04.txt	AC	2 ms	3580 KiB
hand_05.txt	AC	8 ms	3544 KiB
hand_06.txt	AC	8 ms	3556 KiB
random_00.txt	AC	2 ms	3464 KiB
random_01.txt	AC	6 ms	3640 KiB
random_02.txt	AC	7 ms	3544 KiB
random_03.txt	AC	2 ms	3564 KiB
random_04.txt	AC	8 ms	3640 KiB
random_05.txt	AC	8 ms	3496 KiB
random_06.txt	AC	2 ms	3484 KiB
random_07.txt	AC	8 ms	3568 KiB
random_08.txt	AC	8 ms	3496 KiB
random_09.txt	AC	2 ms	3640 KiB
random_10.txt	AC	7 ms	3624 KiB
random_11.txt	AC	8 ms	3544 KiB
random_12.txt	AC	2 ms	3568 KiB
random_13.txt	AC	7 ms	3564 KiB
random_14.txt	AC	7 ms	3544 KiB
random_15.txt	AC	2 ms	3544 KiB
random_16.txt	AC	8 ms	3604 KiB
random_17.txt	AC	8 ms	3564 KiB
random_18.txt	AC	2 ms	3484 KiB
random_19.txt	AC	8 ms	3508 KiB
random_20.txt	AC	8 ms	3568 KiB
random_21.txt	AC	2 ms	3604 KiB
random_22.txt	AC	8 ms	3496 KiB
random_23.txt	AC	7 ms	3568 KiB