AtCoder Beginner Contest 032

Submission #6908239

Source codeソースコード

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rep2(i, s, e) for (int i = (s); i < (int)(e); ++i)
using namespace std;
using ll = long long;

int main() {
  ll N, K;
  cin >> N >> K;
  vector<ll> s(N);

  rep (i, N) {
    cin >> s[i];
  }
  if (find(s.begin(), s.end(), 0) != s.end()) {
    cout << s.size() << endl;
    return 0;
  }

  ll l = 0;
  ll r = 0;
  ll p = 1;
  ll ans = 0;
  while (r < N) {
    while (r < N && p * s[r] <= K) {
      p *= s[r];
      r += 1;
    }
    ans = max(ans, r - l);
    do {
      p /= s[l];
      l += 1;
    } while (l < r && p > K);
    r = max(l, r);
    p = max(p, 1LL);
  }
  cout << ans << endl;
}

Submission

Task問題 C - 列
User nameユーザ名 やらてょん
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 721 Byte
File nameファイル名
Exec time実行時間 45 ms
Memory usageメモリ使用量 1024 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - subtask0_sample_01.txt,subtask0_sample_02.txt,subtask0_sample_03.txt,subtask0_sample_04.txt
Subtask1 20 / 20 subtask0_sample_01.txt,subtask0_sample_02.txt,subtask0_sample_03.txt,subtask0_sample_04.txt,subtask1_01.txt,subtask1_02.txt,subtask1_03.txt,subtask1_04.txt,subtask1_05.txt,subtask1_06.txt,subtask1_07.txt,subtask1_08.txt,subtask1_09.txt,subtask1_10.txt,subtask1_11.txt,subtask1_12.txt,subtask1_13.txt,subtask1_14.txt,subtask1_15.txt,subtask1_16.txt,subtask1_17.txt,subtask1_corner.txt,subtask1_killer1.txt,subtask1_killer2.txt,subtask1_killer3.txt,subtask1_killer4.txt,subtask1_killer5.txt
Subtask2 80 / 80 subtask0_sample_01.txt,subtask0_sample_02.txt,subtask0_sample_03.txt,subtask0_sample_04.txt,subtask1_01.txt,subtask1_02.txt,subtask1_03.txt,subtask1_04.txt,subtask1_05.txt,subtask1_06.txt,subtask1_07.txt,subtask1_08.txt,subtask1_09.txt,subtask1_10.txt,subtask1_11.txt,subtask1_12.txt,subtask1_13.txt,subtask1_14.txt,subtask1_15.txt,subtask1_16.txt,subtask1_17.txt,subtask1_corner.txt,subtask1_killer1.txt,subtask1_killer2.txt,subtask1_killer3.txt,subtask1_killer4.txt,subtask1_killer5.txt,subtask2_01.txt,subtask2_02.txt,subtask2_03.txt,subtask2_04.txt,subtask2_05.txt,subtask2_06.txt,subtask2_07.txt,subtask2_08.txt,subtask2_09.txt,subtask2_10.txt,subtask2_11.txt,subtask2_12.txt,subtask2_13.txt,subtask2_14.txt,subtask2_15.txt,subtask2_16.txt,subtask2_17.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
subtask0_sample_01.txt AC 2 ms 256 KB
subtask0_sample_02.txt AC 2 ms 256 KB
subtask0_sample_03.txt AC 2 ms 256 KB
subtask0_sample_04.txt AC 2 ms 256 KB
subtask1_01.txt AC 2 ms 256 KB
subtask1_02.txt AC 2 ms 256 KB
subtask1_03.txt AC 2 ms 256 KB
subtask1_04.txt AC 2 ms 256 KB
subtask1_05.txt AC 2 ms 256 KB
subtask1_06.txt AC 2 ms 256 KB
subtask1_07.txt AC 2 ms 256 KB
subtask1_08.txt AC 2 ms 256 KB
subtask1_09.txt AC 2 ms 256 KB
subtask1_10.txt AC 2 ms 256 KB
subtask1_11.txt AC 2 ms 256 KB
subtask1_12.txt AC 2 ms 256 KB
subtask1_13.txt AC 2 ms 256 KB
subtask1_14.txt AC 2 ms 256 KB
subtask1_15.txt AC 2 ms 256 KB
subtask1_16.txt AC 2 ms 256 KB
subtask1_17.txt AC 2 ms 256 KB
subtask1_corner.txt AC 2 ms 256 KB
subtask1_killer1.txt AC 1 ms 256 KB
subtask1_killer2.txt AC 2 ms 256 KB
subtask1_killer3.txt AC 1 ms 256 KB
subtask1_killer4.txt AC 2 ms 256 KB
subtask1_killer5.txt AC 2 ms 256 KB
subtask2_01.txt AC 19 ms 1024 KB
subtask2_02.txt AC 17 ms 1024 KB
subtask2_03.txt AC 42 ms 1024 KB
subtask2_04.txt AC 19 ms 1024 KB
subtask2_05.txt AC 42 ms 1024 KB
subtask2_06.txt AC 42 ms 1024 KB
subtask2_07.txt AC 19 ms 1024 KB
subtask2_08.txt AC 19 ms 1024 KB
subtask2_09.txt AC 19 ms 1024 KB
subtask2_10.txt AC 19 ms 1024 KB
subtask2_11.txt AC 19 ms 1024 KB
subtask2_12.txt AC 24 ms 1024 KB
subtask2_13.txt AC 24 ms 1024 KB
subtask2_14.txt AC 24 ms 1024 KB
subtask2_15.txt AC 45 ms 1024 KB
subtask2_16.txt AC 18 ms 1024 KB
subtask2_17.txt AC 18 ms 1024 KB