Submission #20231769

Source Code Expand

#include <atcoder/all>
using namespace atcoder;
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = 3.14159265359;
const ll INF = 1LL << 60;

int main()
{
  ll a, b;
  cin >> a >> b;

  unordered_map<ll, int> m;
  for (ll x = b + 1; x <= a; x++){
    ll y = x;
    for (ll i = 2; i*i <= x; i++){
      while (y % i == 0){
	m[i]++;
	y /= i;
      }
    }
    if (y > 1) m[y]++;
  }

  const ll MOD = 1000000007;
  ll ans = 1;
  for (auto it = m.begin(); it != m.end(); it++){
    ans *= it->second + 1;
    ans %= MOD;
  }
  cout << ans << endl;
  return 0;
}

Submission Info

Submission Time
Task C - 約数かつ倍数
User unnohideyuki
Language C++ (GCC 9.2.1)
Score 100
Code Size 627 Byte
Status AC
Exec Time 39 ms
Memory 3672 KiB

Judge Result

Set Name Sample Subtask1 Subtask2 Subtask3
Score / Max Score 0 / 0 5 / 5 35 / 35 60 / 60
Status
AC × 4
AC × 17
AC × 33
AC × 49
Set Name Test Cases
Sample subtask0_sample_01.txt, subtask0_sample_02.txt, subtask0_sample_03.txt, subtask0_sample_04.txt
Subtask1 subtask0_sample_01.txt, subtask0_sample_02.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
Subtask2 subtask0_sample_01.txt, subtask0_sample_02.txt, subtask0_sample_03.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, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt, subtask2_21.txt, subtask2_22.txt, subtask2_23.txt, subtask2_24.txt, subtask2_25.txt, subtask2_26.txt, subtask2_27.txt, subtask2_28.txt, subtask2_29.txt, subtask2_30.txt
Subtask3 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, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt, subtask2_21.txt, subtask2_22.txt, subtask2_23.txt, subtask2_24.txt, subtask2_25.txt, subtask2_26.txt, subtask2_27.txt, subtask2_28.txt, subtask2_29.txt, subtask2_30.txt, subtask3_31.txt, subtask3_32.txt, subtask3_33.txt, subtask3_34.txt, subtask3_35.txt, subtask3_36.txt, subtask3_37.txt, subtask3_38.txt, subtask3_39.txt, subtask3_40.txt, subtask3_41.txt, subtask3_42.txt, subtask3_43.txt, subtask3_44.txt, subtask3_45.txt
Case Name Status Exec Time Memory
subtask0_sample_01.txt AC 5 ms 3580 KiB
subtask0_sample_02.txt AC 2 ms 3440 KiB
subtask0_sample_03.txt AC 6 ms 3508 KiB
subtask0_sample_04.txt AC 36 ms 3660 KiB
subtask1_01.txt AC 5 ms 3624 KiB
subtask1_02.txt AC 2 ms 3508 KiB
subtask1_03.txt AC 3 ms 3504 KiB
subtask1_04.txt AC 1 ms 3572 KiB
subtask1_05.txt AC 2 ms 3440 KiB
subtask1_06.txt AC 2 ms 3500 KiB
subtask1_07.txt AC 2 ms 3508 KiB
subtask1_08.txt AC 2 ms 3436 KiB
subtask1_09.txt AC 2 ms 3444 KiB
subtask1_10.txt AC 3 ms 3528 KiB
subtask1_11.txt AC 3 ms 3624 KiB
subtask1_12.txt AC 3 ms 3624 KiB
subtask1_13.txt AC 2 ms 3504 KiB
subtask1_14.txt AC 3 ms 3532 KiB
subtask1_15.txt AC 2 ms 3624 KiB
subtask2_16.txt AC 3 ms 3448 KiB
subtask2_17.txt AC 2 ms 3528 KiB
subtask2_18.txt AC 2 ms 3652 KiB
subtask2_19.txt AC 2 ms 3504 KiB
subtask2_20.txt AC 2 ms 3536 KiB
subtask2_21.txt AC 2 ms 3504 KiB
subtask2_22.txt AC 2 ms 3540 KiB
subtask2_23.txt AC 2 ms 3628 KiB
subtask2_24.txt AC 2 ms 3448 KiB
subtask2_25.txt AC 3 ms 3672 KiB
subtask2_26.txt AC 2 ms 3656 KiB
subtask2_27.txt AC 4 ms 3456 KiB
subtask2_28.txt AC 2 ms 3532 KiB
subtask2_29.txt AC 3 ms 3636 KiB
subtask2_30.txt AC 2 ms 3532 KiB
subtask3_31.txt AC 39 ms 3540 KiB
subtask3_32.txt AC 7 ms 3648 KiB
subtask3_33.txt AC 7 ms 3508 KiB
subtask3_34.txt AC 2 ms 3628 KiB
subtask3_35.txt AC 7 ms 3652 KiB
subtask3_36.txt AC 3 ms 3628 KiB
subtask3_37.txt AC 12 ms 3512 KiB
subtask3_38.txt AC 9 ms 3448 KiB
subtask3_39.txt AC 17 ms 3584 KiB
subtask3_40.txt AC 8 ms 3508 KiB
subtask3_41.txt AC 33 ms 3636 KiB
subtask3_42.txt AC 29 ms 3580 KiB
subtask3_43.txt AC 26 ms 3600 KiB
subtask3_44.txt AC 22 ms 3448 KiB
subtask3_45.txt AC 36 ms 3452 KiB