Submission #992685


Source Code Expand

#include <bits/stdc++.h>

using namespace std;

typedef long double ld;
typedef long long ll;

const int M = 3e6;

ll n, A;
ll ans;

ll up(ll x, ll y) {
  return (x + y - 1) / y;
}

void read() {
  cin >> n >> A;
  ans = n;
}

void uin(ll &x, ll y) {
  x = min(x, y);
}

void kill() {
  for (int m = 1; m <= 45; ++m) {
    ll p = 1;
    ll sum = m;
    ll a = 1;

    while (true) {
      uin(ans, m * A + sum + up(n, p));
      if (p >= n)
        break;

      if (a >= M)
        break;


      sum++;
      p /= a;
      p *= a + 1;
      if (sum % m == 0)
        ++a;
    } 

  }

  cout << ans << endl;
}

int main() {
#ifdef LOCAL
  assert(freopen("e.in", "r", stdin));
#endif

  ios_base::sync_with_stdio(false);

  read();
  kill();

}

Submission Info

Submission Time
Task E - Cookies
User Arterm
Language C++14 (GCC 5.4.1)
Score 1000
Code Size 811 Byte
Status AC
Exec Time 145 ms
Memory 384 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 500 / 500 500 / 500
Status
AC × 3
AC × 27
AC × 69
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt
Case Name Status Exec Time Memory
01-01.txt AC 31 ms 256 KB
01-02.txt AC 31 ms 256 KB
01-03.txt AC 31 ms 256 KB
01-04.txt AC 31 ms 256 KB
01-05.txt AC 31 ms 256 KB
01-06.txt AC 31 ms 256 KB
01-07.txt AC 31 ms 256 KB
01-08.txt AC 31 ms 256 KB
01-09.txt AC 31 ms 256 KB
01-10.txt AC 31 ms 256 KB
01-11.txt AC 31 ms 256 KB
01-12.txt AC 31 ms 256 KB
01-13.txt AC 31 ms 256 KB
01-14.txt AC 4 ms 256 KB
01-15.txt AC 17 ms 256 KB
01-16.txt AC 17 ms 256 KB
01-17.txt AC 31 ms 256 KB
01-18.txt AC 3 ms 256 KB
01-19.txt AC 3 ms 256 KB
01-20.txt AC 3 ms 256 KB
01-21.txt AC 3 ms 256 KB
01-22.txt AC 3 ms 256 KB
01-23.txt AC 3 ms 256 KB
01-24.txt AC 3 ms 256 KB
01-25.txt AC 3 ms 256 KB
01-26.txt AC 3 ms 256 KB
02-01.txt AC 3 ms 256 KB
02-02.txt AC 144 ms 256 KB
02-03.txt AC 144 ms 256 KB
02-04.txt AC 144 ms 256 KB
02-05.txt AC 144 ms 256 KB
02-06.txt AC 144 ms 256 KB
02-07.txt AC 144 ms 256 KB
02-08.txt AC 144 ms 256 KB
02-09.txt AC 144 ms 256 KB
02-10.txt AC 144 ms 384 KB
02-11.txt AC 144 ms 256 KB
02-12.txt AC 144 ms 256 KB
02-13.txt AC 144 ms 256 KB
02-14.txt AC 144 ms 256 KB
02-15.txt AC 144 ms 256 KB
02-16.txt AC 144 ms 256 KB
02-17.txt AC 144 ms 256 KB
02-18.txt AC 144 ms 256 KB
02-19.txt AC 144 ms 256 KB
02-20.txt AC 144 ms 256 KB
02-21.txt AC 144 ms 256 KB
02-22.txt AC 144 ms 256 KB
02-23.txt AC 145 ms 256 KB
02-24.txt AC 144 ms 256 KB
02-25.txt AC 88 ms 256 KB
02-26.txt AC 102 ms 256 KB
02-27.txt AC 102 ms 256 KB
02-28.txt AC 102 ms 256 KB
02-29.txt AC 137 ms 256 KB
02-30.txt AC 123 ms 256 KB
02-31.txt AC 131 ms 256 KB
02-32.txt AC 105 ms 256 KB
02-33.txt AC 143 ms 256 KB
02-34.txt AC 127 ms 256 KB
02-35.txt AC 143 ms 256 KB
02-36.txt AC 140 ms 256 KB
02-37.txt AC 131 ms 256 KB
02-38.txt AC 144 ms 256 KB
02-39.txt AC 145 ms 256 KB
02-40.txt AC 144 ms 256 KB
sample-01.txt AC 3 ms 256 KB
sample-02.txt AC 144 ms 256 KB
sample-03.txt AC 6 ms 256 KB