Submission #993543


Source Code Expand

#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif

#include <bits/stdc++.h>

using namespace std;

mt19937 mrand(random_device{} ()); 

int rnd(int x) {
  return mrand() % x;
}

typedef long double ld;
typedef long long ll;

#ifdef DEBUG
#define eprintf(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#else
#define eprintf(...) ;
#endif

#define pb push_back
#define mp make_pair
#define sz(x) ((int) (x).size())
#define TASK "text"

const int inf = (int) 1.01e9;
const ld eps = 1e-9;
const ld pi = acos((ld) -1.0);

void precalc() {
}

long long n, a;

int read() {
  if (scanf("%lld%lld", &n, &a) < 2) {
    return 0;
  }
  return 1;
}

const int K = (int) 5e6;
long long price[K];

const long long infll = (long long) 1e18;

void solve() {
  for (int i = 1; i < K; ++i) {
    price[i] = infll;
  }
  price[1] = 0;

  long long res = infll;
  for (int i = 1; i < K; ++i) {
    res = min(res, (n + i - 1) / i + price[i]);

    long long cur = price[i] + a;
    for (int j = i;; j += i) {
      cur += 1;
      if (j >= K) {
        j = K - 1;
      }
      price[j] = min(price[j], cur);
      if (j == K - 1) {
        break;
      }
    }
  }
  printf("%lld\n", res);
}

int main() {
  precalc();
#ifdef LOCAL
  freopen(TASK ".out", "w", stdout);
  assert(freopen(TASK ".in", "r", stdin));
#endif

  while (1) {
    if (!read()) {
      break;
    }
    solve();
#ifdef DEBUG
    eprintf("Time %.2f\n", (double) clock() / CLOCKS_PER_SEC);
#endif
  }
  return 0;
}

Submission Info

Submission Time
Task E - Cookies
User XraY
Language C++14 (GCC 5.4.1)
Score 500
Code Size 1555 Byte
Status WA
Exec Time 738 ms
Memory 39424 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 500 / 500 0 / 500
Status
AC × 3
AC × 27
AC × 34
WA × 35
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 692 ms 39296 KB
01-02.txt AC 717 ms 39296 KB
01-03.txt AC 699 ms 39296 KB
01-04.txt AC 697 ms 39296 KB
01-05.txt AC 693 ms 39296 KB
01-06.txt AC 694 ms 39296 KB
01-07.txt AC 686 ms 39296 KB
01-08.txt AC 691 ms 39296 KB
01-09.txt AC 697 ms 39296 KB
01-10.txt AC 690 ms 39296 KB
01-11.txt AC 704 ms 39296 KB
01-12.txt AC 695 ms 39296 KB
01-13.txt AC 701 ms 39296 KB
01-14.txt AC 693 ms 39296 KB
01-15.txt AC 691 ms 39296 KB
01-16.txt AC 692 ms 39296 KB
01-17.txt AC 690 ms 39296 KB
01-18.txt AC 689 ms 39296 KB
01-19.txt AC 686 ms 39296 KB
01-20.txt AC 687 ms 39296 KB
01-21.txt AC 695 ms 39296 KB
01-22.txt AC 689 ms 39424 KB
01-23.txt AC 687 ms 39296 KB
01-24.txt AC 691 ms 39296 KB
01-25.txt AC 696 ms 39296 KB
01-26.txt AC 688 ms 39296 KB
02-01.txt AC 689 ms 39296 KB
02-02.txt WA 692 ms 39296 KB
02-03.txt WA 693 ms 39296 KB
02-04.txt WA 696 ms 39296 KB
02-05.txt WA 691 ms 39296 KB
02-06.txt WA 690 ms 39296 KB
02-07.txt WA 689 ms 39296 KB
02-08.txt WA 689 ms 39296 KB
02-09.txt WA 686 ms 39296 KB
02-10.txt WA 691 ms 39296 KB
02-11.txt WA 688 ms 39296 KB
02-12.txt WA 699 ms 39296 KB
02-13.txt WA 688 ms 39296 KB
02-14.txt WA 690 ms 39296 KB
02-15.txt WA 688 ms 39296 KB
02-16.txt WA 689 ms 39296 KB
02-17.txt WA 689 ms 39424 KB
02-18.txt WA 690 ms 39296 KB
02-19.txt WA 690 ms 39296 KB
02-20.txt WA 695 ms 39296 KB
02-21.txt WA 693 ms 39296 KB
02-22.txt AC 687 ms 39296 KB
02-23.txt AC 699 ms 39296 KB
02-24.txt AC 738 ms 39296 KB
02-25.txt WA 703 ms 39296 KB
02-26.txt WA 693 ms 39296 KB
02-27.txt WA 690 ms 39296 KB
02-28.txt WA 710 ms 39296 KB
02-29.txt WA 692 ms 39296 KB
02-30.txt WA 693 ms 39296 KB
02-31.txt WA 692 ms 39296 KB
02-32.txt WA 690 ms 39296 KB
02-33.txt WA 691 ms 39296 KB
02-34.txt WA 690 ms 39296 KB
02-35.txt WA 693 ms 39296 KB
02-36.txt WA 696 ms 39296 KB
02-37.txt WA 706 ms 39296 KB
02-38.txt WA 689 ms 39296 KB
02-39.txt WA 689 ms 39296 KB
02-40.txt AC 690 ms 39296 KB
sample-01.txt AC 691 ms 39296 KB
sample-02.txt AC 689 ms 39296 KB
sample-03.txt AC 691 ms 39296 KB