Submission #993770


Source Code Expand

#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <climits>

#define int long long
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(a) (a).begin(), (a).end()
#define PB push_back
#define MP make_pair
#define FST first
#define SND second
#define SZ(a) (signed)((a).size())
#define EACH(i, c) for (typeof((c).begin()) i = (c).begin(); i != (c).end(); ++i)
#define EXIST(s, e) ((s).find(e) != (s).end())
#define SORT(c) sort((c).begin(), (c).end())

using namespace std;

typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;

const int MOD = 1000000007;

#define dump(x) cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")"  << " " << __FILE__ << endl;

signed main(void) {
    ios::sync_with_stdio(false);
    cout.setf(ios::fixed, ios::floatfield);
    cout.precision(10);
    cin.tie(0);
    int n, a;
    cin >> n >> a;

    if (n <= 1000000 && a <= 1000000) {
        int tmp = 1, add = 1, ans = n;
        FOR(i, 2, ans) {
            tmp += add;
            if (ans > i + a + (n - 1) / tmp + 1) {
                ans = i + a + (n - 1) / tmp + 1;
                add = tmp;
                i += a + 1;
            }
        }

        cout << ans << endl;
    } else {
        cout << 0 << endl;
    }


    return 0;
}

Submission Info

Submission Time
Task E - Cookies
User NSTomoS
Language C++11 (GCC 4.8.1)
Score 0
Code Size 1731 Byte
Status WA
Exec Time 13 ms
Memory 256 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 500 0 / 500
Status
AC × 1
WA × 2
AC × 10
WA × 17
AC × 10
WA × 59
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 WA 3 ms 256 KB
01-02.txt WA 2 ms 256 KB
01-03.txt WA 2 ms 256 KB
01-04.txt WA 2 ms 256 KB
01-05.txt WA 2 ms 256 KB
01-06.txt WA 2 ms 256 KB
01-07.txt WA 2 ms 256 KB
01-08.txt WA 2 ms 256 KB
01-09.txt WA 2 ms 256 KB
01-10.txt WA 2 ms 256 KB
01-11.txt WA 2 ms 256 KB
01-12.txt AC 2 ms 256 KB
01-13.txt AC 13 ms 256 KB
01-14.txt WA 2 ms 256 KB
01-15.txt WA 2 ms 256 KB
01-16.txt WA 2 ms 256 KB
01-17.txt WA 2 ms 256 KB
01-18.txt WA 2 ms 256 KB
01-19.txt WA 2 ms 256 KB
01-20.txt AC 2 ms 256 KB
01-21.txt AC 2 ms 256 KB
01-22.txt AC 2 ms 256 KB
01-23.txt AC 2 ms 256 KB
01-24.txt AC 2 ms 256 KB
01-25.txt AC 2 ms 256 KB
01-26.txt AC 2 ms 256 KB
02-01.txt WA 2 ms 256 KB
02-02.txt WA 2 ms 256 KB
02-03.txt WA 2 ms 256 KB
02-04.txt WA 2 ms 256 KB
02-05.txt WA 2 ms 256 KB
02-06.txt WA 2 ms 256 KB
02-07.txt WA 2 ms 256 KB
02-08.txt WA 2 ms 256 KB
02-09.txt WA 2 ms 256 KB
02-10.txt WA 2 ms 256 KB
02-11.txt WA 2 ms 256 KB
02-12.txt WA 2 ms 256 KB
02-13.txt WA 2 ms 256 KB
02-14.txt WA 2 ms 256 KB
02-15.txt WA 2 ms 256 KB
02-16.txt WA 2 ms 256 KB
02-17.txt WA 2 ms 256 KB
02-18.txt WA 2 ms 256 KB
02-19.txt WA 2 ms 256 KB
02-20.txt WA 2 ms 256 KB
02-21.txt WA 2 ms 256 KB
02-22.txt WA 2 ms 256 KB
02-23.txt WA 2 ms 256 KB
02-24.txt WA 2 ms 256 KB
02-25.txt WA 2 ms 256 KB
02-26.txt WA 2 ms 256 KB
02-27.txt WA 2 ms 256 KB
02-28.txt WA 2 ms 256 KB
02-29.txt WA 2 ms 256 KB
02-30.txt WA 2 ms 256 KB
02-31.txt WA 2 ms 256 KB
02-32.txt WA 2 ms 256 KB
02-33.txt WA 2 ms 256 KB
02-34.txt WA 2 ms 256 KB
02-35.txt WA 2 ms 256 KB
02-36.txt WA 2 ms 256 KB
02-37.txt WA 2 ms 256 KB
02-38.txt WA 2 ms 256 KB
02-39.txt WA 2 ms 256 KB
02-40.txt WA 2 ms 256 KB
sample-01.txt AC 2 ms 256 KB
sample-02.txt WA 2 ms 256 KB
sample-03.txt WA 2 ms 256 KB