Submission #5018404


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
LL n, a, x, m;
LL step, ans;
int main() {
    scanf("%lld%lld", &n, &a);
    m = n;
    x = 1;
    while (m > 0 && a + 1 < m) {
        double best = -1;
        LL beststep = -1;
        for (step = 2; step < n - a; step++) {
            if (m - (step + a + (1.0*n) / (step * x)) < best)
                break;
            best = m - (step + a + (1.0*n) / (step * x));
            beststep = step;
            //cout << "step -> " << step << endl;
            //cout << "best -> " << best << endl;
        }
        if(beststep < 0) break;
        step = beststep;
        ans += a + step;
        x = step * x;
        m = (n + x - 1) / x;
        //cout << "final step:" << step << ' ' << x << endl;
    }
    cout << ans + m << endl;
    return 0;
}

Submission Info

Submission Time
Task E - Cookies
User vjudge2
Language C++14 (GCC 5.4.1)
Score 0
Code Size 822 Byte
Status WA
Exec Time 6 ms
Memory 384 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld", &n, &a);
                              ^

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 500 0 / 500
Status
AC × 2
WA × 1
AC × 6
WA × 21
AC × 12
WA × 60
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, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
01-01.txt WA 1 ms 256 KB
01-02.txt WA 1 ms 256 KB
01-03.txt WA 1 ms 256 KB
01-04.txt WA 1 ms 256 KB
01-05.txt WA 1 ms 256 KB
01-06.txt WA 1 ms 256 KB
01-07.txt WA 1 ms 256 KB
01-08.txt WA 1 ms 256 KB
01-09.txt WA 1 ms 256 KB
01-10.txt WA 1 ms 256 KB
01-11.txt WA 1 ms 256 KB
01-12.txt WA 1 ms 256 KB
01-13.txt AC 1 ms 256 KB
01-14.txt WA 1 ms 256 KB
01-15.txt WA 1 ms 256 KB
01-16.txt WA 1 ms 256 KB
01-17.txt WA 1 ms 256 KB
01-18.txt AC 1 ms 256 KB
01-19.txt WA 1 ms 256 KB
01-20.txt AC 1 ms 256 KB
01-21.txt AC 1 ms 256 KB
01-22.txt AC 1 ms 256 KB
01-23.txt WA 1 ms 256 KB
01-24.txt WA 1 ms 256 KB
01-25.txt WA 1 ms 256 KB
01-26.txt WA 1 ms 256 KB
02-01.txt AC 1 ms 256 KB
02-02.txt WA 6 ms 256 KB
02-03.txt WA 6 ms 256 KB
02-04.txt WA 6 ms 256 KB
02-05.txt WA 6 ms 256 KB
02-06.txt WA 6 ms 256 KB
02-07.txt WA 6 ms 256 KB
02-08.txt WA 6 ms 256 KB
02-09.txt WA 6 ms 256 KB
02-10.txt WA 6 ms 256 KB
02-11.txt WA 6 ms 256 KB
02-12.txt WA 6 ms 256 KB
02-13.txt WA 6 ms 256 KB
02-14.txt WA 6 ms 256 KB
02-15.txt WA 6 ms 256 KB
02-16.txt WA 6 ms 256 KB
02-17.txt WA 6 ms 256 KB
02-18.txt WA 6 ms 256 KB
02-19.txt WA 6 ms 256 KB
02-20.txt WA 6 ms 256 KB
02-21.txt WA 6 ms 256 KB
02-22.txt WA 6 ms 256 KB
02-23.txt WA 1 ms 256 KB
02-24.txt AC 1 ms 256 KB
02-25.txt WA 1 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 5 ms 256 KB
02-30.txt WA 4 ms 256 KB
02-31.txt WA 5 ms 256 KB
02-32.txt WA 3 ms 256 KB
02-33.txt WA 6 ms 256 KB
02-34.txt WA 4 ms 256 KB
02-35.txt WA 6 ms 256 KB
02-36.txt WA 6 ms 256 KB
02-37.txt WA 5 ms 384 KB
02-38.txt WA 6 ms 256 KB
02-39.txt WA 6 ms 256 KB
02-40.txt AC 6 ms 256 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 1 ms 256 KB
sample-03.txt WA 1 ms 256 KB