Submission #5538777
Source Code Expand
#include <bits/stdc++.h> using namespace std; using lint = long long; template<class T = int> using V = vector<T>; template<class T = int> using VV = V< V<T> >; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); lint n, a; cin >> n >> a; if (a < 2e6) { V<lint> dp; for (int x = 0; ; ++x) { dp.push_back(x); if (x > a) { int ng = a - 1, ok = x - 1; while (ok - ng > 1) { int m = ng + ok >> 1; (dp[m - a] * (x - m) >= dp[m + 1 - a] * (x - m - 1) ? ok : ng) = m; } dp[x] = max(dp[x], dp[ok - a] * (x - ok)); } if (dp[x] >= n) { cout << x << '\n'; return 0; } } } lint res = n; for (lint x = sqrt(n) - 2; x <= sqrt(n) + 2; ++x) { res = min(res, x + a + (n + x - 1) / x); } cout << res << '\n'; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | risujiroh |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 863 Byte |
Status | RE |
Exec Time | 266 ms |
Memory | 35172 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | 0 / 500 | ||||||||||||
Status |
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Set Name | Test Cases |
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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 | AC | 1 ms | 256 KB |
01-02.txt | WA | 1 ms | 256 KB |
01-03.txt | AC | 1 ms | 256 KB |
01-04.txt | AC | 1 ms | 256 KB |
01-05.txt | WA | 1 ms | 256 KB |
01-06.txt | AC | 1 ms | 256 KB |
01-07.txt | WA | 1 ms | 256 KB |
01-08.txt | WA | 1 ms | 256 KB |
01-09.txt | AC | 1 ms | 256 KB |
01-10.txt | WA | 1 ms | 256 KB |
01-11.txt | AC | 1 ms | 256 KB |
01-12.txt | AC | 8 ms | 9836 KB |
01-13.txt | AC | 8 ms | 10476 KB |
01-14.txt | AC | 1 ms | 256 KB |
01-15.txt | AC | 1 ms | 256 KB |
01-16.txt | WA | 1 ms | 256 KB |
01-17.txt | AC | 1 ms | 256 KB |
01-18.txt | AC | 1 ms | 256 KB |
01-19.txt | AC | 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 | AC | 1 ms | 256 KB |
01-24.txt | AC | 1 ms | 256 KB |
01-25.txt | AC | 1 ms | 256 KB |
01-26.txt | AC | 1 ms | 256 KB |
02-01.txt | RE | 96 ms | 256 KB |
02-02.txt | AC | 1 ms | 256 KB |
02-03.txt | WA | 1 ms | 256 KB |
02-04.txt | AC | 1 ms | 256 KB |
02-05.txt | WA | 1 ms | 256 KB |
02-06.txt | WA | 1 ms | 256 KB |
02-07.txt | WA | 1 ms | 256 KB |
02-08.txt | WA | 1 ms | 256 KB |
02-09.txt | WA | 1 ms | 256 KB |
02-10.txt | WA | 1 ms | 256 KB |
02-11.txt | WA | 1 ms | 256 KB |
02-12.txt | WA | 1 ms | 256 KB |
02-13.txt | WA | 1 ms | 256 KB |
02-14.txt | WA | 1 ms | 256 KB |
02-15.txt | AC | 1 ms | 256 KB |
02-16.txt | AC | 1 ms | 256 KB |
02-17.txt | AC | 1 ms | 256 KB |
02-18.txt | WA | 1 ms | 256 KB |
02-19.txt | AC | 1 ms | 384 KB |
02-20.txt | AC | 2 ms | 512 KB |
02-21.txt | WA | 7 ms | 1400 KB |
02-22.txt | AC | 266 ms | 35172 KB |
02-23.txt | AC | 1 ms | 256 KB |
02-24.txt | AC | 1 ms | 256 KB |
02-25.txt | WA | 1 ms | 256 KB |
02-26.txt | AC | 1 ms | 256 KB |
02-27.txt | WA | 1 ms | 256 KB |
02-28.txt | AC | 1 ms | 256 KB |
02-29.txt | AC | 1 ms | 256 KB |
02-30.txt | WA | 1 ms | 256 KB |
02-31.txt | AC | 1 ms | 256 KB |
02-32.txt | WA | 1 ms | 256 KB |
02-33.txt | WA | 1 ms | 256 KB |
02-34.txt | WA | 1 ms | 256 KB |
02-35.txt | WA | 1 ms | 256 KB |
02-36.txt | WA | 1 ms | 256 KB |
02-37.txt | WA | 1 ms | 384 KB |
02-38.txt | AC | 2 ms | 640 KB |
02-39.txt | WA | 142 ms | 18152 KB |
02-40.txt | AC | 1 ms | 256 KB |
sample-01.txt | AC | 1 ms | 256 KB |
sample-02.txt | AC | 1 ms | 256 KB |
sample-03.txt | AC | 1 ms | 256 KB |