Submission #3732775
Source Code Expand
#include <bits/stdc++.h> typedef long long ll; using namespace std; int main() { const ll INF = 1e18; ll N, K; cin >> N >> K; vector<ll> a(N + 1, 0); vector<ll> d(N + 1, 0); for (int i = 1; i <= N; ++i) { cin >> a[i]; d[i] = d[i - 1] + a[i]; } if (d[N] == K) { cout << 1 << endl; return 0; } vector<vector<ll>> dp(N + 1, vector<ll>(N + 1, INF)); dp[0][0] = 0; dp[1][0] = 0; dp[1][1] = 1; for (int i = 1; i < N; ++i) { for (int j = 0; j <= i; ++j) { if (dp[i][j] == INF) { continue; } dp[i + 1][j] = min(dp[i + 1][j], dp[i][j]); ll high = 1e10; ll low = 0; int loop = 0; while (loop++ < 50) { ll mid = (high + low) / 2; if (dp[i][j] * d[i + 1] < (dp[i][j] + mid) * d[i]) { high = mid; } else { low = mid; } } dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + high); } } ll res = 0; for (int i = 0; i <= N; ++i) { if (dp[N][i] <= K) { res = i; } } cout << res << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 高橋君ゲーム |
User | woodline23xx |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1033 Byte |
Status | AC |
Exec Time | 397 ms |
Memory | 31616 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 397 ms | 31616 KB |
02.txt | AC | 396 ms | 31616 KB |
03.txt | AC | 396 ms | 31616 KB |
04.txt | AC | 396 ms | 31488 KB |
05.txt | AC | 395 ms | 31488 KB |
06.txt | AC | 395 ms | 31488 KB |
07.txt | AC | 397 ms | 31616 KB |
08.txt | AC | 397 ms | 31616 KB |
09.txt | AC | 397 ms | 31616 KB |
10.txt | AC | 396 ms | 31616 KB |
11.txt | AC | 396 ms | 31488 KB |
12.txt | AC | 395 ms | 31488 KB |
13.txt | AC | 395 ms | 31488 KB |
14.txt | AC | 397 ms | 31616 KB |
15.txt | AC | 397 ms | 31616 KB |
16.txt | AC | 397 ms | 31616 KB |
17.txt | AC | 396 ms | 31616 KB |
18.txt | AC | 396 ms | 31488 KB |
19.txt | AC | 395 ms | 31488 KB |
20.txt | AC | 395 ms | 31488 KB |
21.txt | AC | 2 ms | 256 KB |
22.txt | AC | 2 ms | 256 KB |
23.txt | AC | 396 ms | 31616 KB |
24.txt | AC | 396 ms | 31616 KB |
25.txt | AC | 2 ms | 256 KB |
26.txt | AC | 2 ms | 256 KB |
27.txt | AC | 2 ms | 256 KB |
28.txt | AC | 2 ms | 256 KB |
29.txt | AC | 397 ms | 31616 KB |
30.txt | AC | 396 ms | 31616 KB |
31.txt | AC | 396 ms | 31616 KB |
32.txt | AC | 396 ms | 31488 KB |
33.txt | AC | 395 ms | 31488 KB |
34.txt | AC | 395 ms | 31488 KB |
35.txt | AC | 397 ms | 31616 KB |
36.txt | AC | 397 ms | 31616 KB |
37.txt | AC | 397 ms | 31616 KB |
38.txt | AC | 396 ms | 31616 KB |
39.txt | AC | 395 ms | 31488 KB |
40.txt | AC | 395 ms | 31488 KB |
41.txt | AC | 395 ms | 31488 KB |
42.txt | AC | 397 ms | 31616 KB |
43.txt | AC | 397 ms | 31616 KB |
44.txt | AC | 396 ms | 31616 KB |
45.txt | AC | 396 ms | 31616 KB |
46.txt | AC | 396 ms | 31488 KB |
47.txt | AC | 395 ms | 31488 KB |
48.txt | AC | 395 ms | 31488 KB |
49.txt | AC | 397 ms | 31616 KB |
50.txt | AC | 397 ms | 31616 KB |
51.txt | AC | 1 ms | 256 KB |
52.txt | AC | 1 ms | 256 KB |
53.txt | AC | 1 ms | 256 KB |
54.txt | AC | 1 ms | 256 KB |
55.txt | AC | 1 ms | 256 KB |
56.txt | AC | 1 ms | 256 KB |
57.txt | AC | 1 ms | 256 KB |
58.txt | AC | 1 ms | 256 KB |
59.txt | AC | 1 ms | 256 KB |
60.txt | AC | 1 ms | 256 KB |
61.txt | AC | 1 ms | 256 KB |
62.txt | AC | 1 ms | 256 KB |
63.txt | AC | 1 ms | 256 KB |
64.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |
s4.txt | AC | 1 ms | 256 KB |