답안 #815413

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
815413	2023-08-08T14:51:37 Z	Mirali7	Feast (NOI19_feast)	C++17	100 / 100	153 ms	10596 KB

feast

#include <iostream>
#include <string>
#include <deque>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <fstream>
#include <stack>
#include <cmath>
#include <bitset>
#include <unordered_set>
#include <unordered_map>
#include <random>
#include <array>
#include <chrono>
#include <functional>
#include <numeric>
#include <complex>
using namespace std;

#define ll long long
#define ld long double
#define ull uint64_t
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fst first
#define snd second

#define forn(i, n) for (int i = 1; i <= n; i++)
#define dforn(i, a, b) for (int i = a; i <= b; i++) 
#define rforn(i, n) for (int i = n; i >= 1; i--)
#define rdforn(i, a, b) for (int i = b; i >= a; i--)
#define sforn(i, a, b, s) for (ll i = a; i <= b; i += s)
#define aforn(v, a) for (auto& v : a)

const int mod = 998244353;
const ld pi = acos(-1);
const ll N = 1e6;
const ll inf = 1e17;
const int iinf = 1 << 30;
const ld dinf = 1e10;
const double eps = 1e-10;

void solve() {
	ll n, k;
	cin >> n >> k;
	vector<ll> a(n + 1);
	forn(i, n) {
		cin >> a[i];
	}
	auto calc = [&](ll lambda) {
		vector<ll> dp(n + 1), cnt(n + 1);
		ll best = 0, bcnt = 1;
		forn(i, n) {
			dp[i] = dp[i - 1];
			cnt[i] = cnt[i - 1];
			best += a[i];
			if (best - lambda > dp[i]) {
				dp[i] = best - lambda;
				cnt[i] = bcnt;
			}
			if (dp[i] > best) {
				best = dp[i];
				bcnt = cnt[i] + 1;
			}
		}
		return make_pair(dp[n], cnt[n]);
	};
	ll l = -1, r = 1e13;
	while (r - l > 1) {
		ll m = (l + r) >> 1;
		pll f = calc(m);
		if (f.snd <= k) {
			r = m;
		}
		else {
			l = m;
		}
	}
	pll cur = calc(r);
	ll ans = cur.fst + k * r;
	cout << ans << '\n';
}

int main()
{
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int t = 1;
	//cin >> t;
	while (t--) solve();
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	10112 KB	Output is correct
2	Correct	92 ms	10424 KB	Output is correct
3	Correct	90 ms	10348 KB	Output is correct
4	Correct	90 ms	10296 KB	Output is correct
5	Correct	87 ms	10304 KB	Output is correct
6	Correct	89 ms	10060 KB	Output is correct
7	Correct	89 ms	10120 KB	Output is correct
8	Correct	87 ms	10240 KB	Output is correct
9	Correct	88 ms	10088 KB	Output is correct
10	Correct	88 ms	10364 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	87 ms	8420 KB	Output is correct
2	Correct	96 ms	8756 KB	Output is correct
3	Correct	100 ms	8528 KB	Output is correct
4	Correct	84 ms	8468 KB	Output is correct
5	Correct	88 ms	10140 KB	Output is correct
6	Correct	87 ms	8452 KB	Output is correct
7	Correct	87 ms	8700 KB	Output is correct
8	Correct	92 ms	10424 KB	Output is correct
9	Correct	88 ms	10044 KB	Output is correct
10	Correct	84 ms	8628 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	113 ms	10452 KB	Output is correct
2	Correct	130 ms	10348 KB	Output is correct
3	Correct	112 ms	10408 KB	Output is correct
4	Correct	110 ms	10312 KB	Output is correct
5	Correct	116 ms	10412 KB	Output is correct
6	Correct	126 ms	10424 KB	Output is correct
7	Correct	117 ms	10552 KB	Output is correct
8	Correct	121 ms	10412 KB	Output is correct
9	Correct	115 ms	10596 KB	Output is correct
10	Correct	116 ms	10516 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	320 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	320 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	320 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	320 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	324 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	320 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	320 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	324 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	356 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	468 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	328 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	10112 KB	Output is correct
2	Correct	92 ms	10424 KB	Output is correct
3	Correct	90 ms	10348 KB	Output is correct
4	Correct	90 ms	10296 KB	Output is correct
5	Correct	87 ms	10304 KB	Output is correct
6	Correct	89 ms	10060 KB	Output is correct
7	Correct	89 ms	10120 KB	Output is correct
8	Correct	87 ms	10240 KB	Output is correct
9	Correct	88 ms	10088 KB	Output is correct
10	Correct	88 ms	10364 KB	Output is correct
11	Correct	87 ms	8420 KB	Output is correct
12	Correct	96 ms	8756 KB	Output is correct
13	Correct	100 ms	8528 KB	Output is correct
14	Correct	84 ms	8468 KB	Output is correct
15	Correct	88 ms	10140 KB	Output is correct
16	Correct	87 ms	8452 KB	Output is correct
17	Correct	87 ms	8700 KB	Output is correct
18	Correct	92 ms	10424 KB	Output is correct
19	Correct	88 ms	10044 KB	Output is correct
20	Correct	84 ms	8628 KB	Output is correct
21	Correct	113 ms	10452 KB	Output is correct
22	Correct	130 ms	10348 KB	Output is correct
23	Correct	112 ms	10408 KB	Output is correct
24	Correct	110 ms	10312 KB	Output is correct
25	Correct	116 ms	10412 KB	Output is correct
26	Correct	126 ms	10424 KB	Output is correct
27	Correct	117 ms	10552 KB	Output is correct
28	Correct	121 ms	10412 KB	Output is correct
29	Correct	115 ms	10596 KB	Output is correct
30	Correct	116 ms	10516 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	320 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	320 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	324 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	356 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	468 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	328 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	146 ms	10248 KB	Output is correct
62	Correct	144 ms	10496 KB	Output is correct
63	Correct	131 ms	10232 KB	Output is correct
64	Correct	142 ms	10440 KB	Output is correct
65	Correct	150 ms	10420 KB	Output is correct
66	Correct	141 ms	10400 KB	Output is correct
67	Correct	153 ms	10284 KB	Output is correct
68	Correct	113 ms	10472 KB	Output is correct
69	Correct	110 ms	10316 KB	Output is correct
70	Correct	109 ms	10248 KB	Output is correct

답안 #815413

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 18.0 / 18.0

Subtask #4 10.0 / 10.0

Subtask #5 11.0 / 11.0

Subtask #6 20.0 / 20.0

Subtask #7 29.0 / 29.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
18.0 / 18.0

Subtask #4
10.0 / 10.0

Subtask #5
11.0 / 11.0

Subtask #6
20.0 / 20.0

Subtask #7
29.0 / 29.0