답안 #576895

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
576895	2022-06-13T17:51:52 Z	cheissmart	Let's Win the Election (JOI22_ho_t3)	C++14	66 / 100	2500 ms	580 KB

Main

#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

string _reset = "\u001b[0m", _yellow = "\u001b[33m", _bold = "\u001b[1m";
void DBG() { cerr << "]" << _reset << endl; }
template<class H, class...T> void DBG(H h, T ...t) {
	cerr << to_string(h);
	if(sizeof ...(t)) cerr << ", ";
	DBG(t...);
}
#ifdef CHEISSMART
#define debug(...) cerr << _yellow << _bold << "Line(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define debug(...)
#endif

const int INF = 1e9 + 7;

signed main()
{
	IO_OP;

	int n, k;
	cin >> n >> k;
	V<pi> a(n);
	for(int i = 0; i < n; i++) {
		cin >> a[i].S >> a[i].F;
		if(a[i].F == -1) a[i].F = INF;
	}
	sort(ALL(a));

	auto solve = [&] (int be) {
		// b: 1, 1/2, 1/3..., 1/be 
		// a: 1/(be + 1)
		V<double> dp(be + 1, INF);
		dp[0] = 0;

		auto go = [&] (int he) {
			double ans = dp[be];
			vi aux;
			for(int i = he; i < n; i++)
				aux.PB(a[i].S);
			sort(ALL(aux));
			for(int i = 0; i < k - he; i++)
				ans += 1. * aux[i] / (be + 1);
			return ans;
		};

		double ans = INF;
		ans = min(ans, go(0));
		for(int i = 0; i < k; i++) {
			V<double> ndp(be + 1, INF);
			for(int j = 0; j <= be; j++) if(dp[j] != INF) {
				// a
				ndp[j] = min(ndp[j], dp[j] + 1. * a[i].S / (be + 1));

				// b
				if(j + 1 <= be)
					ndp[j + 1] = min(ndp[j + 1], dp[j] + 1. * a[i].F / (j + 1));
			}
			swap(dp, ndp);
			ans = min(ans, go(i + 1));
		}

		return ans;
	};

	double ans = INF;
	for(int be = 0; be <= k; be++)
		ans = min(ans, solve(be));
	cout << fixed << setprecision(10) << ans << '\n';
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	14 ms	316 KB	Output is correct
6	Correct	83 ms	368 KB	Output is correct
7	Correct	291 ms	320 KB	Output is correct
8	Correct	619 ms	332 KB	Output is correct
9	Correct	1032 ms	448 KB	Output is correct
10	Correct	468 ms	388 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	14 ms	316 KB	Output is correct
6	Correct	83 ms	368 KB	Output is correct
7	Correct	291 ms	320 KB	Output is correct
8	Correct	619 ms	332 KB	Output is correct
9	Correct	1032 ms	448 KB	Output is correct
10	Correct	468 ms	388 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	131 ms	504 KB	Output is correct
13	Correct	242 ms	472 KB	Output is correct
14	Correct	193 ms	332 KB	Output is correct
15	Correct	586 ms	452 KB	Output is correct
16	Correct	991 ms	448 KB	Output is correct
17	Correct	925 ms	376 KB	Output is correct
18	Correct	1166 ms	444 KB	Output is correct
19	Correct	1796 ms	500 KB	Output is correct
20	Correct	1344 ms	508 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	316 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	316 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	316 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	316 KB	Output is correct
24	Correct	1 ms	316 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	316 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	320 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	316 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	316 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	316 KB	Output is correct
24	Correct	1 ms	316 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	316 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	320 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	2 ms	316 KB	Output is correct
42	Correct	2 ms	320 KB	Output is correct
43	Correct	4 ms	212 KB	Output is correct
44	Correct	3 ms	212 KB	Output is correct
45	Correct	6 ms	212 KB	Output is correct
46	Correct	6 ms	212 KB	Output is correct
47	Correct	8 ms	340 KB	Output is correct
48	Correct	10 ms	328 KB	Output is correct
49	Correct	12 ms	348 KB	Output is correct
50	Correct	11 ms	332 KB	Output is correct
51	Correct	16 ms	344 KB	Output is correct
52	Correct	17 ms	364 KB	Output is correct
53	Correct	9 ms	212 KB	Output is correct
54	Correct	9 ms	212 KB	Output is correct
55	Correct	9 ms	316 KB	Output is correct
56	Correct	8 ms	340 KB	Output is correct
57	Correct	10 ms	340 KB	Output is correct
58	Correct	8 ms	340 KB	Output is correct
59	Correct	6 ms	320 KB	Output is correct
60	Correct	8 ms	340 KB	Output is correct

Subtask #6
0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	2566 ms	580 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	14 ms	316 KB	Output is correct
6	Correct	83 ms	368 KB	Output is correct
7	Correct	291 ms	320 KB	Output is correct
8	Correct	619 ms	332 KB	Output is correct
9	Correct	1032 ms	448 KB	Output is correct
10	Correct	468 ms	388 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	131 ms	504 KB	Output is correct
13	Correct	242 ms	472 KB	Output is correct
14	Correct	193 ms	332 KB	Output is correct
15	Correct	586 ms	452 KB	Output is correct
16	Correct	991 ms	448 KB	Output is correct
17	Correct	925 ms	376 KB	Output is correct
18	Correct	1166 ms	444 KB	Output is correct
19	Correct	1796 ms	500 KB	Output is correct
20	Correct	1344 ms	508 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 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	1 ms	340 KB	Output is correct
41	Correct	1 ms	316 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	316 KB	Output is correct
44	Correct	1 ms	316 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	1 ms	316 KB	Output is correct
53	Correct	1 ms	316 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	320 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	2 ms	316 KB	Output is correct
62	Correct	2 ms	320 KB	Output is correct
63	Correct	4 ms	212 KB	Output is correct
64	Correct	3 ms	212 KB	Output is correct
65	Correct	6 ms	212 KB	Output is correct
66	Correct	6 ms	212 KB	Output is correct
67	Correct	8 ms	340 KB	Output is correct
68	Correct	10 ms	328 KB	Output is correct
69	Correct	12 ms	348 KB	Output is correct
70	Correct	11 ms	332 KB	Output is correct
71	Correct	16 ms	344 KB	Output is correct
72	Correct	17 ms	364 KB	Output is correct
73	Correct	9 ms	212 KB	Output is correct
74	Correct	9 ms	212 KB	Output is correct
75	Correct	9 ms	316 KB	Output is correct
76	Correct	8 ms	340 KB	Output is correct
77	Correct	10 ms	340 KB	Output is correct
78	Correct	8 ms	340 KB	Output is correct
79	Correct	6 ms	320 KB	Output is correct
80	Correct	8 ms	340 KB	Output is correct
81	Execution timed out	2566 ms	580 KB	Time limit exceeded
82	Halted	0 ms	0 KB	-

답안 #576895

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0