답안 #843982

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
843982	2023-09-04T19:23:43 Z	vjudge1	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	375 ms	848 KB

Main

#include <bits/stdc++.h>
#include <fstream>
using namespace std;
template<class A, class B>
ostream& operator<<(ostream& o, const pair<A, B>& p) {return o << '(' << p.first << ", " << p.second << ')';}
template<size_t Index = 0, typename... Types>
ostream& printTupleElements(ostream& o, const tuple<Types...>& t) {if constexpr (Index < sizeof...(Types)){if(Index > 0){o << ", ";}o << get<Index>(t);printTupleElements<Index + 1>(o, t);}return o;}
template<typename... Types>
ostream& operator<<(ostream& o, const tuple<Types...>& t){o << "(";printTupleElements(o, t);return o << ")";}
template<class T>
auto operator<<(ostream& o, const T& x) -> decltype(x.end(), o){o << '{';bool first = true;for (const auto& e : x){if (!first){o << ", ";}o << e;first = false;} return o << '}';}
#define DEBUG
#ifdef DEBUG
#define fastio()
#define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n'
#define check(x) if (!(x)) { cerr << "Check failed: " << #x << " in line " << __LINE__ << endl; exit(1); }
#else
#define fastio() ios_base::sync_with_stdio(0); cin.tie(0);
#define debug(...)
#define check(x) 
#endif
typedef long long ll;
typedef long double ld;
#define pi pair<int, int>
#define pl pair<ll, ll>
#define st first
#define nd second
#define vi vector<int>
#define vll vector<ll>
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
vector<pair<ld, ld> >prz;
int n, k;
ld cntdp(int x) {
	vector<ld>dp(k - x + 1, 1e9);
	dp[0] = 0;
	for(int i = 0; i < sz(prz); i++) {
		for(int j = min(i + 1, k - x); j >= 0; j--) {
			ld popdp = dp[j];
			if(j > 0) {
				dp[j] = dp[j - 1] + prz[i].nd / (ld)(x + 1);
			}
			else {
				dp[j] = 1e9;
			}
			if(0 < (i + 1) - j && (i + 1) - j <= x) {
				dp[j] = min(dp[j], popdp + prz[i].st / (ld)((i + 1) - j));
			}
			else {
				dp[j] = min(dp[j], popdp);
			}
		}
	}
	return dp[k - x];
}
void solve() {
	//ifstream cin("nazwa.in");
	//ofstream cout("nazwa.out");
	cin >> n >> k;
	for(int i = 1; i <= n; i++) {
		int a, b;
		cin >> a >> b;
		if(b == -1) {
			b = 1e9;
		}
		prz.eb(b, a);
	}
	sort(all(prz));
	ld ans = 1e9;
	for(int i = 0; i <= k; i++) {
		ans = min(ans, cntdp(i));
	}
	cout.precision(9);
	cout << fixed << ans << '\n';
}
int main() {
	fastio();
	int t;
	//cin >> t;
	t = 1;	
	while(t--) {
		solve();
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	6 ms	344 KB	Output is correct
6	Correct	30 ms	344 KB	Output is correct
7	Correct	108 ms	348 KB	Output is correct
8	Correct	221 ms	504 KB	Output is correct
9	Correct	369 ms	448 KB	Output is correct
10	Correct	201 ms	444 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	6 ms	344 KB	Output is correct
6	Correct	30 ms	344 KB	Output is correct
7	Correct	108 ms	348 KB	Output is correct
8	Correct	221 ms	504 KB	Output is correct
9	Correct	369 ms	448 KB	Output is correct
10	Correct	201 ms	444 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	43 ms	344 KB	Output is correct
13	Correct	41 ms	344 KB	Output is correct
14	Correct	42 ms	440 KB	Output is correct
15	Correct	194 ms	444 KB	Output is correct
16	Correct	205 ms	592 KB	Output is correct
17	Correct	194 ms	436 KB	Output is correct
18	Correct	360 ms	344 KB	Output is correct
19	Correct	367 ms	440 KB	Output is correct
20	Correct	359 ms	344 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	756 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	756 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	756 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	0 ms	600 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	344 KB	Output is correct
37	Correct	0 ms	344 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	344 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	756 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	756 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	0 ms	600 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	344 KB	Output is correct
37	Correct	0 ms	344 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	344 KB	Output is correct
41	Correct	1 ms	344 KB	Output is correct
42	Correct	1 ms	344 KB	Output is correct
43	Correct	1 ms	344 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	344 KB	Output is correct
47	Correct	2 ms	344 KB	Output is correct
48	Correct	2 ms	344 KB	Output is correct
49	Correct	2 ms	344 KB	Output is correct
50	Correct	3 ms	344 KB	Output is correct
51	Correct	3 ms	344 KB	Output is correct
52	Correct	3 ms	344 KB	Output is correct
53	Correct	2 ms	344 KB	Output is correct
54	Correct	2 ms	344 KB	Output is correct
55	Correct	2 ms	348 KB	Output is correct
56	Correct	2 ms	360 KB	Output is correct
57	Correct	2 ms	348 KB	Output is correct
58	Correct	2 ms	344 KB	Output is correct
59	Correct	2 ms	344 KB	Output is correct
60	Correct	2 ms	344 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	360 ms	440 KB	Output is correct
2	Correct	375 ms	436 KB	Output is correct
3	Correct	356 ms	344 KB	Output is correct
4	Correct	358 ms	344 KB	Output is correct
5	Correct	359 ms	592 KB	Output is correct
6	Correct	359 ms	436 KB	Output is correct
7	Correct	356 ms	344 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	6 ms	344 KB	Output is correct
6	Correct	30 ms	344 KB	Output is correct
7	Correct	108 ms	348 KB	Output is correct
8	Correct	221 ms	504 KB	Output is correct
9	Correct	369 ms	448 KB	Output is correct
10	Correct	201 ms	444 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	43 ms	344 KB	Output is correct
13	Correct	41 ms	344 KB	Output is correct
14	Correct	42 ms	440 KB	Output is correct
15	Correct	194 ms	444 KB	Output is correct
16	Correct	205 ms	592 KB	Output is correct
17	Correct	194 ms	436 KB	Output is correct
18	Correct	360 ms	344 KB	Output is correct
19	Correct	367 ms	440 KB	Output is correct
20	Correct	359 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	344 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	0 ms	756 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	344 KB	Output is correct
37	Correct	0 ms	344 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	0 ms	344 KB	Output is correct
40	Correct	0 ms	344 KB	Output is correct
41	Correct	1 ms	344 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	0 ms	756 KB	Output is correct
44	Correct	0 ms	344 KB	Output is correct
45	Correct	1 ms	344 KB	Output is correct
46	Correct	0 ms	344 KB	Output is correct
47	Correct	0 ms	600 KB	Output is correct
48	Correct	0 ms	344 KB	Output is correct
49	Correct	0 ms	344 KB	Output is correct
50	Correct	0 ms	344 KB	Output is correct
51	Correct	0 ms	344 KB	Output is correct
52	Correct	0 ms	344 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	344 KB	Output is correct
55	Correct	0 ms	344 KB	Output is correct
56	Correct	0 ms	344 KB	Output is correct
57	Correct	0 ms	344 KB	Output is correct
58	Correct	0 ms	344 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	344 KB	Output is correct
61	Correct	1 ms	344 KB	Output is correct
62	Correct	1 ms	344 KB	Output is correct
63	Correct	1 ms	344 KB	Output is correct
64	Correct	1 ms	344 KB	Output is correct
65	Correct	1 ms	348 KB	Output is correct
66	Correct	1 ms	344 KB	Output is correct
67	Correct	2 ms	344 KB	Output is correct
68	Correct	2 ms	344 KB	Output is correct
69	Correct	2 ms	344 KB	Output is correct
70	Correct	3 ms	344 KB	Output is correct
71	Correct	3 ms	344 KB	Output is correct
72	Correct	3 ms	344 KB	Output is correct
73	Correct	2 ms	344 KB	Output is correct
74	Correct	2 ms	344 KB	Output is correct
75	Correct	2 ms	348 KB	Output is correct
76	Correct	2 ms	360 KB	Output is correct
77	Correct	2 ms	348 KB	Output is correct
78	Correct	2 ms	344 KB	Output is correct
79	Correct	2 ms	344 KB	Output is correct
80	Correct	2 ms	344 KB	Output is correct
81	Correct	360 ms	440 KB	Output is correct
82	Correct	375 ms	436 KB	Output is correct
83	Correct	356 ms	344 KB	Output is correct
84	Correct	358 ms	344 KB	Output is correct
85	Correct	359 ms	592 KB	Output is correct
86	Correct	359 ms	436 KB	Output is correct
87	Correct	356 ms	344 KB	Output is correct
88	Correct	6 ms	344 KB	Output is correct
89	Correct	5 ms	348 KB	Output is correct
90	Correct	29 ms	344 KB	Output is correct
91	Correct	29 ms	344 KB	Output is correct
92	Correct	110 ms	440 KB	Output is correct
93	Correct	108 ms	436 KB	Output is correct
94	Correct	221 ms	440 KB	Output is correct
95	Correct	221 ms	344 KB	Output is correct
96	Correct	305 ms	444 KB	Output is correct
97	Correct	303 ms	344 KB	Output is correct
98	Correct	201 ms	592 KB	Output is correct
99	Correct	200 ms	344 KB	Output is correct
100	Correct	205 ms	848 KB	Output is correct
101	Correct	197 ms	444 KB	Output is correct
102	Correct	200 ms	436 KB	Output is correct
103	Correct	220 ms	344 KB	Output is correct
104	Correct	195 ms	436 KB	Output is correct
105	Correct	204 ms	444 KB	Output is correct

답안 #843982

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 11.0 / 11.0

Subtask #7 23.0 / 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
11.0 / 11.0

Subtask #7
23.0 / 23.0