답안 #1019238

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1019238	2024-07-10T16:04:40 Z	Nurislam	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	1881 ms	4444 KB

Main

#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 
using namespace __gnu_pbds; 
  
#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>  
#define int long long
#define double long double
const int N = 1e6+5, inf = 1e9, mod = 1e9+7;
template <class F, class _S>
bool chmin(F &u, const _S &v){
	bool flag = false;
	if ( u > v ){
		u = v; flag |= true;
	}
	return flag;
}

template <class F, class _S>
bool chmax(F &u, const _S &v){
	bool flag = false;
	if ( u < v ){
		u = v; flag |= true;
	}
	return flag;
}
double dp[505][505];
void solve(){
	int n, k;cin >> n >> k;
	vector<pair<int,int> > v;
	for(int i = 0; i < n; i++){
		int a, b;
		cin >> a >> b;
		if(b == -1)b = inf;
		v.pb({b, a});
	}
	sort(all(v));
	vector<int> a(n+1), b(n+1);
	for(int i = 1; i <= n; i++){
		b[i] = v[i-1].ff;
		a[i] = v[i-1].ss;
	}
	vector<int> _a;
	for(int i = 1; i <= n; i++)_a.pb(a[i]);
	sort(all(_a));
	double ans = 0;
	for(int i = 0; i < k; i++)ans+=_a[i];
	for(int m = 1; m <= k; m++){
		for(int i = 0; i <= n; i++)
			for(int j = 0; j <= n; j++)dp[i][j] = inf;
		dp[0][0] = 0;
		for(int i = 1; i <= k; i++){
			for(int j = 0; j <= min(i, m); j++){
				if(j && b[i] < inf)chmin(dp[i][j], dp[i-1][j-1] + (double)b[i]/(double)(j));
				chmin(dp[i][j], dp[i-1][j] + (double)a[i]/(double)(m+1));
				if(j==m){
                    vector<int> v;
                    for(int q = i+1;q <= n; q++)v.pb(a[q]);
                    sort(all(v));
 
                    int sum = 0;
                    for(int q = 0; q < k-i; q++)sum += v[q];
                    chmin(ans, dp[i][j] + (double)sum / (double)(m+1));
                }
			}
		}
	}
	cout << fixed << setprecision(15) << ans << '\n';
}
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	int tt = 1;
	//cin >> tt;
	while(tt--){
		solve();
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	76 ms	4440 KB	Output is correct
6	Correct	235 ms	4440 KB	Output is correct
7	Correct	536 ms	4440 KB	Output is correct
8	Correct	812 ms	4440 KB	Output is correct
9	Correct	1192 ms	4440 KB	Output is correct
10	Correct	704 ms	4444 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	76 ms	4440 KB	Output is correct
6	Correct	235 ms	4440 KB	Output is correct
7	Correct	536 ms	4440 KB	Output is correct
8	Correct	812 ms	4440 KB	Output is correct
9	Correct	1192 ms	4440 KB	Output is correct
10	Correct	704 ms	4444 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	260 ms	4424 KB	Output is correct
13	Correct	297 ms	4444 KB	Output is correct
14	Correct	283 ms	4444 KB	Output is correct
15	Correct	811 ms	4444 KB	Output is correct
16	Correct	961 ms	4444 KB	Output is correct
17	Correct	779 ms	4444 KB	Output is correct
18	Correct	1457 ms	4444 KB	Output is correct
19	Correct	1404 ms	4444 KB	Output is correct
20	Correct	1201 ms	4432 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	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	1 ms	464 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	464 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	1 ms	464 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	464 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	2 ms	2392 KB	Output is correct
42	Correct	2 ms	972 KB	Output is correct
43	Correct	4 ms	2508 KB	Output is correct
44	Correct	3 ms	2396 KB	Output is correct
45	Correct	6 ms	900 KB	Output is correct
46	Correct	6 ms	2396 KB	Output is correct
47	Correct	7 ms	2396 KB	Output is correct
48	Correct	8 ms	2652 KB	Output is correct
49	Correct	9 ms	856 KB	Output is correct
50	Correct	11 ms	2396 KB	Output is correct
51	Correct	12 ms	1040 KB	Output is correct
52	Correct	16 ms	2396 KB	Output is correct
53	Correct	7 ms	2396 KB	Output is correct
54	Correct	7 ms	2392 KB	Output is correct
55	Correct	9 ms	2396 KB	Output is correct
56	Correct	7 ms	860 KB	Output is correct
57	Correct	8 ms	2644 KB	Output is correct
58	Correct	6 ms	860 KB	Output is correct
59	Correct	7 ms	2648 KB	Output is correct
60	Correct	7 ms	2644 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1880 ms	4440 KB	Output is correct
2	Correct	1728 ms	4444 KB	Output is correct
3	Correct	1876 ms	4252 KB	Output is correct
4	Correct	1881 ms	4444 KB	Output is correct
5	Correct	1848 ms	4444 KB	Output is correct
6	Correct	1855 ms	4444 KB	Output is correct
7	Correct	1716 ms	4424 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	76 ms	4440 KB	Output is correct
6	Correct	235 ms	4440 KB	Output is correct
7	Correct	536 ms	4440 KB	Output is correct
8	Correct	812 ms	4440 KB	Output is correct
9	Correct	1192 ms	4440 KB	Output is correct
10	Correct	704 ms	4444 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	260 ms	4424 KB	Output is correct
13	Correct	297 ms	4444 KB	Output is correct
14	Correct	283 ms	4444 KB	Output is correct
15	Correct	811 ms	4444 KB	Output is correct
16	Correct	961 ms	4444 KB	Output is correct
17	Correct	779 ms	4444 KB	Output is correct
18	Correct	1457 ms	4444 KB	Output is correct
19	Correct	1404 ms	4444 KB	Output is correct
20	Correct	1201 ms	4432 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	344 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	348 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	464 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	1 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	464 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	2 ms	2392 KB	Output is correct
62	Correct	2 ms	972 KB	Output is correct
63	Correct	4 ms	2508 KB	Output is correct
64	Correct	3 ms	2396 KB	Output is correct
65	Correct	6 ms	900 KB	Output is correct
66	Correct	6 ms	2396 KB	Output is correct
67	Correct	7 ms	2396 KB	Output is correct
68	Correct	8 ms	2652 KB	Output is correct
69	Correct	9 ms	856 KB	Output is correct
70	Correct	11 ms	2396 KB	Output is correct
71	Correct	12 ms	1040 KB	Output is correct
72	Correct	16 ms	2396 KB	Output is correct
73	Correct	7 ms	2396 KB	Output is correct
74	Correct	7 ms	2392 KB	Output is correct
75	Correct	9 ms	2396 KB	Output is correct
76	Correct	7 ms	860 KB	Output is correct
77	Correct	8 ms	2644 KB	Output is correct
78	Correct	6 ms	860 KB	Output is correct
79	Correct	7 ms	2648 KB	Output is correct
80	Correct	7 ms	2644 KB	Output is correct
81	Correct	1880 ms	4440 KB	Output is correct
82	Correct	1728 ms	4444 KB	Output is correct
83	Correct	1876 ms	4252 KB	Output is correct
84	Correct	1881 ms	4444 KB	Output is correct
85	Correct	1848 ms	4444 KB	Output is correct
86	Correct	1855 ms	4444 KB	Output is correct
87	Correct	1716 ms	4424 KB	Output is correct
88	Correct	89 ms	4444 KB	Output is correct
89	Correct	96 ms	4444 KB	Output is correct
90	Correct	291 ms	4440 KB	Output is correct
91	Correct	282 ms	4444 KB	Output is correct
92	Correct	714 ms	4444 KB	Output is correct
93	Correct	770 ms	4444 KB	Output is correct
94	Correct	1336 ms	4444 KB	Output is correct
95	Correct	1269 ms	4432 KB	Output is correct
96	Correct	1587 ms	4432 KB	Output is correct
97	Correct	1653 ms	4444 KB	Output is correct
98	Correct	1148 ms	4444 KB	Output is correct
99	Correct	1164 ms	4440 KB	Output is correct
100	Correct	1201 ms	4444 KB	Output is correct
101	Correct	1138 ms	4440 KB	Output is correct
102	Correct	1029 ms	4444 KB	Output is correct
103	Correct	987 ms	4440 KB	Output is correct
104	Correct	953 ms	4440 KB	Output is correct
105	Correct	787 ms	4444 KB	Output is correct

답안 #1019238

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