답안 #528151

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
528151	2022-02-19T13:09:47 Z	8e7	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	305 ms	4300 KB

Main

//Challenge: Accepted
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 505
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
pii a[maxn];
const double inf = 1e9;
double dp[maxn][maxn];
ll mi[maxn][maxn];
int main() {
	io
	int n, k;
	cin >> n >> k;

	for (int i = 0;i < n;i++) {
		cin >> a[i].ff >> a[i].ss; 	
		if (a[i].ss == -1) a[i].ss = 1<<30;
	}
	sort(a, a + n, [&] (pii x, pii y){return (x.ss == y.ss ? x.ff > y.ff : x.ss < y.ss);});
	for (int i = n - 1;i >= 0;i--) {
		vector<pii> b;
		for (int j = n-1;j >= i;j--) b.push_back(a[j]);
		sort(b.begin(), b.end());
		for (int j = 0;j < b.size();j++) mi[i][j+1] = mi[i][j] + b[j].ff;
	}
	double ans = 1e9;
	ans = mi[0][k];
	for (int i = 0;i <= k;i++) {
		
		for (int x = 0;x <= k;x++) {
			for (int y = 0;y <= k;y++) dp[x][y] = inf;
		}
		dp[0][0] = 0;
		for (int x = 1;x <= k;x++) {
			for (int y = 0;y <= k;y++) {
				dp[x][y] = dp[x-1][y] + (double(a[x-1].ff)/(i+1));
				if (y) {
					dp[x][y] = min(dp[x][y], dp[x-1][y-1] + (double)a[x-1].ss/y);
				}
			}
			ans = min(ans, dp[x][i] + (double(mi[x][k - x])) / (i+1));	
		}
	}
	cout << fixed << setprecision(10) << ans << "\n";
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for (int j = 0;j < b.size();j++) mi[i][j+1] = mi[i][j] + b[j].ff;
      |                  ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	5 ms	2380 KB	Output is correct
6	Correct	9 ms	2708 KB	Output is correct
7	Correct	43 ms	3288 KB	Output is correct
8	Correct	110 ms	3768 KB	Output is correct
9	Correct	266 ms	4260 KB	Output is correct
10	Correct	97 ms	3660 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	5 ms	2380 KB	Output is correct
6	Correct	9 ms	2708 KB	Output is correct
7	Correct	43 ms	3288 KB	Output is correct
8	Correct	110 ms	3768 KB	Output is correct
9	Correct	266 ms	4260 KB	Output is correct
10	Correct	97 ms	3660 KB	Output is correct
11	Correct	0 ms	332 KB	Output is correct
12	Correct	11 ms	2900 KB	Output is correct
13	Correct	12 ms	2808 KB	Output is correct
14	Correct	11 ms	2892 KB	Output is correct
15	Correct	91 ms	3672 KB	Output is correct
16	Correct	110 ms	3660 KB	Output is correct
17	Correct	100 ms	3668 KB	Output is correct
18	Correct	262 ms	4264 KB	Output is correct
19	Correct	260 ms	4300 KB	Output is correct
20	Correct	270 ms	4268 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	460 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	460 KB	Output is correct
22	Correct	1 ms	460 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	460 KB	Output is correct
25	Correct	0 ms	460 KB	Output is correct
26	Correct	0 ms	460 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	0 ms	332 KB	Output is correct
30	Correct	0 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	404 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	460 KB	Output is correct
36	Correct	1 ms	460 KB	Output is correct
37	Correct	1 ms	460 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	0 ms	332 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	460 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	460 KB	Output is correct
22	Correct	1 ms	460 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	460 KB	Output is correct
25	Correct	0 ms	460 KB	Output is correct
26	Correct	0 ms	460 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	0 ms	332 KB	Output is correct
30	Correct	0 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	404 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	460 KB	Output is correct
36	Correct	1 ms	460 KB	Output is correct
37	Correct	1 ms	460 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	0 ms	332 KB	Output is correct
41	Correct	1 ms	716 KB	Output is correct
42	Correct	1 ms	716 KB	Output is correct
43	Correct	1 ms	844 KB	Output is correct
44	Correct	1 ms	716 KB	Output is correct
45	Correct	1 ms	844 KB	Output is correct
46	Correct	1 ms	844 KB	Output is correct
47	Correct	2 ms	972 KB	Output is correct
48	Correct	1 ms	972 KB	Output is correct
49	Correct	3 ms	972 KB	Output is correct
50	Correct	2 ms	972 KB	Output is correct
51	Correct	4 ms	1100 KB	Output is correct
52	Correct	4 ms	1152 KB	Output is correct
53	Correct	2 ms	972 KB	Output is correct
54	Correct	2 ms	972 KB	Output is correct
55	Correct	3 ms	972 KB	Output is correct
56	Correct	2 ms	972 KB	Output is correct
57	Correct	2 ms	972 KB	Output is correct
58	Correct	2 ms	972 KB	Output is correct
59	Correct	1 ms	972 KB	Output is correct
60	Correct	1 ms	972 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	269 ms	4268 KB	Output is correct
2	Correct	305 ms	4264 KB	Output is correct
3	Correct	266 ms	4268 KB	Output is correct
4	Correct	263 ms	4268 KB	Output is correct
5	Correct	283 ms	4264 KB	Output is correct
6	Correct	290 ms	4268 KB	Output is correct
7	Correct	259 ms	4280 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	5 ms	2380 KB	Output is correct
6	Correct	9 ms	2708 KB	Output is correct
7	Correct	43 ms	3288 KB	Output is correct
8	Correct	110 ms	3768 KB	Output is correct
9	Correct	266 ms	4260 KB	Output is correct
10	Correct	97 ms	3660 KB	Output is correct
11	Correct	0 ms	332 KB	Output is correct
12	Correct	11 ms	2900 KB	Output is correct
13	Correct	12 ms	2808 KB	Output is correct
14	Correct	11 ms	2892 KB	Output is correct
15	Correct	91 ms	3672 KB	Output is correct
16	Correct	110 ms	3660 KB	Output is correct
17	Correct	100 ms	3668 KB	Output is correct
18	Correct	262 ms	4264 KB	Output is correct
19	Correct	260 ms	4300 KB	Output is correct
20	Correct	270 ms	4268 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	0 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	0 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	0 ms	332 KB	Output is correct
39	Correct	1 ms	460 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	460 KB	Output is correct
43	Correct	1 ms	460 KB	Output is correct
44	Correct	1 ms	460 KB	Output is correct
45	Correct	0 ms	460 KB	Output is correct
46	Correct	0 ms	460 KB	Output is correct
47	Correct	1 ms	332 KB	Output is correct
48	Correct	1 ms	332 KB	Output is correct
49	Correct	0 ms	332 KB	Output is correct
50	Correct	0 ms	332 KB	Output is correct
51	Correct	1 ms	332 KB	Output is correct
52	Correct	1 ms	404 KB	Output is correct
53	Correct	1 ms	332 KB	Output is correct
54	Correct	1 ms	332 KB	Output is correct
55	Correct	1 ms	460 KB	Output is correct
56	Correct	1 ms	460 KB	Output is correct
57	Correct	1 ms	460 KB	Output is correct
58	Correct	1 ms	332 KB	Output is correct
59	Correct	1 ms	332 KB	Output is correct
60	Correct	0 ms	332 KB	Output is correct
61	Correct	1 ms	716 KB	Output is correct
62	Correct	1 ms	716 KB	Output is correct
63	Correct	1 ms	844 KB	Output is correct
64	Correct	1 ms	716 KB	Output is correct
65	Correct	1 ms	844 KB	Output is correct
66	Correct	1 ms	844 KB	Output is correct
67	Correct	2 ms	972 KB	Output is correct
68	Correct	1 ms	972 KB	Output is correct
69	Correct	3 ms	972 KB	Output is correct
70	Correct	2 ms	972 KB	Output is correct
71	Correct	4 ms	1100 KB	Output is correct
72	Correct	4 ms	1152 KB	Output is correct
73	Correct	2 ms	972 KB	Output is correct
74	Correct	2 ms	972 KB	Output is correct
75	Correct	3 ms	972 KB	Output is correct
76	Correct	2 ms	972 KB	Output is correct
77	Correct	2 ms	972 KB	Output is correct
78	Correct	2 ms	972 KB	Output is correct
79	Correct	1 ms	972 KB	Output is correct
80	Correct	1 ms	972 KB	Output is correct
81	Correct	269 ms	4268 KB	Output is correct
82	Correct	305 ms	4264 KB	Output is correct
83	Correct	266 ms	4268 KB	Output is correct
84	Correct	263 ms	4268 KB	Output is correct
85	Correct	283 ms	4264 KB	Output is correct
86	Correct	290 ms	4268 KB	Output is correct
87	Correct	259 ms	4280 KB	Output is correct
88	Correct	11 ms	2444 KB	Output is correct
89	Correct	8 ms	2504 KB	Output is correct
90	Correct	12 ms	2696 KB	Output is correct
91	Correct	13 ms	2764 KB	Output is correct
92	Correct	40 ms	3212 KB	Output is correct
93	Correct	47 ms	3280 KB	Output is correct
94	Correct	115 ms	3736 KB	Output is correct
95	Correct	125 ms	3660 KB	Output is correct
96	Correct	196 ms	4068 KB	Output is correct
97	Correct	202 ms	4044 KB	Output is correct
98	Correct	97 ms	3660 KB	Output is correct
99	Correct	96 ms	3672 KB	Output is correct
100	Correct	98 ms	3668 KB	Output is correct
101	Correct	99 ms	3660 KB	Output is correct
102	Correct	98 ms	3668 KB	Output is correct
103	Correct	98 ms	3668 KB	Output is correct
104	Correct	96 ms	3660 KB	Output is correct
105	Correct	92 ms	3668 KB	Output is correct

답안 #528151

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