답안 #734934

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
734934	2023-05-03T09:38:44 Z	Josia	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	332 ms	2388 KB

Main

#include <bits/stdc++.h>

using namespace std;

#define int int64_t




signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    int n, K; cin >> n >> K;
    vector<array<int, 3>> inputA(n);
    vector<array<int, 3>> inputB(n);


    for (int i=0; i<n; i++) {
        int a, b; cin >> a >> b;

        if (b == -1) b = 1e10;

        inputA[i]={a, b, i};
        inputB[i]={b, a, i};
    }

    sort(inputA.begin(), inputA.end());
    sort(inputB.begin(), inputB.end());

    // vector<bool> topK(n, 0);
    // for (int i = 0; i<K; i++) {
    //     topK[inputA[i][2]] = 1;
    // }




    double res = 1e10;

    array<array<double, 505>, 505> dp;
    for (int i=0; i<K; i++) {
        for (auto &a: dp) for (auto &b: a) b = 1e10;
        dp[0][0] = 0;
        for (int j=0; j<n; j++) {
            for (int k=0; k<=n; k++) {
                // cerr << dp[j][k] << " ";
                if (dp[j][k] == 1e10) continue;

                int colabs = j-k;

                int thisColab = 0;
                if (colabs < i) {
                    thisColab = inputB[j][0];
                }

                dp[j+1][k] = min(dp[j+1][k], dp[j][k]+(double)thisColab/(double)(colabs+1));
                dp[j+1][k+1] = min(dp[j+1][k+1], dp[j][k]+(double)inputB[j][1]/(double)(i+1));
            }
            // cerr << "\n";
        }
        // cerr << "\n";
        res = min(res, dp[n][K-i]);
    }



    // for (int colabs = 0; colabs<=K; colabs++) {
    //     for (int inTopK = 0; inTopK<=K; inTopK++) {
    //         double tmp = dp[n][inTopK][colabs];
    //         cerr << tmp << "\n";

    //         if (tmp == 1e10) continue;

    //         for  (int i = 0; i<K+inTopK; i++) {
    //             tmp += inputA[i][0];
    //         }

    //         res = min(res, tmp);
    //         cerr << "-" << tmp << "\n";
    //     }
    // }


    cout.precision(100);
    cout << res << "\n";

    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2260 KB	Output is correct
2	Correct	2 ms	2312 KB	Output is correct
3	Correct	2 ms	2260 KB	Output is correct
4	Correct	2 ms	2260 KB	Output is correct
5	Correct	16 ms	2260 KB	Output is correct
6	Correct	36 ms	2260 KB	Output is correct
7	Correct	68 ms	2260 KB	Output is correct
8	Correct	118 ms	2320 KB	Output is correct
9	Correct	142 ms	2320 KB	Output is correct
10	Correct	102 ms	2260 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2260 KB	Output is correct
2	Correct	2 ms	2312 KB	Output is correct
3	Correct	2 ms	2260 KB	Output is correct
4	Correct	2 ms	2260 KB	Output is correct
5	Correct	16 ms	2260 KB	Output is correct
6	Correct	36 ms	2260 KB	Output is correct
7	Correct	68 ms	2260 KB	Output is correct
8	Correct	118 ms	2320 KB	Output is correct
9	Correct	142 ms	2320 KB	Output is correct
10	Correct	102 ms	2260 KB	Output is correct
11	Correct	1 ms	2312 KB	Output is correct
12	Correct	90 ms	2324 KB	Output is correct
13	Correct	94 ms	2324 KB	Output is correct
14	Correct	104 ms	2320 KB	Output is correct
15	Correct	226 ms	2260 KB	Output is correct
16	Correct	218 ms	2320 KB	Output is correct
17	Correct	210 ms	2320 KB	Output is correct
18	Correct	326 ms	2324 KB	Output is correct
19	Correct	316 ms	2320 KB	Output is correct
20	Correct	294 ms	2316 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	2 ms	2260 KB	Output is correct
4	Correct	2 ms	2308 KB	Output is correct
5	Correct	2 ms	2260 KB	Output is correct
6	Correct	2 ms	2260 KB	Output is correct
7	Correct	3 ms	2388 KB	Output is correct
8	Correct	2 ms	2260 KB	Output is correct
9	Correct	2 ms	2304 KB	Output is correct
10	Correct	2 ms	2260 KB	Output is correct
11	Correct	2 ms	2260 KB	Output is correct
12	Correct	2 ms	2260 KB	Output is correct
13	Correct	2 ms	2312 KB	Output is correct
14	Correct	2 ms	2308 KB	Output is correct
15	Correct	2 ms	2260 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	2 ms	2260 KB	Output is correct
4	Correct	2 ms	2308 KB	Output is correct
5	Correct	2 ms	2260 KB	Output is correct
6	Correct	2 ms	2260 KB	Output is correct
7	Correct	3 ms	2388 KB	Output is correct
8	Correct	2 ms	2260 KB	Output is correct
9	Correct	2 ms	2304 KB	Output is correct
10	Correct	2 ms	2260 KB	Output is correct
11	Correct	2 ms	2260 KB	Output is correct
12	Correct	2 ms	2260 KB	Output is correct
13	Correct	2 ms	2312 KB	Output is correct
14	Correct	2 ms	2308 KB	Output is correct
15	Correct	2 ms	2260 KB	Output is correct
16	Correct	2 ms	2312 KB	Output is correct
17	Correct	3 ms	2260 KB	Output is correct
18	Correct	2 ms	2308 KB	Output is correct
19	Correct	3 ms	2260 KB	Output is correct
20	Correct	3 ms	2260 KB	Output is correct
21	Correct	3 ms	2260 KB	Output is correct
22	Correct	3 ms	2260 KB	Output is correct
23	Correct	3 ms	2260 KB	Output is correct
24	Correct	3 ms	2260 KB	Output is correct
25	Correct	5 ms	2260 KB	Output is correct
26	Correct	3 ms	2316 KB	Output is correct
27	Correct	2 ms	2260 KB	Output is correct
28	Correct	3 ms	2260 KB	Output is correct
29	Correct	3 ms	2260 KB	Output is correct
30	Correct	3 ms	2260 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	3 ms	2260 KB	Output is correct
33	Correct	3 ms	2312 KB	Output is correct
34	Correct	2 ms	2260 KB	Output is correct
35	Correct	3 ms	2260 KB	Output is correct
36	Correct	2 ms	2260 KB	Output is correct
37	Correct	3 ms	2260 KB	Output is correct
38	Correct	3 ms	2308 KB	Output is correct
39	Correct	3 ms	2260 KB	Output is correct
40	Correct	3 ms	2260 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	2 ms	2260 KB	Output is correct
4	Correct	2 ms	2308 KB	Output is correct
5	Correct	2 ms	2260 KB	Output is correct
6	Correct	2 ms	2260 KB	Output is correct
7	Correct	3 ms	2388 KB	Output is correct
8	Correct	2 ms	2260 KB	Output is correct
9	Correct	2 ms	2304 KB	Output is correct
10	Correct	2 ms	2260 KB	Output is correct
11	Correct	2 ms	2260 KB	Output is correct
12	Correct	2 ms	2260 KB	Output is correct
13	Correct	2 ms	2312 KB	Output is correct
14	Correct	2 ms	2308 KB	Output is correct
15	Correct	2 ms	2260 KB	Output is correct
16	Correct	2 ms	2312 KB	Output is correct
17	Correct	3 ms	2260 KB	Output is correct
18	Correct	2 ms	2308 KB	Output is correct
19	Correct	3 ms	2260 KB	Output is correct
20	Correct	3 ms	2260 KB	Output is correct
21	Correct	3 ms	2260 KB	Output is correct
22	Correct	3 ms	2260 KB	Output is correct
23	Correct	3 ms	2260 KB	Output is correct
24	Correct	3 ms	2260 KB	Output is correct
25	Correct	5 ms	2260 KB	Output is correct
26	Correct	3 ms	2316 KB	Output is correct
27	Correct	2 ms	2260 KB	Output is correct
28	Correct	3 ms	2260 KB	Output is correct
29	Correct	3 ms	2260 KB	Output is correct
30	Correct	3 ms	2260 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	3 ms	2260 KB	Output is correct
33	Correct	3 ms	2312 KB	Output is correct
34	Correct	2 ms	2260 KB	Output is correct
35	Correct	3 ms	2260 KB	Output is correct
36	Correct	2 ms	2260 KB	Output is correct
37	Correct	3 ms	2260 KB	Output is correct
38	Correct	3 ms	2308 KB	Output is correct
39	Correct	3 ms	2260 KB	Output is correct
40	Correct	3 ms	2260 KB	Output is correct
41	Correct	4 ms	2260 KB	Output is correct
42	Correct	4 ms	2260 KB	Output is correct
43	Correct	5 ms	2260 KB	Output is correct
44	Correct	5 ms	2260 KB	Output is correct
45	Correct	7 ms	2260 KB	Output is correct
46	Correct	7 ms	2312 KB	Output is correct
47	Correct	10 ms	2316 KB	Output is correct
48	Correct	10 ms	2260 KB	Output is correct
49	Correct	13 ms	2260 KB	Output is correct
50	Correct	13 ms	2320 KB	Output is correct
51	Correct	20 ms	2260 KB	Output is correct
52	Correct	13 ms	2316 KB	Output is correct
53	Correct	10 ms	2260 KB	Output is correct
54	Correct	10 ms	2308 KB	Output is correct
55	Correct	9 ms	2308 KB	Output is correct
56	Correct	9 ms	2316 KB	Output is correct
57	Correct	9 ms	2316 KB	Output is correct
58	Correct	9 ms	2312 KB	Output is correct
59	Correct	9 ms	2260 KB	Output is correct
60	Correct	9 ms	2260 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	317 ms	2388 KB	Output is correct
2	Correct	319 ms	2336 KB	Output is correct
3	Correct	317 ms	2320 KB	Output is correct
4	Correct	332 ms	2260 KB	Output is correct
5	Correct	311 ms	2316 KB	Output is correct
6	Correct	326 ms	2380 KB	Output is correct
7	Correct	315 ms	2324 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2260 KB	Output is correct
2	Correct	2 ms	2312 KB	Output is correct
3	Correct	2 ms	2260 KB	Output is correct
4	Correct	2 ms	2260 KB	Output is correct
5	Correct	16 ms	2260 KB	Output is correct
6	Correct	36 ms	2260 KB	Output is correct
7	Correct	68 ms	2260 KB	Output is correct
8	Correct	118 ms	2320 KB	Output is correct
9	Correct	142 ms	2320 KB	Output is correct
10	Correct	102 ms	2260 KB	Output is correct
11	Correct	1 ms	2312 KB	Output is correct
12	Correct	90 ms	2324 KB	Output is correct
13	Correct	94 ms	2324 KB	Output is correct
14	Correct	104 ms	2320 KB	Output is correct
15	Correct	226 ms	2260 KB	Output is correct
16	Correct	218 ms	2320 KB	Output is correct
17	Correct	210 ms	2320 KB	Output is correct
18	Correct	326 ms	2324 KB	Output is correct
19	Correct	316 ms	2320 KB	Output is correct
20	Correct	294 ms	2316 KB	Output is correct
21	Correct	1 ms	2260 KB	Output is correct
22	Correct	2 ms	2260 KB	Output is correct
23	Correct	2 ms	2260 KB	Output is correct
24	Correct	2 ms	2308 KB	Output is correct
25	Correct	2 ms	2260 KB	Output is correct
26	Correct	2 ms	2260 KB	Output is correct
27	Correct	3 ms	2388 KB	Output is correct
28	Correct	2 ms	2260 KB	Output is correct
29	Correct	2 ms	2304 KB	Output is correct
30	Correct	2 ms	2260 KB	Output is correct
31	Correct	2 ms	2260 KB	Output is correct
32	Correct	2 ms	2260 KB	Output is correct
33	Correct	2 ms	2312 KB	Output is correct
34	Correct	2 ms	2308 KB	Output is correct
35	Correct	2 ms	2260 KB	Output is correct
36	Correct	2 ms	2312 KB	Output is correct
37	Correct	3 ms	2260 KB	Output is correct
38	Correct	2 ms	2308 KB	Output is correct
39	Correct	3 ms	2260 KB	Output is correct
40	Correct	3 ms	2260 KB	Output is correct
41	Correct	3 ms	2260 KB	Output is correct
42	Correct	3 ms	2260 KB	Output is correct
43	Correct	3 ms	2260 KB	Output is correct
44	Correct	3 ms	2260 KB	Output is correct
45	Correct	5 ms	2260 KB	Output is correct
46	Correct	3 ms	2316 KB	Output is correct
47	Correct	2 ms	2260 KB	Output is correct
48	Correct	3 ms	2260 KB	Output is correct
49	Correct	3 ms	2260 KB	Output is correct
50	Correct	3 ms	2260 KB	Output is correct
51	Correct	3 ms	2260 KB	Output is correct
52	Correct	3 ms	2260 KB	Output is correct
53	Correct	3 ms	2312 KB	Output is correct
54	Correct	2 ms	2260 KB	Output is correct
55	Correct	3 ms	2260 KB	Output is correct
56	Correct	2 ms	2260 KB	Output is correct
57	Correct	3 ms	2260 KB	Output is correct
58	Correct	3 ms	2308 KB	Output is correct
59	Correct	3 ms	2260 KB	Output is correct
60	Correct	3 ms	2260 KB	Output is correct
61	Correct	4 ms	2260 KB	Output is correct
62	Correct	4 ms	2260 KB	Output is correct
63	Correct	5 ms	2260 KB	Output is correct
64	Correct	5 ms	2260 KB	Output is correct
65	Correct	7 ms	2260 KB	Output is correct
66	Correct	7 ms	2312 KB	Output is correct
67	Correct	10 ms	2316 KB	Output is correct
68	Correct	10 ms	2260 KB	Output is correct
69	Correct	13 ms	2260 KB	Output is correct
70	Correct	13 ms	2320 KB	Output is correct
71	Correct	20 ms	2260 KB	Output is correct
72	Correct	13 ms	2316 KB	Output is correct
73	Correct	10 ms	2260 KB	Output is correct
74	Correct	10 ms	2308 KB	Output is correct
75	Correct	9 ms	2308 KB	Output is correct
76	Correct	9 ms	2316 KB	Output is correct
77	Correct	9 ms	2316 KB	Output is correct
78	Correct	9 ms	2312 KB	Output is correct
79	Correct	9 ms	2260 KB	Output is correct
80	Correct	9 ms	2260 KB	Output is correct
81	Correct	317 ms	2388 KB	Output is correct
82	Correct	319 ms	2336 KB	Output is correct
83	Correct	317 ms	2320 KB	Output is correct
84	Correct	332 ms	2260 KB	Output is correct
85	Correct	311 ms	2316 KB	Output is correct
86	Correct	326 ms	2380 KB	Output is correct
87	Correct	315 ms	2324 KB	Output is correct
88	Correct	31 ms	2260 KB	Output is correct
89	Correct	31 ms	2260 KB	Output is correct
90	Correct	78 ms	2260 KB	Output is correct
91	Correct	75 ms	2320 KB	Output is correct
92	Correct	169 ms	2260 KB	Output is correct
93	Correct	153 ms	2332 KB	Output is correct
94	Correct	238 ms	2324 KB	Output is correct
95	Correct	233 ms	2260 KB	Output is correct
96	Correct	288 ms	2316 KB	Output is correct
97	Correct	281 ms	2332 KB	Output is correct
98	Correct	223 ms	2260 KB	Output is correct
99	Correct	224 ms	2320 KB	Output is correct
100	Correct	219 ms	2260 KB	Output is correct
101	Correct	231 ms	2320 KB	Output is correct
102	Correct	227 ms	2388 KB	Output is correct
103	Correct	214 ms	2320 KB	Output is correct
104	Correct	226 ms	2260 KB	Output is correct
105	Correct	217 ms	2260 KB	Output is correct

답안 #734934

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