답안 #534096

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
534096	2022-03-08T01:03:26 Z	balbit	Let's Win the Election (JOI22_ho_t3)	C++14	100 / 100	237 ms	2380 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define pii pair<ll, ll>
#define f first
#define s second

#define REP(i,n) for (int i = 0; i<n; ++i)
#define REP1(i,n) for (int i = 1; i<=n; ++i)

#define SZ(x) (int)((x).size())
#define ALL(x) (x).begin(), (x).end()
#define pb push_back

#define MX(a,b) a = max(a,b)
#define MN(a,b) a = min(a,b)

#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<" "<<#__VA_ARGS__<<" - ", _do(__VA_ARGS__)
template <typename T> void _do( T && x) {cerr<<x<<endl;}
template <typename T, typename ...S> void _do( T && x, S && ...y) {cerr<<x<<", "; _do(y...);}
#else
#define bug(...)
#define endl '\n'
#endif // BALBIT

const int maxn = 500+5;
const ll inf = 1ll<<62;

int A[maxn], B[maxn];

double dp[maxn][maxn];
ll mnsum[maxn];

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

    bug(1,2);

    int n, k; cin>>n>>k;
    vector<pii> bo(n);
    REP(i,n) {
        cin>>bo[i].s>>bo[i].f;
        if (bo[i].f == -1) bo[i].f = inf;
    }
    sort(ALL(bo));

    REP1(i,n) {
        A[i] = bo[i-1].s; B[i] = bo[i-1].f;
        bug(i,A[i],B[i]);
    }

    vector<ll> tmp;
    for (int i = n; i>=1; --i) {
        tmp.pb(A[i]);
        int need = k-i+1;
        sort(ALL(tmp));
        REP(j, need) mnsum[i] += tmp[j];
        bug(i, mnsum[i]);
    }
    double re = mnsum[1];
    for (int TC = 1; TC <=k; ++TC) {
        // total number of collaborators + 1
        REP(i, maxn) fill(dp[i], dp[i]+maxn, inf);
        dp[0][1] = 0;
        REP1(i,n) {
            REP1(t, TC) {
                if (t>1 && B[i] != inf) MN(dp[i][t], dp[i-1][t-1] + B[i] / (double)(t-1));
                MN(dp[i][t], dp[i-1][t] +   A[i] / (double)(TC));
            }
            MN(re, dp[i][TC] + mnsum[i+1] / (double)TC);
        }
    }

    cout<<fixed<<setprecision(10)<<re<<endl;

}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2300 KB	Output is correct
2	Correct	1 ms	2252 KB	Output is correct
3	Correct	2 ms	2252 KB	Output is correct
4	Correct	2 ms	2252 KB	Output is correct
5	Correct	15 ms	2336 KB	Output is correct
6	Correct	28 ms	2252 KB	Output is correct
7	Correct	50 ms	2252 KB	Output is correct
8	Correct	91 ms	2316 KB	Output is correct
9	Correct	132 ms	2252 KB	Output is correct
10	Correct	113 ms	2312 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2300 KB	Output is correct
2	Correct	1 ms	2252 KB	Output is correct
3	Correct	2 ms	2252 KB	Output is correct
4	Correct	2 ms	2252 KB	Output is correct
5	Correct	15 ms	2336 KB	Output is correct
6	Correct	28 ms	2252 KB	Output is correct
7	Correct	50 ms	2252 KB	Output is correct
8	Correct	91 ms	2316 KB	Output is correct
9	Correct	132 ms	2252 KB	Output is correct
10	Correct	113 ms	2312 KB	Output is correct
11	Correct	2 ms	2252 KB	Output is correct
12	Correct	45 ms	2312 KB	Output is correct
13	Correct	33 ms	2252 KB	Output is correct
14	Correct	31 ms	2220 KB	Output is correct
15	Correct	145 ms	2312 KB	Output is correct
16	Correct	136 ms	2312 KB	Output is correct
17	Correct	92 ms	2312 KB	Output is correct
18	Correct	220 ms	2320 KB	Output is correct
19	Correct	210 ms	2316 KB	Output is correct
20	Correct	149 ms	2320 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2252 KB	Output is correct
2	Correct	2 ms	2252 KB	Output is correct
3	Correct	3 ms	2228 KB	Output is correct
4	Correct	2 ms	2240 KB	Output is correct
5	Correct	2 ms	2252 KB	Output is correct
6	Correct	2 ms	2236 KB	Output is correct
7	Correct	2 ms	2252 KB	Output is correct
8	Correct	2 ms	2252 KB	Output is correct
9	Correct	6 ms	2252 KB	Output is correct
10	Correct	2 ms	2252 KB	Output is correct
11	Correct	3 ms	2252 KB	Output is correct
12	Correct	2 ms	2252 KB	Output is correct
13	Correct	2 ms	2236 KB	Output is correct
14	Correct	3 ms	2252 KB	Output is correct
15	Correct	3 ms	2240 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2252 KB	Output is correct
2	Correct	2 ms	2252 KB	Output is correct
3	Correct	3 ms	2228 KB	Output is correct
4	Correct	2 ms	2240 KB	Output is correct
5	Correct	2 ms	2252 KB	Output is correct
6	Correct	2 ms	2236 KB	Output is correct
7	Correct	2 ms	2252 KB	Output is correct
8	Correct	2 ms	2252 KB	Output is correct
9	Correct	6 ms	2252 KB	Output is correct
10	Correct	2 ms	2252 KB	Output is correct
11	Correct	3 ms	2252 KB	Output is correct
12	Correct	2 ms	2252 KB	Output is correct
13	Correct	2 ms	2236 KB	Output is correct
14	Correct	3 ms	2252 KB	Output is correct
15	Correct	3 ms	2240 KB	Output is correct
16	Correct	3 ms	2240 KB	Output is correct
17	Correct	4 ms	2252 KB	Output is correct
18	Correct	3 ms	2240 KB	Output is correct
19	Correct	2 ms	2252 KB	Output is correct
20	Correct	3 ms	2252 KB	Output is correct
21	Correct	3 ms	2240 KB	Output is correct
22	Correct	3 ms	2240 KB	Output is correct
23	Correct	2 ms	2252 KB	Output is correct
24	Correct	3 ms	2320 KB	Output is correct
25	Correct	3 ms	2216 KB	Output is correct
26	Correct	3 ms	2252 KB	Output is correct
27	Correct	2 ms	2252 KB	Output is correct
28	Correct	3 ms	2252 KB	Output is correct
29	Correct	3 ms	2252 KB	Output is correct
30	Correct	3 ms	2252 KB	Output is correct
31	Correct	2 ms	2252 KB	Output is correct
32	Correct	3 ms	2252 KB	Output is correct
33	Correct	3 ms	2252 KB	Output is correct
34	Correct	2 ms	2252 KB	Output is correct
35	Correct	3 ms	2252 KB	Output is correct
36	Correct	3 ms	2252 KB	Output is correct
37	Correct	3 ms	2244 KB	Output is correct
38	Correct	3 ms	2252 KB	Output is correct
39	Correct	3 ms	2252 KB	Output is correct
40	Correct	3 ms	2236 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2252 KB	Output is correct
2	Correct	2 ms	2252 KB	Output is correct
3	Correct	3 ms	2228 KB	Output is correct
4	Correct	2 ms	2240 KB	Output is correct
5	Correct	2 ms	2252 KB	Output is correct
6	Correct	2 ms	2236 KB	Output is correct
7	Correct	2 ms	2252 KB	Output is correct
8	Correct	2 ms	2252 KB	Output is correct
9	Correct	6 ms	2252 KB	Output is correct
10	Correct	2 ms	2252 KB	Output is correct
11	Correct	3 ms	2252 KB	Output is correct
12	Correct	2 ms	2252 KB	Output is correct
13	Correct	2 ms	2236 KB	Output is correct
14	Correct	3 ms	2252 KB	Output is correct
15	Correct	3 ms	2240 KB	Output is correct
16	Correct	3 ms	2240 KB	Output is correct
17	Correct	4 ms	2252 KB	Output is correct
18	Correct	3 ms	2240 KB	Output is correct
19	Correct	2 ms	2252 KB	Output is correct
20	Correct	3 ms	2252 KB	Output is correct
21	Correct	3 ms	2240 KB	Output is correct
22	Correct	3 ms	2240 KB	Output is correct
23	Correct	2 ms	2252 KB	Output is correct
24	Correct	3 ms	2320 KB	Output is correct
25	Correct	3 ms	2216 KB	Output is correct
26	Correct	3 ms	2252 KB	Output is correct
27	Correct	2 ms	2252 KB	Output is correct
28	Correct	3 ms	2252 KB	Output is correct
29	Correct	3 ms	2252 KB	Output is correct
30	Correct	3 ms	2252 KB	Output is correct
31	Correct	2 ms	2252 KB	Output is correct
32	Correct	3 ms	2252 KB	Output is correct
33	Correct	3 ms	2252 KB	Output is correct
34	Correct	2 ms	2252 KB	Output is correct
35	Correct	3 ms	2252 KB	Output is correct
36	Correct	3 ms	2252 KB	Output is correct
37	Correct	3 ms	2244 KB	Output is correct
38	Correct	3 ms	2252 KB	Output is correct
39	Correct	3 ms	2252 KB	Output is correct
40	Correct	3 ms	2236 KB	Output is correct
41	Correct	3 ms	2236 KB	Output is correct
42	Correct	3 ms	2252 KB	Output is correct
43	Correct	7 ms	2252 KB	Output is correct
44	Correct	4 ms	2328 KB	Output is correct
45	Correct	6 ms	2380 KB	Output is correct
46	Correct	6 ms	2252 KB	Output is correct
47	Correct	8 ms	2252 KB	Output is correct
48	Correct	8 ms	2252 KB	Output is correct
49	Correct	10 ms	2252 KB	Output is correct
50	Correct	10 ms	2252 KB	Output is correct
51	Correct	12 ms	2252 KB	Output is correct
52	Correct	13 ms	2300 KB	Output is correct
53	Correct	9 ms	2284 KB	Output is correct
54	Correct	9 ms	2240 KB	Output is correct
55	Correct	8 ms	2252 KB	Output is correct
56	Correct	11 ms	2252 KB	Output is correct
57	Correct	8 ms	2252 KB	Output is correct
58	Correct	12 ms	2316 KB	Output is correct
59	Correct	8 ms	2320 KB	Output is correct
60	Correct	9 ms	2252 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	221 ms	2316 KB	Output is correct
2	Correct	210 ms	2320 KB	Output is correct
3	Correct	221 ms	2316 KB	Output is correct
4	Correct	205 ms	2320 KB	Output is correct
5	Correct	189 ms	2320 KB	Output is correct
6	Correct	209 ms	2312 KB	Output is correct
7	Correct	237 ms	2252 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2300 KB	Output is correct
2	Correct	1 ms	2252 KB	Output is correct
3	Correct	2 ms	2252 KB	Output is correct
4	Correct	2 ms	2252 KB	Output is correct
5	Correct	15 ms	2336 KB	Output is correct
6	Correct	28 ms	2252 KB	Output is correct
7	Correct	50 ms	2252 KB	Output is correct
8	Correct	91 ms	2316 KB	Output is correct
9	Correct	132 ms	2252 KB	Output is correct
10	Correct	113 ms	2312 KB	Output is correct
11	Correct	2 ms	2252 KB	Output is correct
12	Correct	45 ms	2312 KB	Output is correct
13	Correct	33 ms	2252 KB	Output is correct
14	Correct	31 ms	2220 KB	Output is correct
15	Correct	145 ms	2312 KB	Output is correct
16	Correct	136 ms	2312 KB	Output is correct
17	Correct	92 ms	2312 KB	Output is correct
18	Correct	220 ms	2320 KB	Output is correct
19	Correct	210 ms	2316 KB	Output is correct
20	Correct	149 ms	2320 KB	Output is correct
21	Correct	1 ms	2252 KB	Output is correct
22	Correct	2 ms	2252 KB	Output is correct
23	Correct	3 ms	2228 KB	Output is correct
24	Correct	2 ms	2240 KB	Output is correct
25	Correct	2 ms	2252 KB	Output is correct
26	Correct	2 ms	2236 KB	Output is correct
27	Correct	2 ms	2252 KB	Output is correct
28	Correct	2 ms	2252 KB	Output is correct
29	Correct	6 ms	2252 KB	Output is correct
30	Correct	2 ms	2252 KB	Output is correct
31	Correct	3 ms	2252 KB	Output is correct
32	Correct	2 ms	2252 KB	Output is correct
33	Correct	2 ms	2236 KB	Output is correct
34	Correct	3 ms	2252 KB	Output is correct
35	Correct	3 ms	2240 KB	Output is correct
36	Correct	3 ms	2240 KB	Output is correct
37	Correct	4 ms	2252 KB	Output is correct
38	Correct	3 ms	2240 KB	Output is correct
39	Correct	2 ms	2252 KB	Output is correct
40	Correct	3 ms	2252 KB	Output is correct
41	Correct	3 ms	2240 KB	Output is correct
42	Correct	3 ms	2240 KB	Output is correct
43	Correct	2 ms	2252 KB	Output is correct
44	Correct	3 ms	2320 KB	Output is correct
45	Correct	3 ms	2216 KB	Output is correct
46	Correct	3 ms	2252 KB	Output is correct
47	Correct	2 ms	2252 KB	Output is correct
48	Correct	3 ms	2252 KB	Output is correct
49	Correct	3 ms	2252 KB	Output is correct
50	Correct	3 ms	2252 KB	Output is correct
51	Correct	2 ms	2252 KB	Output is correct
52	Correct	3 ms	2252 KB	Output is correct
53	Correct	3 ms	2252 KB	Output is correct
54	Correct	2 ms	2252 KB	Output is correct
55	Correct	3 ms	2252 KB	Output is correct
56	Correct	3 ms	2252 KB	Output is correct
57	Correct	3 ms	2244 KB	Output is correct
58	Correct	3 ms	2252 KB	Output is correct
59	Correct	3 ms	2252 KB	Output is correct
60	Correct	3 ms	2236 KB	Output is correct
61	Correct	3 ms	2236 KB	Output is correct
62	Correct	3 ms	2252 KB	Output is correct
63	Correct	7 ms	2252 KB	Output is correct
64	Correct	4 ms	2328 KB	Output is correct
65	Correct	6 ms	2380 KB	Output is correct
66	Correct	6 ms	2252 KB	Output is correct
67	Correct	8 ms	2252 KB	Output is correct
68	Correct	8 ms	2252 KB	Output is correct
69	Correct	10 ms	2252 KB	Output is correct
70	Correct	10 ms	2252 KB	Output is correct
71	Correct	12 ms	2252 KB	Output is correct
72	Correct	13 ms	2300 KB	Output is correct
73	Correct	9 ms	2284 KB	Output is correct
74	Correct	9 ms	2240 KB	Output is correct
75	Correct	8 ms	2252 KB	Output is correct
76	Correct	11 ms	2252 KB	Output is correct
77	Correct	8 ms	2252 KB	Output is correct
78	Correct	12 ms	2316 KB	Output is correct
79	Correct	8 ms	2320 KB	Output is correct
80	Correct	9 ms	2252 KB	Output is correct
81	Correct	221 ms	2316 KB	Output is correct
82	Correct	210 ms	2320 KB	Output is correct
83	Correct	221 ms	2316 KB	Output is correct
84	Correct	205 ms	2320 KB	Output is correct
85	Correct	189 ms	2320 KB	Output is correct
86	Correct	209 ms	2312 KB	Output is correct
87	Correct	237 ms	2252 KB	Output is correct
88	Correct	10 ms	2252 KB	Output is correct
89	Correct	11 ms	2232 KB	Output is correct
90	Correct	25 ms	2252 KB	Output is correct
91	Correct	28 ms	2316 KB	Output is correct
92	Correct	72 ms	2320 KB	Output is correct
93	Correct	93 ms	2316 KB	Output is correct
94	Correct	124 ms	2252 KB	Output is correct
95	Correct	151 ms	2320 KB	Output is correct
96	Correct	173 ms	2252 KB	Output is correct
97	Correct	206 ms	2252 KB	Output is correct
98	Correct	101 ms	2324 KB	Output is correct
99	Correct	104 ms	2316 KB	Output is correct
100	Correct	129 ms	2236 KB	Output is correct
101	Correct	113 ms	2316 KB	Output is correct
102	Correct	105 ms	2252 KB	Output is correct
103	Correct	107 ms	2252 KB	Output is correct
104	Correct	120 ms	2320 KB	Output is correct
105	Correct	119 ms	2320 KB	Output is correct

답안 #534096

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