Submission #532049

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
532049	2022-03-02T04:29:25 Z	Haruto810198	Let's Win the Election (JOI22_ho_t3)	C++17	56 / 100	2500 ms	976 KB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define double long double

#define FOR(i, l, r, d) for(int i=(l); i<=(r); i+=(d))
#define szof(x) ((int)(x).size())

#define vi vector<int>
#define pii pair<int, int>

#define F first
#define S second

#define pb push_back
#define eb emplace_back
#define mkp make_pair

const int INF = INT_MAX;
const int LNF = INF*INF;
const int MOD = 1000000007;
const int mod = 998244353;
const double eps = 1e-12;

//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")

const int MAX = 510;

struct State{
	double A, B;	
};

int n, k;
State state[MAX];
double res;

double dp[MAX][MAX];

bool cmp_by_B(State x, State y){
	if(x.B == y.B) return (x.A < y.A);
	return (x.B < y.B);
}

signed main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	cin>>n>>k;
	FOR(i, 1, n, 1){
		cin>>state[i].A>>state[i].B;
		if(state[i].B == -1) state[i].B = INF;
	}
	sort(state+1, state+n+1, cmp_by_B);
	
	res = INF;
	// enum. n. of collaborators
	FOR(C, 0, k, 1){
		int V = k - C;
		// C collaborators, V votes
		
		FOR(i, 0, C, 1){
			FOR(j, 0, V, 1){
				dp[i][j] = INF;
			}
		}
		dp[0][0] = 0;

		FOR(x, 1, n, 1){
			for(int i = C; i >= 0; i--){
				for(int j = V; j >= 0; j--){
					if(i > 0) dp[i][j] = min(dp[i][j], dp[i-1][j] + state[x].B / i);
					if(j > 0) dp[i][j] = min(dp[i][j], dp[i][j-1] + state[x].A / (C+1));
				}
			}
		}

		res = min(res, dp[C][V]);
	}

	cout<<fixed<<setprecision(12)<<res<<'\n';
	
	return 0;

}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	352 KB	Output is correct
2	Correct	0 ms	320 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	185 ms	452 KB	Output is correct
6	Correct	2469 ms	976 KB	Output is correct
7	Execution timed out	2574 ms	600 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Subtask #2
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	352 KB	Output is correct
2	Correct	0 ms	320 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	185 ms	452 KB	Output is correct
6	Correct	2469 ms	976 KB	Output is correct
7	Execution timed out	2574 ms	600 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 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	320 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 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	320 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	296 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	316 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 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	324 KB	Output is correct
32	Correct	1 ms	332 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	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	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	324 KB	Output is correct

Subtask #5
33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 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	320 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	296 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	316 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 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	324 KB	Output is correct
32	Correct	1 ms	332 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	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	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	324 KB	Output is correct
41	Correct	2 ms	316 KB	Output is correct
42	Correct	1 ms	316 KB	Output is correct
43	Correct	9 ms	460 KB	Output is correct
44	Correct	9 ms	332 KB	Output is correct
45	Correct	31 ms	420 KB	Output is correct
46	Correct	30 ms	504 KB	Output is correct
47	Correct	67 ms	560 KB	Output is correct
48	Correct	67 ms	524 KB	Output is correct
49	Correct	126 ms	648 KB	Output is correct
50	Correct	139 ms	580 KB	Output is correct
51	Correct	237 ms	748 KB	Output is correct
52	Correct	235 ms	772 KB	Output is correct
53	Correct	81 ms	488 KB	Output is correct
54	Correct	77 ms	580 KB	Output is correct
55	Correct	73 ms	544 KB	Output is correct
56	Correct	66 ms	500 KB	Output is correct
57	Correct	76 ms	516 KB	Output is correct
58	Correct	94 ms	564 KB	Output is correct
59	Correct	74 ms	504 KB	Output is correct
60	Correct	72 ms	708 KB	Output is correct

Subtask #6
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2564 ms	640 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	352 KB	Output is correct
2	Correct	0 ms	320 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	185 ms	452 KB	Output is correct
6	Correct	2469 ms	976 KB	Output is correct
7	Execution timed out	2574 ms	600 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Submission #532049

Compilation message

Subtask #1 0 / 5.0

Subtask #2 0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
0 / 5.0

Subtask #2
0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0