답안 #733729

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
733729 2023-05-01T08:34:37 Z shoryu386 Let's Win the Election (JOI22_ho_t3) C++17
56 / 100
2500 ms 994520 KB
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define db float

#define MAX 502
vector<db> dp[MAX][MAX];
int n, k;
 
pair<db, db> info[MAX];

int maxcolab;
 
bool cmp(pair<db, db> a, pair<db, db> b){
	if (a.second == -1) a.second = 1000000000;
	if (b.second == -1) b.second = 1000000000;
	
	return a.second < b.second;
	
}
 
db recur(int idx, int colabCount, int voteCount){
	#define cringe info
	if (idx == n && voteCount >= k && maxcolab == colabCount) return 0;
	else if (idx == n) return 1000000000;
	
	if (dp[idx][colabCount][voteCount] != -1) return dp[idx][colabCount][voteCount];
	if (cringe[idx].second == -1) return dp[idx][colabCount][voteCount] = min(recur(idx+1, colabCount, voteCount), recur(idx+1, colabCount, voteCount+1) + cringe[idx].first/maxcolab);
	return dp[idx][colabCount][voteCount] = min({recur(idx+1, colabCount, voteCount), recur(idx+1, colabCount, voteCount+1) + cringe[idx].first/maxcolab, recur(idx+1, colabCount+1, voteCount+1) + cringe[idx].second/colabCount});
}
db ans = 1000000000000000LL;
db query(int x){
	for (int a = 0; a <= n; a++) for (int y = 0; y <= n+1; y++) {dp[a][y].clear(); dp[a][y].reserve(n); for (int z = 0; z <= n; z++) dp[a][y].push_back(-1);}
	maxcolab = x;
	db r = recur(0, 1, 0);
	ans = min(ans, r);
	return r;
}

signed main(){

	cin >> n >> k;
	
	for (int x = 0; x < n; x++) cin >> info[x].first >> info[x].second;
	
	sort(info, info+n, cmp);
	
	int l = 1, r = n+1;
	while (r - l >= 3){
		int m1 = l + (r-l)/3;
		int m2 = r - (r-l)/3;
		
		if (query(m1) > query(m2)){
			l = m1;
		}
		else{
			r = m2;
		}
	}
	for (int i = l; i <= r; i++){
		ans = min(ans, query(i));
	}

	cout << std::setprecision(9) << ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 3 ms 6100 KB Output is correct
3 Correct 3 ms 6100 KB Output is correct
4 Correct 3 ms 6100 KB Output is correct
5 Execution timed out 2631 ms 994460 KB Time limit exceeded
6 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 3 ms 6100 KB Output is correct
3 Correct 3 ms 6100 KB Output is correct
4 Correct 3 ms 6100 KB Output is correct
5 Execution timed out 2631 ms 994460 KB Time limit exceeded
6 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6220 KB Output is correct
2 Correct 4 ms 6228 KB Output is correct
3 Correct 3 ms 6228 KB Output is correct
4 Correct 5 ms 6228 KB Output is correct
5 Correct 4 ms 6228 KB Output is correct
6 Correct 3 ms 6100 KB Output is correct
7 Correct 5 ms 6228 KB Output is correct
8 Correct 4 ms 6100 KB Output is correct
9 Correct 4 ms 6228 KB Output is correct
10 Correct 5 ms 6228 KB Output is correct
11 Correct 5 ms 6228 KB Output is correct
12 Correct 4 ms 6112 KB Output is correct
13 Correct 4 ms 6100 KB Output is correct
14 Correct 5 ms 6100 KB Output is correct
15 Correct 3 ms 6136 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6220 KB Output is correct
2 Correct 4 ms 6228 KB Output is correct
3 Correct 3 ms 6228 KB Output is correct
4 Correct 5 ms 6228 KB Output is correct
5 Correct 4 ms 6228 KB Output is correct
6 Correct 3 ms 6100 KB Output is correct
7 Correct 5 ms 6228 KB Output is correct
8 Correct 4 ms 6100 KB Output is correct
9 Correct 4 ms 6228 KB Output is correct
10 Correct 5 ms 6228 KB Output is correct
11 Correct 5 ms 6228 KB Output is correct
12 Correct 4 ms 6112 KB Output is correct
13 Correct 4 ms 6100 KB Output is correct
14 Correct 5 ms 6100 KB Output is correct
15 Correct 3 ms 6136 KB Output is correct
16 Correct 6 ms 6228 KB Output is correct
17 Correct 5 ms 6252 KB Output is correct
18 Correct 5 ms 6168 KB Output is correct
19 Correct 6 ms 6192 KB Output is correct
20 Correct 5 ms 6228 KB Output is correct
21 Correct 5 ms 6228 KB Output is correct
22 Correct 4 ms 6228 KB Output is correct
23 Correct 4 ms 6228 KB Output is correct
24 Correct 4 ms 6228 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 5 ms 6228 KB Output is correct
27 Correct 5 ms 6228 KB Output is correct
28 Correct 6 ms 6240 KB Output is correct
29 Correct 6 ms 6308 KB Output is correct
30 Correct 5 ms 6256 KB Output is correct
31 Correct 6 ms 6236 KB Output is correct
32 Correct 5 ms 6240 KB Output is correct
33 Correct 6 ms 6240 KB Output is correct
34 Correct 5 ms 6240 KB Output is correct
35 Correct 5 ms 6240 KB Output is correct
36 Correct 5 ms 6240 KB Output is correct
37 Correct 5 ms 6240 KB Output is correct
38 Correct 6 ms 6252 KB Output is correct
39 Correct 5 ms 6184 KB Output is correct
40 Correct 6 ms 6228 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6220 KB Output is correct
2 Correct 4 ms 6228 KB Output is correct
3 Correct 3 ms 6228 KB Output is correct
4 Correct 5 ms 6228 KB Output is correct
5 Correct 4 ms 6228 KB Output is correct
6 Correct 3 ms 6100 KB Output is correct
7 Correct 5 ms 6228 KB Output is correct
8 Correct 4 ms 6100 KB Output is correct
9 Correct 4 ms 6228 KB Output is correct
10 Correct 5 ms 6228 KB Output is correct
11 Correct 5 ms 6228 KB Output is correct
12 Correct 4 ms 6112 KB Output is correct
13 Correct 4 ms 6100 KB Output is correct
14 Correct 5 ms 6100 KB Output is correct
15 Correct 3 ms 6136 KB Output is correct
16 Correct 6 ms 6228 KB Output is correct
17 Correct 5 ms 6252 KB Output is correct
18 Correct 5 ms 6168 KB Output is correct
19 Correct 6 ms 6192 KB Output is correct
20 Correct 5 ms 6228 KB Output is correct
21 Correct 5 ms 6228 KB Output is correct
22 Correct 4 ms 6228 KB Output is correct
23 Correct 4 ms 6228 KB Output is correct
24 Correct 4 ms 6228 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 5 ms 6228 KB Output is correct
27 Correct 5 ms 6228 KB Output is correct
28 Correct 6 ms 6240 KB Output is correct
29 Correct 6 ms 6308 KB Output is correct
30 Correct 5 ms 6256 KB Output is correct
31 Correct 6 ms 6236 KB Output is correct
32 Correct 5 ms 6240 KB Output is correct
33 Correct 6 ms 6240 KB Output is correct
34 Correct 5 ms 6240 KB Output is correct
35 Correct 5 ms 6240 KB Output is correct
36 Correct 5 ms 6240 KB Output is correct
37 Correct 5 ms 6240 KB Output is correct
38 Correct 6 ms 6252 KB Output is correct
39 Correct 5 ms 6184 KB Output is correct
40 Correct 6 ms 6228 KB Output is correct
41 Correct 211 ms 14432 KB Output is correct
42 Correct 204 ms 14420 KB Output is correct
43 Correct 223 ms 14444 KB Output is correct
44 Correct 197 ms 14432 KB Output is correct
45 Correct 207 ms 14428 KB Output is correct
46 Correct 191 ms 14436 KB Output is correct
47 Correct 214 ms 14424 KB Output is correct
48 Correct 168 ms 14420 KB Output is correct
49 Correct 208 ms 14448 KB Output is correct
50 Correct 178 ms 14428 KB Output is correct
51 Correct 214 ms 14420 KB Output is correct
52 Correct 197 ms 14436 KB Output is correct
53 Correct 203 ms 14428 KB Output is correct
54 Correct 213 ms 14432 KB Output is correct
55 Correct 199 ms 14428 KB Output is correct
56 Correct 191 ms 14432 KB Output is correct
57 Correct 192 ms 14428 KB Output is correct
58 Correct 195 ms 14432 KB Output is correct
59 Correct 208 ms 14444 KB Output is correct
60 Correct 235 ms 14440 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2585 ms 994520 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 3 ms 6100 KB Output is correct
3 Correct 3 ms 6100 KB Output is correct
4 Correct 3 ms 6100 KB Output is correct
5 Execution timed out 2631 ms 994460 KB Time limit exceeded
6 Halted 0 ms 0 KB -