oj.uz

Submission #638918

# Submission time Handle Problem Language Result Execution time Memory
638918 2022-09-08T01:06:48 Z penguin133 Let's Win the Election (JOI22_ho_t3) C++14
100 / 100
 1575 ms 4436 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define pii pair<int, pair<int, int> > 
#define fi first
#define se second
int n,k;
pair<long double, long double> A[300005];
bool cmp(pair<long double, long double> a, pair<long double, long double> b){
	return a.se < b.se;
}
long double dp[505][505];
void solve(){
	cin >> n >> k;
	int cnt = 0;
	for(int i=1;i<=n;i++){
		cin >> A[i].fi >> A[i].se;
		if(A[i].se == -1)A[i].se = 1e18;
		else cnt++;
	}
	sort(A+1, A+n+1, cmp);
	long double ans = 1e18;
	for(int y=0;y<=min(k, cnt);y++){
		for(int i=0;i<=n;i++)for(int j=0;j<=n;j++)dp[i][j] = 1e18;
		dp[0][0] = 0;
		for(int i=1;i<=n;i++){
			for(int j=0;j<=i;j++){
				dp[i][j] = 1e18;
				if(j)dp[i][j] = min(dp[i][j], dp[i-1][j-1] + A[i].fi/(y+1));
				if(i-j <= y && j != i)dp[i][j] = min(dp[i][j], dp[i-1][j] + A[i].se/(i-j));
				else dp[i][j] = min(dp[i][j], dp[i-1][j]);
			}
		}
		ans = min(ans, dp[n][k-y]);
	}
	
	
	
	cout << fixed << setprecision(12) << ans;
}
 
main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--){
		solve();
	}
}

Compilation message

Main.cpp:43:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   43 | main(){
      | ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 6 ms 4316 KB Output is correct
6 Correct 6 ms 4292 KB Output is correct
7 Correct 5 ms 4308 KB Output is correct
8 Correct 6 ms 4308 KB Output is correct
9 Correct 6 ms 4324 KB Output is correct
10 Correct 6 ms 4320 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 6 ms 4316 KB Output is correct
6 Correct 6 ms 4292 KB Output is correct
7 Correct 5 ms 4308 KB Output is correct
8 Correct 6 ms 4308 KB Output is correct
9 Correct 6 ms 4324 KB Output is correct
10 Correct 6 ms 4320 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 456 ms 4308 KB Output is correct
13 Correct 463 ms 4308 KB Output is correct
14 Correct 318 ms 4432 KB Output is correct
15 Correct 1097 ms 4300 KB Output is correct
16 Correct 897 ms 4308 KB Output is correct
17 Correct 297 ms 4308 KB Output is correct
18 Correct 1517 ms 4308 KB Output is correct
19 Correct 951 ms 4308 KB Output is correct
20 Correct 276 ms 4428 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 324 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 324 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 324 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 324 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 3 ms 844 KB Output is correct
42 Correct 3 ms 852 KB Output is correct
43 Correct 5 ms 924 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 7 ms 852 KB Output is correct
46 Correct 7 ms 852 KB Output is correct
47 Correct 9 ms 928 KB Output is correct
48 Correct 11 ms 980 KB Output is correct
49 Correct 11 ms 852 KB Output is correct
50 Correct 11 ms 852 KB Output is correct
51 Correct 13 ms 852 KB Output is correct
52 Correct 11 ms 852 KB Output is correct
53 Correct 10 ms 840 KB Output is correct
54 Correct 9 ms 928 KB Output is correct
55 Correct 11 ms 920 KB Output is correct
56 Correct 9 ms 924 KB Output is correct
57 Correct 9 ms 920 KB Output is correct
58 Correct 10 ms 852 KB Output is correct
59 Correct 9 ms 928 KB Output is correct
60 Correct 9 ms 852 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1546 ms 4312 KB Output is correct
2 Correct 1510 ms 4308 KB Output is correct
3 Correct 1535 ms 4308 KB Output is correct
4 Correct 1575 ms 4308 KB Output is correct
5 Correct 1556 ms 4308 KB Output is correct
6 Correct 1552 ms 4304 KB Output is correct
7 Correct 1543 ms 4308 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 6 ms 4316 KB Output is correct
6 Correct 6 ms 4292 KB Output is correct
7 Correct 5 ms 4308 KB Output is correct
8 Correct 6 ms 4308 KB Output is correct
9 Correct 6 ms 4324 KB Output is correct
10 Correct 6 ms 4320 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 456 ms 4308 KB Output is correct
13 Correct 463 ms 4308 KB Output is correct
14 Correct 318 ms 4432 KB Output is correct
15 Correct 1097 ms 4300 KB Output is correct
16 Correct 897 ms 4308 KB Output is correct
17 Correct 297 ms 4308 KB Output is correct
18 Correct 1517 ms 4308 KB Output is correct
19 Correct 951 ms 4308 KB Output is correct
20 Correct 276 ms 4428 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 328 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 320 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 324 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 352 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 324 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 324 KB Output is correct
58 Correct 1 ms 328 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 3 ms 844 KB Output is correct
62 Correct 3 ms 852 KB Output is correct
63 Correct 5 ms 924 KB Output is correct
64 Correct 4 ms 852 KB Output is correct
65 Correct 7 ms 852 KB Output is correct
66 Correct 7 ms 852 KB Output is correct
67 Correct 9 ms 928 KB Output is correct
68 Correct 11 ms 980 KB Output is correct
69 Correct 11 ms 852 KB Output is correct
70 Correct 11 ms 852 KB Output is correct
71 Correct 13 ms 852 KB Output is correct
72 Correct 11 ms 852 KB Output is correct
73 Correct 10 ms 840 KB Output is correct
74 Correct 9 ms 928 KB Output is correct
75 Correct 11 ms 920 KB Output is correct
76 Correct 9 ms 924 KB Output is correct
77 Correct 9 ms 920 KB Output is correct
78 Correct 10 ms 852 KB Output is correct
79 Correct 9 ms 928 KB Output is correct
80 Correct 9 ms 852 KB Output is correct
81 Correct 1546 ms 4312 KB Output is correct
82 Correct 1510 ms 4308 KB Output is correct
83 Correct 1535 ms 4308 KB Output is correct
84 Correct 1575 ms 4308 KB Output is correct
85 Correct 1556 ms 4308 KB Output is correct
86 Correct 1552 ms 4304 KB Output is correct
87 Correct 1543 ms 4308 KB Output is correct
88 Correct 161 ms 4308 KB Output is correct
89 Correct 158 ms 4308 KB Output is correct
90 Correct 369 ms 4308 KB Output is correct
91 Correct 380 ms 4308 KB Output is correct
92 Correct 747 ms 4308 KB Output is correct
93 Correct 755 ms 4316 KB Output is correct
94 Correct 1168 ms 4316 KB Output is correct
95 Correct 1149 ms 4428 KB Output is correct
96 Correct 1425 ms 4308 KB Output is correct
97 Correct 1390 ms 4308 KB Output is correct
98 Correct 1055 ms 4308 KB Output is correct
99 Correct 1129 ms 4308 KB Output is correct
100 Correct 1071 ms 4308 KB Output is correct
101 Correct 1073 ms 4308 KB Output is correct
102 Correct 1055 ms 4436 KB Output is correct
103 Correct 1134 ms 4308 KB Output is correct
104 Correct 1091 ms 4308 KB Output is correct
105 Correct 1069 ms 4308 KB Output is correct