oj.uz

Submission #603949

# Submission time Handle Problem Language Result Execution time Memory
603949 2022-07-24T13:50:41 Z denniskim Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 651 ms 4428 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef __int128 lll;
typedef long double ld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second

ll n, k;
pair<ll, ll> a[510];
vector<ll> vec;
ll suma[510];
ld ans = INF;
ld dp[510][510];

int main(void)
{
	scanf("%lld", &n);
	scanf("%lld", &k);
	
	for(ll i = 1 ; i <= n ; i++)
	{
		scanf("%lld %lld", &a[i].se, &a[i].fi);
		
		if(a[i].fi == -1)
			a[i].fi = 10000000000;
		
		a[i].se *= -1;
	}
	
	sort(a + 1, a + 1 + n);
	
	for(ll i = 1 ; i <= n ; i++)
		a[i].se *= -1;
	
	for(ll i = n ; i >= 0 ; i--)
	{
		sort(vec.begin(), vec.end());
		
		for(ll j = i ; j < k ; j++)
			suma[i] += vec[j - i];
		
		vec.push_back(a[i].se);
	}
	
	for(ll i = 0 ; i <= k ; i++)
	{
		for(ll j = 0 ; j <= n ; j++)
		{
			for(ll o = 0 ; o <= n ; o++)
				dp[j][o] = INF;
		}
		
		dp[0][0] = 0;
		
		for(ll j = 1 ; j <= n ; j++)
		{
			dp[j][0] = dp[j - 1][0] + (ld)a[j].se / (ld)(i + 1);
			
			for(ll o = 1 ; o <= i ; o++)
				dp[j][o] = min(dp[j - 1][o] + (ld)a[j].se / (ld)(i + 1), dp[j - 1][o - 1] + (ld)a[j].fi / (ld)o);
		}
		
		for(ll j = i ; j <= n ; j++)
			ans = min(ans, dp[j][i] + (ld)suma[j] / (ld)(i + 1));
	}
	
	printf("%.10Lf", ans);
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |  scanf("%lld", &n);
      |  ~~~~~^~~~~~~~~~~~
Main.cpp:23:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |  scanf("%lld", &k);
      |  ~~~~~^~~~~~~~~~~~
Main.cpp:27:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |   scanf("%lld %lld", &a[i].se, &a[i].fi);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 30 ms 4324 KB Output is correct
6 Correct 114 ms 4304 KB Output is correct
7 Correct 201 ms 4308 KB Output is correct
8 Correct 362 ms 4308 KB Output is correct
9 Correct 606 ms 4308 KB Output is correct
10 Correct 400 ms 4428 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 30 ms 4324 KB Output is correct
6 Correct 114 ms 4304 KB Output is correct
7 Correct 201 ms 4308 KB Output is correct
8 Correct 362 ms 4308 KB Output is correct
9 Correct 606 ms 4308 KB Output is correct
10 Correct 400 ms 4428 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 127 ms 4304 KB Output is correct
13 Correct 105 ms 4308 KB Output is correct
14 Correct 100 ms 4304 KB Output is correct
15 Correct 450 ms 4308 KB Output is correct
16 Correct 333 ms 4308 KB Output is correct
17 Correct 343 ms 4276 KB Output is correct
18 Correct 593 ms 4308 KB Output is correct
19 Correct 572 ms 4308 KB Output is correct
20 Correct 617 ms 4428 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 316 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 316 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 312 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 360 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 316 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 312 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 312 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 312 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 340 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 316 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 312 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 360 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 316 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 312 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 312 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 312 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 852 KB Output is correct
42 Correct 1 ms 852 KB Output is correct
43 Correct 2 ms 824 KB Output is correct
44 Correct 2 ms 852 KB Output is correct
45 Correct 2 ms 852 KB Output is correct
46 Correct 2 ms 852 KB Output is correct
47 Correct 3 ms 852 KB Output is correct
48 Correct 5 ms 852 KB Output is correct
49 Correct 5 ms 824 KB Output is correct
50 Correct 5 ms 852 KB Output is correct
51 Correct 6 ms 852 KB Output is correct
52 Correct 6 ms 852 KB Output is correct
53 Correct 3 ms 852 KB Output is correct
54 Correct 3 ms 852 KB Output is correct
55 Correct 3 ms 852 KB Output is correct
56 Correct 3 ms 852 KB Output is correct
57 Correct 3 ms 852 KB Output is correct
58 Correct 3 ms 928 KB Output is correct
59 Correct 6 ms 852 KB Output is correct
60 Correct 4 ms 852 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 637 ms 4316 KB Output is correct
2 Correct 576 ms 4308 KB Output is correct
3 Correct 609 ms 4308 KB Output is correct
4 Correct 651 ms 4308 KB Output is correct
5 Correct 598 ms 4304 KB Output is correct
6 Correct 599 ms 4308 KB Output is correct
7 Correct 636 ms 4300 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 30 ms 4324 KB Output is correct
6 Correct 114 ms 4304 KB Output is correct
7 Correct 201 ms 4308 KB Output is correct
8 Correct 362 ms 4308 KB Output is correct
9 Correct 606 ms 4308 KB Output is correct
10 Correct 400 ms 4428 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 127 ms 4304 KB Output is correct
13 Correct 105 ms 4308 KB Output is correct
14 Correct 100 ms 4304 KB Output is correct
15 Correct 450 ms 4308 KB Output is correct
16 Correct 333 ms 4308 KB Output is correct
17 Correct 343 ms 4276 KB Output is correct
18 Correct 593 ms 4308 KB Output is correct
19 Correct 572 ms 4308 KB Output is correct
20 Correct 617 ms 4428 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 312 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 312 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 316 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 312 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 312 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 360 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 316 KB Output is correct
49 Correct 1 ms 304 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 312 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 0 ms 312 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 312 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 852 KB Output is correct
62 Correct 1 ms 852 KB Output is correct
63 Correct 2 ms 824 KB Output is correct
64 Correct 2 ms 852 KB Output is correct
65 Correct 2 ms 852 KB Output is correct
66 Correct 2 ms 852 KB Output is correct
67 Correct 3 ms 852 KB Output is correct
68 Correct 5 ms 852 KB Output is correct
69 Correct 5 ms 824 KB Output is correct
70 Correct 5 ms 852 KB Output is correct
71 Correct 6 ms 852 KB Output is correct
72 Correct 6 ms 852 KB Output is correct
73 Correct 3 ms 852 KB Output is correct
74 Correct 3 ms 852 KB Output is correct
75 Correct 3 ms 852 KB Output is correct
76 Correct 3 ms 852 KB Output is correct
77 Correct 3 ms 852 KB Output is correct
78 Correct 3 ms 928 KB Output is correct
79 Correct 6 ms 852 KB Output is correct
80 Correct 4 ms 852 KB Output is correct
81 Correct 637 ms 4316 KB Output is correct
82 Correct 576 ms 4308 KB Output is correct
83 Correct 609 ms 4308 KB Output is correct
84 Correct 651 ms 4308 KB Output is correct
85 Correct 598 ms 4304 KB Output is correct
86 Correct 599 ms 4308 KB Output is correct
87 Correct 636 ms 4300 KB Output is correct
88 Correct 32 ms 4316 KB Output is correct
89 Correct 37 ms 4308 KB Output is correct
90 Correct 93 ms 4276 KB Output is correct
91 Correct 80 ms 4308 KB Output is correct
92 Correct 227 ms 4304 KB Output is correct
93 Correct 210 ms 4308 KB Output is correct
94 Correct 383 ms 4308 KB Output is correct
95 Correct 382 ms 4312 KB Output is correct
96 Correct 523 ms 4308 KB Output is correct
97 Correct 523 ms 4308 KB Output is correct
98 Correct 337 ms 4308 KB Output is correct
99 Correct 418 ms 4304 KB Output is correct
100 Correct 352 ms 4308 KB Output is correct
101 Correct 355 ms 4308 KB Output is correct
102 Correct 337 ms 4308 KB Output is correct
103 Correct 330 ms 4308 KB Output is correct
104 Correct 382 ms 4308 KB Output is correct
105 Correct 329 ms 4308 KB Output is correct