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Submission #50266

# Submission time Handle Problem Language Result Execution time Memory
50266 2018-06-08T20:24:01 Z Bruteforceman Wiring (IOI17_wiring) C++11
100 / 100
 115 ms 123848 KB 
#include "bits/stdc++.h"
#include "wiring.h"
using namespace std;
const long long inf = 1e15;

vector <long long> dp[200010];
vector <int> group[200010];
vector <long long> first[200010], last[200010];
typedef pair <int, int> pii;

long long min_total_length(std::vector<int> r, std::vector<int> b) {
	int g = 0;
	int n = r.size();
	int m = b.size();
	vector <pii> v;
	for(int i = 0; i < n; i++) {
		v.emplace_back(r[i], 0);
	}
	for(int i = 0; i < m; i++) {
		v.emplace_back(b[i], 1);
	}
	sort(v.begin(), v.end());
	int prevc = -1;
	group[0].push_back(-1);
	for(int i = 0; i < n+m; i++) {
		if(prevc == v[i].second) {
			group[g].push_back(v[i].first);
		} else {
			++g;
			prevc = v[i].second;
			group[g].push_back(-1);
			group[g].push_back(v[i].first);
		}
	}
	for(int i = 0; i <= g; i++) {
		int sz = group[i].size() - 1;
		first[i].resize(sz + 1);
		last[i].resize(sz + 1);
		for(int j = 1; j <= sz; j++) {
			first[i][j] = first[i][j - 1] + group[i][j];
			last[i][j] = last[i][j - 1] + group[i][sz - j + 1];
		}
	}
	for(int i = 1; i <= g+1; i++) {
		int sz = group[i - 1].size() - 1;
		dp[i].resize(sz + 1);
		for(int j = 0; j <= sz; j++) {
			dp[i][j] = inf;
		}
	}
	dp[1][0] = 0;
	for(int i = 1; i <= g; i++) {
		int sz_prev = group[i - 1].size() - 1;
		int sz_cur = group[i].size() - 1;
		for(int j = sz_prev; j > 0; j--) {
			dp[i][j - 1] = min(dp[i][j - 1], dp[i][j] + abs(group[i - 1][sz_prev - j + 1] - group[i][1]));
		}
		for(int j = 0; j <= min(sz_cur, sz_prev); j++) {
			dp[i + 1][sz_cur - j] = min(dp[i + 1][sz_cur - j], dp[i][j] + abs(last[i - 1][j] - first[i][j]));
		}
		for(int j = sz_cur; j > 0; j--) {
			if(i == 1) break;
			dp[i + 1][j - 1] = min(dp[i + 1][j - 1], dp[i + 1][j] + abs(group[i][sz_cur - j + 1] - group[i - 1].back()));
		}
	}
	return dp[g + 1][0];
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19064 KB Output is correct
2 Correct 20 ms 19300 KB Output is correct
3 Correct 19 ms 19300 KB Output is correct
4 Correct 19 ms 19428 KB Output is correct
5 Correct 19 ms 19428 KB Output is correct
6 Correct 19 ms 19444 KB Output is correct
7 Correct 20 ms 19444 KB Output is correct
8 Correct 19 ms 19444 KB Output is correct
9 Correct 19 ms 19444 KB Output is correct
10 Correct 18 ms 19444 KB Output is correct
11 Correct 19 ms 19444 KB Output is correct
12 Correct 18 ms 19444 KB Output is correct
13 Correct 18 ms 19492 KB Output is correct
14 Correct 17 ms 19492 KB Output is correct
15 Correct 18 ms 19492 KB Output is correct
16 Correct 18 ms 19492 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 19492 KB Output is correct
2 Correct 17 ms 19492 KB Output is correct
3 Correct 59 ms 27596 KB Output is correct
4 Correct 99 ms 29064 KB Output is correct
5 Correct 55 ms 30744 KB Output is correct
6 Correct 64 ms 34744 KB Output is correct
7 Correct 69 ms 36872 KB Output is correct
8 Correct 69 ms 38868 KB Output is correct
9 Correct 110 ms 40704 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 40704 KB Output is correct
2 Correct 18 ms 40704 KB Output is correct
3 Correct 115 ms 46912 KB Output is correct
4 Correct 107 ms 46912 KB Output is correct
5 Correct 17 ms 46912 KB Output is correct
6 Correct 16 ms 46912 KB Output is correct
7 Correct 17 ms 46912 KB Output is correct
8 Correct 17 ms 46912 KB Output is correct
9 Correct 17 ms 46912 KB Output is correct
10 Correct 17 ms 46912 KB Output is correct
11 Correct 18 ms 46912 KB Output is correct
12 Correct 18 ms 46912 KB Output is correct
13 Correct 17 ms 46912 KB Output is correct
14 Correct 18 ms 46912 KB Output is correct
15 Correct 17 ms 46912 KB Output is correct
16 Correct 17 ms 46912 KB Output is correct
17 Correct 17 ms 46912 KB Output is correct
18 Correct 102 ms 50468 KB Output is correct
19 Correct 101 ms 52440 KB Output is correct
20 Correct 94 ms 52440 KB Output is correct
21 Correct 100 ms 56456 KB Output is correct
22 Correct 99 ms 57644 KB Output is correct
23 Correct 100 ms 59576 KB Output is correct
24 Correct 99 ms 61524 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 61524 KB Output is correct
2 Correct 71 ms 61524 KB Output is correct
3 Correct 88 ms 61756 KB Output is correct
4 Correct 74 ms 61756 KB Output is correct
5 Correct 85 ms 64308 KB Output is correct
6 Correct 17 ms 64308 KB Output is correct
7 Correct 17 ms 64308 KB Output is correct
8 Correct 18 ms 64308 KB Output is correct
9 Correct 17 ms 64308 KB Output is correct
10 Correct 18 ms 64308 KB Output is correct
11 Correct 17 ms 64308 KB Output is correct
12 Correct 18 ms 64308 KB Output is correct
13 Correct 18 ms 64308 KB Output is correct
14 Correct 18 ms 64308 KB Output is correct
15 Correct 17 ms 64308 KB Output is correct
16 Correct 17 ms 64308 KB Output is correct
17 Correct 19 ms 64308 KB Output is correct
18 Correct 71 ms 64308 KB Output is correct
19 Correct 72 ms 65248 KB Output is correct
20 Correct 70 ms 66636 KB Output is correct
21 Correct 64 ms 67740 KB Output is correct
22 Correct 67 ms 69136 KB Output is correct
23 Correct 62 ms 70292 KB Output is correct
24 Correct 64 ms 71656 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19064 KB Output is correct
2 Correct 20 ms 19300 KB Output is correct
3 Correct 19 ms 19300 KB Output is correct
4 Correct 19 ms 19428 KB Output is correct
5 Correct 19 ms 19428 KB Output is correct
6 Correct 19 ms 19444 KB Output is correct
7 Correct 20 ms 19444 KB Output is correct
8 Correct 19 ms 19444 KB Output is correct
9 Correct 19 ms 19444 KB Output is correct
10 Correct 18 ms 19444 KB Output is correct
11 Correct 19 ms 19444 KB Output is correct
12 Correct 18 ms 19444 KB Output is correct
13 Correct 18 ms 19492 KB Output is correct
14 Correct 17 ms 19492 KB Output is correct
15 Correct 18 ms 19492 KB Output is correct
16 Correct 18 ms 19492 KB Output is correct
17 Correct 18 ms 19492 KB Output is correct
18 Correct 17 ms 19492 KB Output is correct
19 Correct 59 ms 27596 KB Output is correct
20 Correct 99 ms 29064 KB Output is correct
21 Correct 55 ms 30744 KB Output is correct
22 Correct 64 ms 34744 KB Output is correct
23 Correct 69 ms 36872 KB Output is correct
24 Correct 69 ms 38868 KB Output is correct
25 Correct 110 ms 40704 KB Output is correct
26 Correct 21 ms 40704 KB Output is correct
27 Correct 18 ms 40704 KB Output is correct
28 Correct 115 ms 46912 KB Output is correct
29 Correct 107 ms 46912 KB Output is correct
30 Correct 17 ms 46912 KB Output is correct
31 Correct 16 ms 46912 KB Output is correct
32 Correct 17 ms 46912 KB Output is correct
33 Correct 17 ms 46912 KB Output is correct
34 Correct 17 ms 46912 KB Output is correct
35 Correct 17 ms 46912 KB Output is correct
36 Correct 18 ms 46912 KB Output is correct
37 Correct 18 ms 46912 KB Output is correct
38 Correct 17 ms 46912 KB Output is correct
39 Correct 18 ms 46912 KB Output is correct
40 Correct 17 ms 46912 KB Output is correct
41 Correct 17 ms 46912 KB Output is correct
42 Correct 17 ms 46912 KB Output is correct
43 Correct 102 ms 50468 KB Output is correct
44 Correct 101 ms 52440 KB Output is correct
45 Correct 94 ms 52440 KB Output is correct
46 Correct 100 ms 56456 KB Output is correct
47 Correct 99 ms 57644 KB Output is correct
48 Correct 100 ms 59576 KB Output is correct
49 Correct 99 ms 61524 KB Output is correct
50 Correct 17 ms 61524 KB Output is correct
51 Correct 71 ms 61524 KB Output is correct
52 Correct 88 ms 61756 KB Output is correct
53 Correct 74 ms 61756 KB Output is correct
54 Correct 85 ms 64308 KB Output is correct
55 Correct 17 ms 64308 KB Output is correct
56 Correct 17 ms 64308 KB Output is correct
57 Correct 18 ms 64308 KB Output is correct
58 Correct 17 ms 64308 KB Output is correct
59 Correct 18 ms 64308 KB Output is correct
60 Correct 17 ms 64308 KB Output is correct
61 Correct 18 ms 64308 KB Output is correct
62 Correct 18 ms 64308 KB Output is correct
63 Correct 18 ms 64308 KB Output is correct
64 Correct 17 ms 64308 KB Output is correct
65 Correct 17 ms 64308 KB Output is correct
66 Correct 19 ms 64308 KB Output is correct
67 Correct 71 ms 64308 KB Output is correct
68 Correct 72 ms 65248 KB Output is correct
69 Correct 70 ms 66636 KB Output is correct
70 Correct 64 ms 67740 KB Output is correct
71 Correct 67 ms 69136 KB Output is correct
72 Correct 62 ms 70292 KB Output is correct
73 Correct 64 ms 71656 KB Output is correct
74 Correct 66 ms 73452 KB Output is correct
75 Correct 71 ms 75000 KB Output is correct
76 Correct 76 ms 76964 KB Output is correct
77 Correct 68 ms 78384 KB Output is correct
78 Correct 70 ms 79792 KB Output is correct
79 Correct 68 ms 81156 KB Output is correct
80 Correct 69 ms 82540 KB Output is correct
81 Correct 74 ms 84084 KB Output is correct
82 Correct 65 ms 85280 KB Output is correct
83 Correct 70 ms 87172 KB Output is correct
84 Correct 63 ms 89056 KB Output is correct
85 Correct 89 ms 90784 KB Output is correct
86 Correct 73 ms 92844 KB Output is correct
87 Correct 68 ms 94848 KB Output is correct
88 Correct 72 ms 96596 KB Output is correct
89 Correct 69 ms 98460 KB Output is correct
90 Correct 77 ms 100512 KB Output is correct
91 Correct 74 ms 102472 KB Output is correct
92 Correct 79 ms 104420 KB Output is correct
93 Correct 71 ms 106256 KB Output is correct
94 Correct 74 ms 108180 KB Output is correct
95 Correct 74 ms 110124 KB Output is correct
96 Correct 67 ms 112216 KB Output is correct
97 Correct 69 ms 113912 KB Output is correct
98 Correct 69 ms 116124 KB Output is correct
99 Correct 70 ms 118028 KB Output is correct
100 Correct 76 ms 119796 KB Output is correct
101 Correct 69 ms 121696 KB Output is correct
102 Correct 84 ms 123848 KB Output is correct