oj.uz

Submission #56215

# Submission time Handle Problem Language Result Execution time Memory
56215 2018-07-10T09:13:14 Z fallingstar Wiring (IOI17_wiring) C++14
100 / 100
 96 ms 94848 KB 
#include "wiring.h"
#include <algorithm>
#include <vector>
#include <queue>

#define long long long

using namespace std;

typedef pair<int, int> pii;

const int N = 2e5 + 2;
const long INF = 1LL << 60;

int n;
long f[N], pref[N], suff[N];
pair<int, bool> a[N];

long Solve()
{
    sort(a + 1, a + 1 + n);
    int lastL = 0, lastR = 0, gap = 0;
    long rsum = 0;
    for (int i = 1; i <= n; ++i)
    {
        if (i > 1 && a[i].second != a[i - 1].second)
        {
            lastL = lastR + 1;
            lastR = i - 1;
            gap = a[i].first - a[i - 1].first;
            pref[lastL - 1] = suff[lastR + 1] = INF;
            long lsum = 0;
            for (int j = lastR; j >= lastL; --j)
            {
                lsum += a[lastR].first - a[j].first;
                suff[j] = min(suff[j + 1], min(f[j - 1], f[j]) + lsum);
                pref[j] = min(f[j - 1], f[j]) + lsum + (long) (lastR - j + 1) * gap;
            }
            for (int j = lastL + 1; j <= lastR; ++j)
                pref[j] = min(pref[j], pref[j - 1]);
            rsum = 0;
        }
        rsum += a[i].first - a[lastR + 1].first;
        f[i] = INF;
        if (lastR != 0)
        {
            f[i] = min(f[i], suff[max(lastR * 2 - i + 1, lastL)] + (long) (i - lastR) * gap + rsum);
            
            f[i] = min(f[i], pref[max(lastR * 2 - i + 1, lastL) - 1] + rsum);
        }
    }
    return f[n];
}

long min_total_length(vector<int> r_, vector<int> b_) {
    for (int p: r_) a[++n] = {p, 0};
    for (int p: b_) a[++n] = {p, 1};
	return Solve();
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 2 ms 400 KB Output is correct
4 Correct 2 ms 528 KB Output is correct
5 Correct 2 ms 528 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 688 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 3 ms 736 KB Output is correct
15 Correct 3 ms 736 KB Output is correct
16 Correct 2 ms 736 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 736 KB Output is correct
2 Correct 2 ms 736 KB Output is correct
3 Correct 34 ms 5832 KB Output is correct
4 Correct 43 ms 7352 KB Output is correct
5 Correct 33 ms 7924 KB Output is correct
6 Correct 45 ms 11940 KB Output is correct
7 Correct 51 ms 13880 KB Output is correct
8 Correct 44 ms 15708 KB Output is correct
9 Correct 45 ms 17764 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 17764 KB Output is correct
2 Correct 3 ms 17764 KB Output is correct
3 Correct 73 ms 19952 KB Output is correct
4 Correct 83 ms 21588 KB Output is correct
5 Correct 2 ms 21588 KB Output is correct
6 Correct 2 ms 21588 KB Output is correct
7 Correct 2 ms 21588 KB Output is correct
8 Correct 2 ms 21588 KB Output is correct
9 Correct 2 ms 21588 KB Output is correct
10 Correct 2 ms 21588 KB Output is correct
11 Correct 1 ms 21588 KB Output is correct
12 Correct 3 ms 21588 KB Output is correct
13 Correct 2 ms 21588 KB Output is correct
14 Correct 3 ms 21588 KB Output is correct
15 Correct 3 ms 21588 KB Output is correct
16 Correct 2 ms 21588 KB Output is correct
17 Correct 3 ms 21588 KB Output is correct
18 Correct 77 ms 23604 KB Output is correct
19 Correct 76 ms 25548 KB Output is correct
20 Correct 77 ms 27476 KB Output is correct
21 Correct 68 ms 29424 KB Output is correct
22 Correct 86 ms 31368 KB Output is correct
23 Correct 73 ms 33296 KB Output is correct
24 Correct 66 ms 35196 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 35196 KB Output is correct
2 Correct 50 ms 35196 KB Output is correct
3 Correct 52 ms 35196 KB Output is correct
4 Correct 59 ms 35196 KB Output is correct
5 Correct 86 ms 35196 KB Output is correct
6 Correct 3 ms 35196 KB Output is correct
7 Correct 2 ms 35196 KB Output is correct
8 Correct 2 ms 35196 KB Output is correct
9 Correct 3 ms 35196 KB Output is correct
10 Correct 3 ms 35196 KB Output is correct
11 Correct 2 ms 35196 KB Output is correct
12 Correct 3 ms 35196 KB Output is correct
13 Correct 2 ms 35196 KB Output is correct
14 Correct 3 ms 35196 KB Output is correct
15 Correct 2 ms 35196 KB Output is correct
16 Correct 2 ms 35196 KB Output is correct
17 Correct 2 ms 35196 KB Output is correct
18 Correct 49 ms 35196 KB Output is correct
19 Correct 96 ms 36416 KB Output is correct
20 Correct 71 ms 37676 KB Output is correct
21 Correct 74 ms 38932 KB Output is correct
22 Correct 83 ms 40060 KB Output is correct
23 Correct 63 ms 40944 KB Output is correct
24 Correct 50 ms 42332 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 2 ms 400 KB Output is correct
4 Correct 2 ms 528 KB Output is correct
5 Correct 2 ms 528 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 688 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 3 ms 736 KB Output is correct
15 Correct 3 ms 736 KB Output is correct
16 Correct 2 ms 736 KB Output is correct
17 Correct 2 ms 736 KB Output is correct
18 Correct 2 ms 736 KB Output is correct
19 Correct 34 ms 5832 KB Output is correct
20 Correct 43 ms 7352 KB Output is correct
21 Correct 33 ms 7924 KB Output is correct
22 Correct 45 ms 11940 KB Output is correct
23 Correct 51 ms 13880 KB Output is correct
24 Correct 44 ms 15708 KB Output is correct
25 Correct 45 ms 17764 KB Output is correct
26 Correct 2 ms 17764 KB Output is correct
27 Correct 3 ms 17764 KB Output is correct
28 Correct 73 ms 19952 KB Output is correct
29 Correct 83 ms 21588 KB Output is correct
30 Correct 2 ms 21588 KB Output is correct
31 Correct 2 ms 21588 KB Output is correct
32 Correct 2 ms 21588 KB Output is correct
33 Correct 2 ms 21588 KB Output is correct
34 Correct 2 ms 21588 KB Output is correct
35 Correct 2 ms 21588 KB Output is correct
36 Correct 1 ms 21588 KB Output is correct
37 Correct 3 ms 21588 KB Output is correct
38 Correct 2 ms 21588 KB Output is correct
39 Correct 3 ms 21588 KB Output is correct
40 Correct 3 ms 21588 KB Output is correct
41 Correct 2 ms 21588 KB Output is correct
42 Correct 3 ms 21588 KB Output is correct
43 Correct 77 ms 23604 KB Output is correct
44 Correct 76 ms 25548 KB Output is correct
45 Correct 77 ms 27476 KB Output is correct
46 Correct 68 ms 29424 KB Output is correct
47 Correct 86 ms 31368 KB Output is correct
48 Correct 73 ms 33296 KB Output is correct
49 Correct 66 ms 35196 KB Output is correct
50 Correct 2 ms 35196 KB Output is correct
51 Correct 50 ms 35196 KB Output is correct
52 Correct 52 ms 35196 KB Output is correct
53 Correct 59 ms 35196 KB Output is correct
54 Correct 86 ms 35196 KB Output is correct
55 Correct 3 ms 35196 KB Output is correct
56 Correct 2 ms 35196 KB Output is correct
57 Correct 2 ms 35196 KB Output is correct
58 Correct 3 ms 35196 KB Output is correct
59 Correct 3 ms 35196 KB Output is correct
60 Correct 2 ms 35196 KB Output is correct
61 Correct 3 ms 35196 KB Output is correct
62 Correct 2 ms 35196 KB Output is correct
63 Correct 3 ms 35196 KB Output is correct
64 Correct 2 ms 35196 KB Output is correct
65 Correct 2 ms 35196 KB Output is correct
66 Correct 2 ms 35196 KB Output is correct
67 Correct 49 ms 35196 KB Output is correct
68 Correct 96 ms 36416 KB Output is correct
69 Correct 71 ms 37676 KB Output is correct
70 Correct 74 ms 38932 KB Output is correct
71 Correct 83 ms 40060 KB Output is correct
72 Correct 63 ms 40944 KB Output is correct
73 Correct 50 ms 42332 KB Output is correct
74 Correct 50 ms 44748 KB Output is correct
75 Correct 59 ms 46396 KB Output is correct
76 Correct 62 ms 48360 KB Output is correct
77 Correct 74 ms 49588 KB Output is correct
78 Correct 51 ms 50972 KB Output is correct
79 Correct 75 ms 52304 KB Output is correct
80 Correct 58 ms 53656 KB Output is correct
81 Correct 58 ms 55144 KB Output is correct
82 Correct 65 ms 56440 KB Output is correct
83 Correct 41 ms 57208 KB Output is correct
84 Correct 63 ms 59172 KB Output is correct
85 Correct 84 ms 62012 KB Output is correct
86 Correct 79 ms 63460 KB Output is correct
87 Correct 60 ms 65252 KB Output is correct
88 Correct 65 ms 67824 KB Output is correct
89 Correct 66 ms 69776 KB Output is correct
90 Correct 73 ms 71708 KB Output is correct
91 Correct 56 ms 73656 KB Output is correct
92 Correct 55 ms 75596 KB Output is correct
93 Correct 63 ms 77536 KB Output is correct
94 Correct 57 ms 79340 KB Output is correct
95 Correct 73 ms 81384 KB Output is correct
96 Correct 52 ms 82692 KB Output is correct
97 Correct 53 ms 85192 KB Output is correct
98 Correct 57 ms 86956 KB Output is correct
99 Correct 86 ms 88876 KB Output is correct
100 Correct 60 ms 91064 KB Output is correct
101 Correct 62 ms 93000 KB Output is correct
102 Correct 87 ms 94848 KB Output is correct