oj.uz

Submission #94470

# Submission time Handle Problem Language Result Execution time Memory
94470 2019-01-19T02:30:49 Z wxh010910 Wiring (IOI17_wiring) C++17
100 / 100
 43 ms 9464 KB 
#include <bits/stdc++.h>
#include "wiring.h"

using namespace std;

long long min_total_length(vector<int> r, vector<int> b) {
  int n = r.size(), m = b.size();
  vector<pair<int, int>> all;
  for (int i = 0, j = 0; i < n; ++i) {
    while (j < m && b[j] < r[i]) {
      all.emplace_back(b[j++], 1);
    }
    all.emplace_back(r[i], -1);
    if (i == n - 1) {
      while (j < m) {
        all.emplace_back(b[j++], 1);
      }
    }
  }
  vector<int> pref(n + m + 1, -1);
  vector<long long> dp(n + m + 1);
  vector<long long> sum(n + m + 1);
  int cur = n;
  pref[cur] = 0;
  for (int i = 0, ptr_r = 0, ptr_b = 0; i < n + m; ++i) {
    sum[i + 1] = sum[i] + all[i].first * all[i].second;
    cur += all[i].second;
    if (all[i].second == -1) {
      while (ptr_b < m && b[ptr_b] < all[i].first) {
        ++ptr_b;
      }
      if (!ptr_b) {
        dp[i + 1] = dp[i] + b[ptr_b] - all[i].first;
      } else if (ptr_b == m) {
        dp[i + 1] = dp[i] + all[i].first - b[ptr_b - 1];
      } else {
        dp[i + 1] = dp[i] + min(b[ptr_b] - all[i].first, all[i].first - b[ptr_b - 1]);
      }
    } else {
      while (ptr_r < n && r[ptr_r] < all[i].first) {
        ++ptr_r;
      }
      if (!ptr_r) {
        dp[i + 1] = dp[i] + r[ptr_r] - all[i].first;
      } else if (ptr_r == n) {
        dp[i + 1] = dp[i] + all[i].first - r[ptr_r - 1];
      } else {
        dp[i + 1] = dp[i] + min(r[ptr_r] - all[i].first, all[i].first - r[ptr_r - 1]);
      }
    }
    if (pref[cur] != -1) {
      dp[i + 1] = min(dp[i + 1], dp[pref[cur]] + abs(sum[i + 1] - sum[pref[cur]]));
    }
    pref[cur] = i + 1;
  }
  return dp[n + m];
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 420 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 27 ms 7016 KB Output is correct
4 Correct 29 ms 7144 KB Output is correct
5 Correct 29 ms 7016 KB Output is correct
6 Correct 37 ms 9444 KB Output is correct
7 Correct 39 ms 9320 KB Output is correct
8 Correct 40 ms 9312 KB Output is correct
9 Correct 38 ms 9320 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 38 ms 9308 KB Output is correct
4 Correct 33 ms 9064 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 7 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 248 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 40 ms 9392 KB Output is correct
19 Correct 41 ms 9344 KB Output is correct
20 Correct 42 ms 9320 KB Output is correct
21 Correct 41 ms 9320 KB Output is correct
22 Correct 41 ms 9380 KB Output is correct
23 Correct 40 ms 9464 KB Output is correct
24 Correct 43 ms 9320 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 33 ms 8680 KB Output is correct
3 Correct 33 ms 8680 KB Output is correct
4 Correct 32 ms 8680 KB Output is correct
5 Correct 31 ms 8808 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 248 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 320 KB Output is correct
12 Correct 2 ms 252 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 31 ms 8552 KB Output is correct
19 Correct 31 ms 8552 KB Output is correct
20 Correct 31 ms 8552 KB Output is correct
21 Correct 34 ms 8680 KB Output is correct
22 Correct 31 ms 8552 KB Output is correct
23 Correct 33 ms 8680 KB Output is correct
24 Correct 31 ms 8680 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 420 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 27 ms 7016 KB Output is correct
20 Correct 29 ms 7144 KB Output is correct
21 Correct 29 ms 7016 KB Output is correct
22 Correct 37 ms 9444 KB Output is correct
23 Correct 39 ms 9320 KB Output is correct
24 Correct 40 ms 9312 KB Output is correct
25 Correct 38 ms 9320 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 38 ms 9308 KB Output is correct
29 Correct 33 ms 9064 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 380 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 248 KB Output is correct
36 Correct 2 ms 252 KB Output is correct
37 Correct 2 ms 380 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 7 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 248 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 40 ms 9392 KB Output is correct
44 Correct 41 ms 9344 KB Output is correct
45 Correct 42 ms 9320 KB Output is correct
46 Correct 41 ms 9320 KB Output is correct
47 Correct 41 ms 9380 KB Output is correct
48 Correct 40 ms 9464 KB Output is correct
49 Correct 43 ms 9320 KB Output is correct
50 Correct 2 ms 256 KB Output is correct
51 Correct 33 ms 8680 KB Output is correct
52 Correct 33 ms 8680 KB Output is correct
53 Correct 32 ms 8680 KB Output is correct
54 Correct 31 ms 8808 KB Output is correct
55 Correct 2 ms 256 KB Output is correct
56 Correct 3 ms 376 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 2 ms 248 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 320 KB Output is correct
61 Correct 2 ms 252 KB Output is correct
62 Correct 2 ms 376 KB Output is correct
63 Correct 2 ms 376 KB Output is correct
64 Correct 2 ms 256 KB Output is correct
65 Correct 2 ms 256 KB Output is correct
66 Correct 2 ms 256 KB Output is correct
67 Correct 31 ms 8552 KB Output is correct
68 Correct 31 ms 8552 KB Output is correct
69 Correct 31 ms 8552 KB Output is correct
70 Correct 34 ms 8680 KB Output is correct
71 Correct 31 ms 8552 KB Output is correct
72 Correct 33 ms 8680 KB Output is correct
73 Correct 31 ms 8680 KB Output is correct
74 Correct 36 ms 9320 KB Output is correct
75 Correct 32 ms 8936 KB Output is correct
76 Correct 36 ms 9368 KB Output is correct
77 Correct 33 ms 8808 KB Output is correct
78 Correct 33 ms 8936 KB Output is correct
79 Correct 34 ms 8680 KB Output is correct
80 Correct 32 ms 8680 KB Output is correct
81 Correct 32 ms 8936 KB Output is correct
82 Correct 32 ms 8808 KB Output is correct
83 Correct 38 ms 8936 KB Output is correct
84 Correct 39 ms 9328 KB Output is correct
85 Correct 40 ms 9320 KB Output is correct
86 Correct 40 ms 9320 KB Output is correct
87 Correct 38 ms 9320 KB Output is correct
88 Correct 38 ms 9448 KB Output is correct
89 Correct 38 ms 9368 KB Output is correct
90 Correct 40 ms 9320 KB Output is correct
91 Correct 40 ms 9320 KB Output is correct
92 Correct 40 ms 9320 KB Output is correct
93 Correct 39 ms 9320 KB Output is correct
94 Correct 36 ms 9320 KB Output is correct
95 Correct 36 ms 9320 KB Output is correct
96 Correct 38 ms 9348 KB Output is correct
97 Correct 39 ms 9344 KB Output is correct
98 Correct 42 ms 9320 KB Output is correct
99 Correct 39 ms 9320 KB Output is correct
100 Correct 36 ms 9292 KB Output is correct
101 Correct 38 ms 9320 KB Output is correct
102 Correct 38 ms 9448 KB Output is correct