oj.uz

Submission #1092075

# Submission time Handle Problem Language Result Execution time Memory
1092075 2024-09-23T04:29:35 Z juicy K blocks (IZhO14_blocks) C++17
100 / 100
 178 ms 4732 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  const long long inf = 1e18;

  int n, k; cin >> n >> k;
  vector dp(2, vector<long long>(n + 1, inf));
  vector<int> a(n);
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
    dp[1][i + 1] = max(i ? dp[1][i] : 0, (long long) a[i]);
  }
  for (int i = 1; i < k; ++i) {
    vector<pair<int, long long>> st;
    dp[i & 1 ^ 1][0] = inf;
    for (int j = 0; j < n; ++j) {
      long long x = dp[i & 1][j];
      while (st.size() && st.back().first <= a[j]) {
        x = min(x, st.back().second);
        st.pop_back();
      }
      if (!st.size() || st.back().first + st.back().second > x + a[j]) {
        st.push_back({a[j], x});
      }
      dp[i & 1 ^ 1][j + 1] = st.back().first + st.back().second;
    }
  }
  cout << dp[k & 1][n];
  return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:25:10: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   25 |     dp[i & 1 ^ 1][0] = inf;
      |        ~~^~~
blocks.cpp:35:12: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   35 |       dp[i & 1 ^ 1][j + 1] = st.back().first + st.back().second;
      |          ~~^~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 360 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 456 KB Output is correct
3 Correct 0 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 360 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 456 KB Output is correct
21 Correct 0 ms 452 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 344 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 360 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 456 KB Output is correct
21 Correct 0 ms 452 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 3 ms 604 KB Output is correct
59 Correct 3 ms 1536 KB Output is correct
60 Correct 5 ms 1536 KB Output is correct
61 Correct 34 ms 1648 KB Output is correct
62 Correct 93 ms 3088 KB Output is correct
63 Correct 8 ms 2888 KB Output is correct
64 Correct 45 ms 2892 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 344 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 7 ms 760 KB Output is correct
72 Correct 1 ms 724 KB Output is correct
73 Correct 2 ms 604 KB Output is correct
74 Correct 3 ms 1532 KB Output is correct
75 Correct 5 ms 1536 KB Output is correct
76 Correct 23 ms 1536 KB Output is correct
77 Correct 61 ms 2888 KB Output is correct
78 Correct 8 ms 2892 KB Output is correct
79 Correct 33 ms 3056 KB Output is correct
80 Correct 6 ms 2892 KB Output is correct
81 Correct 12 ms 2892 KB Output is correct
82 Correct 65 ms 2892 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 14 ms 852 KB Output is correct
86 Correct 2 ms 724 KB Output is correct
87 Correct 4 ms 604 KB Output is correct
88 Correct 3 ms 1448 KB Output is correct
89 Correct 7 ms 1896 KB Output is correct
90 Correct 49 ms 2048 KB Output is correct
91 Correct 178 ms 4732 KB Output is correct
92 Correct 10 ms 4684 KB Output is correct
93 Correct 82 ms 4724 KB Output is correct
94 Correct 2 ms 600 KB Output is correct
95 Correct 8 ms 604 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 600 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct