oj.uz

Submission #1077213

# Submission time Handle Problem Language Result Execution time Memory
1077213 2024-08-27T03:07:13 Z Wjsc K blocks (IZhO14_blocks) C++14
100 / 100
 216 ms 84736 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long
#define pi pair<int, int>
#define fi first
#define se second
#define all(v) v.begin(), v.end()

const int N = 1e5 + 5,
          M = 1e2 + 5,
          INF = 1e18;

int n, k;
int a[N];
int f[N][M];

signed main() {
  cin.tie(0)->sync_with_stdio(0);

  if(fopen("task.inp", "r")) {
    freopen("task.inp", "r", stdin);
    freopen("task.out", "w", stdout);
  }
  memset(f, 120, sizeof f);

  cin >> n >> k;

  for(int i = 1; i <= n; ++i) {
    cin >> a[i];
    if(i == 1) f[i][1] = a[i];
    else f[i][1] = max(f[i - 1][1], a[i]);
  }

  for(int j = 2; j <= k; ++j) {
    stack<pi> st;


    for(int i = 1; i <= n; ++i) {
      int c = INF;

      while(st.size() && a[st.top().fi] <= a[i]) {
        f[i][j] = min(f[i][j], f[st.top().fi][j - 1] + a[i]);
        f[i][j] = min(f[i][j], st.top().se + a[i]);
        c = min(c, st.top().se);
        c = min(c, f[st.top().fi][j - 1]);
        st.pop();
      }

      if(st.size()) {
        f[i][j] = min(f[i][j], f[st.top().fi][j]);
        f[i][j] = min(f[i][j], f[st.top().fi][j - 1] + a[i]);
      }

      st.push({i, c});
    }
  }

  cout << f[n][k];
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:23:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |     freopen("task.inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:24:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     freopen("task.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82512 KB Output is correct
2 Correct 38 ms 82516 KB Output is correct
3 Correct 38 ms 82524 KB Output is correct
4 Correct 49 ms 82524 KB Output is correct
5 Correct 41 ms 82508 KB Output is correct
6 Correct 38 ms 82628 KB Output is correct
7 Correct 42 ms 82516 KB Output is correct
8 Correct 39 ms 82496 KB Output is correct
9 Correct 39 ms 82520 KB Output is correct
10 Correct 41 ms 82516 KB Output is correct
11 Correct 40 ms 82516 KB Output is correct
12 Correct 41 ms 82520 KB Output is correct
13 Correct 39 ms 82584 KB Output is correct
14 Correct 40 ms 82512 KB Output is correct
15 Correct 36 ms 82512 KB Output is correct
16 Correct 37 ms 82516 KB Output is correct
17 Correct 38 ms 82512 KB Output is correct
18 Correct 40 ms 82516 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 82516 KB Output is correct
2 Correct 39 ms 82516 KB Output is correct
3 Correct 38 ms 82512 KB Output is correct
4 Correct 39 ms 82420 KB Output is correct
5 Correct 38 ms 82552 KB Output is correct
6 Correct 40 ms 82516 KB Output is correct
7 Correct 41 ms 82516 KB Output is correct
8 Correct 39 ms 82512 KB Output is correct
9 Correct 46 ms 82516 KB Output is correct
10 Correct 41 ms 82580 KB Output is correct
11 Correct 39 ms 82544 KB Output is correct
12 Correct 40 ms 82516 KB Output is correct
13 Correct 40 ms 82524 KB Output is correct
14 Correct 40 ms 82512 KB Output is correct
15 Correct 40 ms 82512 KB Output is correct
16 Correct 39 ms 82596 KB Output is correct
17 Correct 35 ms 82516 KB Output is correct
18 Correct 38 ms 82496 KB Output is correct
19 Correct 44 ms 82560 KB Output is correct
20 Correct 39 ms 82516 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82512 KB Output is correct
2 Correct 38 ms 82516 KB Output is correct
3 Correct 38 ms 82524 KB Output is correct
4 Correct 49 ms 82524 KB Output is correct
5 Correct 41 ms 82508 KB Output is correct
6 Correct 38 ms 82628 KB Output is correct
7 Correct 42 ms 82516 KB Output is correct
8 Correct 39 ms 82496 KB Output is correct
9 Correct 39 ms 82520 KB Output is correct
10 Correct 41 ms 82516 KB Output is correct
11 Correct 40 ms 82516 KB Output is correct
12 Correct 41 ms 82520 KB Output is correct
13 Correct 39 ms 82584 KB Output is correct
14 Correct 40 ms 82512 KB Output is correct
15 Correct 36 ms 82512 KB Output is correct
16 Correct 37 ms 82516 KB Output is correct
17 Correct 38 ms 82512 KB Output is correct
18 Correct 40 ms 82516 KB Output is correct
19 Correct 40 ms 82516 KB Output is correct
20 Correct 39 ms 82516 KB Output is correct
21 Correct 38 ms 82512 KB Output is correct
22 Correct 39 ms 82420 KB Output is correct
23 Correct 38 ms 82552 KB Output is correct
24 Correct 40 ms 82516 KB Output is correct
25 Correct 41 ms 82516 KB Output is correct
26 Correct 39 ms 82512 KB Output is correct
27 Correct 46 ms 82516 KB Output is correct
28 Correct 41 ms 82580 KB Output is correct
29 Correct 39 ms 82544 KB Output is correct
30 Correct 40 ms 82516 KB Output is correct
31 Correct 40 ms 82524 KB Output is correct
32 Correct 40 ms 82512 KB Output is correct
33 Correct 40 ms 82512 KB Output is correct
34 Correct 39 ms 82596 KB Output is correct
35 Correct 35 ms 82516 KB Output is correct
36 Correct 38 ms 82496 KB Output is correct
37 Correct 44 ms 82560 KB Output is correct
38 Correct 39 ms 82516 KB Output is correct
39 Correct 46 ms 82512 KB Output is correct
40 Correct 40 ms 82440 KB Output is correct
41 Correct 41 ms 82504 KB Output is correct
42 Correct 41 ms 82640 KB Output is correct
43 Correct 42 ms 82636 KB Output is correct
44 Correct 44 ms 82524 KB Output is correct
45 Correct 40 ms 82512 KB Output is correct
46 Correct 40 ms 82516 KB Output is correct
47 Correct 41 ms 82512 KB Output is correct
48 Correct 41 ms 82512 KB Output is correct
49 Correct 40 ms 82516 KB Output is correct
50 Correct 40 ms 82512 KB Output is correct
51 Correct 40 ms 82520 KB Output is correct
52 Correct 40 ms 82560 KB Output is correct
53 Correct 40 ms 82524 KB Output is correct
54 Correct 40 ms 82448 KB Output is correct
55 Correct 40 ms 82516 KB Output is correct
56 Correct 39 ms 82524 KB Output is correct
57 Correct 38 ms 82520 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 82512 KB Output is correct
2 Correct 38 ms 82516 KB Output is correct
3 Correct 38 ms 82524 KB Output is correct
4 Correct 49 ms 82524 KB Output is correct
5 Correct 41 ms 82508 KB Output is correct
6 Correct 38 ms 82628 KB Output is correct
7 Correct 42 ms 82516 KB Output is correct
8 Correct 39 ms 82496 KB Output is correct
9 Correct 39 ms 82520 KB Output is correct
10 Correct 41 ms 82516 KB Output is correct
11 Correct 40 ms 82516 KB Output is correct
12 Correct 41 ms 82520 KB Output is correct
13 Correct 39 ms 82584 KB Output is correct
14 Correct 40 ms 82512 KB Output is correct
15 Correct 36 ms 82512 KB Output is correct
16 Correct 37 ms 82516 KB Output is correct
17 Correct 38 ms 82512 KB Output is correct
18 Correct 40 ms 82516 KB Output is correct
19 Correct 40 ms 82516 KB Output is correct
20 Correct 39 ms 82516 KB Output is correct
21 Correct 38 ms 82512 KB Output is correct
22 Correct 39 ms 82420 KB Output is correct
23 Correct 38 ms 82552 KB Output is correct
24 Correct 40 ms 82516 KB Output is correct
25 Correct 41 ms 82516 KB Output is correct
26 Correct 39 ms 82512 KB Output is correct
27 Correct 46 ms 82516 KB Output is correct
28 Correct 41 ms 82580 KB Output is correct
29 Correct 39 ms 82544 KB Output is correct
30 Correct 40 ms 82516 KB Output is correct
31 Correct 40 ms 82524 KB Output is correct
32 Correct 40 ms 82512 KB Output is correct
33 Correct 40 ms 82512 KB Output is correct
34 Correct 39 ms 82596 KB Output is correct
35 Correct 35 ms 82516 KB Output is correct
36 Correct 38 ms 82496 KB Output is correct
37 Correct 44 ms 82560 KB Output is correct
38 Correct 39 ms 82516 KB Output is correct
39 Correct 46 ms 82512 KB Output is correct
40 Correct 40 ms 82440 KB Output is correct
41 Correct 41 ms 82504 KB Output is correct
42 Correct 41 ms 82640 KB Output is correct
43 Correct 42 ms 82636 KB Output is correct
44 Correct 44 ms 82524 KB Output is correct
45 Correct 40 ms 82512 KB Output is correct
46 Correct 40 ms 82516 KB Output is correct
47 Correct 41 ms 82512 KB Output is correct
48 Correct 41 ms 82512 KB Output is correct
49 Correct 40 ms 82516 KB Output is correct
50 Correct 40 ms 82512 KB Output is correct
51 Correct 40 ms 82520 KB Output is correct
52 Correct 40 ms 82560 KB Output is correct
53 Correct 40 ms 82524 KB Output is correct
54 Correct 40 ms 82448 KB Output is correct
55 Correct 40 ms 82516 KB Output is correct
56 Correct 39 ms 82524 KB Output is correct
57 Correct 38 ms 82520 KB Output is correct
58 Correct 44 ms 82772 KB Output is correct
59 Correct 41 ms 83280 KB Output is correct
60 Correct 49 ms 83256 KB Output is correct
61 Correct 85 ms 83292 KB Output is correct
62 Correct 184 ms 84052 KB Output is correct
63 Correct 49 ms 83900 KB Output is correct
64 Correct 105 ms 84052 KB Output is correct
65 Correct 41 ms 82524 KB Output is correct
66 Correct 37 ms 82580 KB Output is correct
67 Correct 41 ms 82512 KB Output is correct
68 Correct 46 ms 82516 KB Output is correct
69 Correct 40 ms 82516 KB Output is correct
70 Correct 44 ms 82512 KB Output is correct
71 Correct 54 ms 82772 KB Output is correct
72 Correct 40 ms 82780 KB Output is correct
73 Correct 43 ms 82536 KB Output is correct
74 Correct 41 ms 83284 KB Output is correct
75 Correct 50 ms 83136 KB Output is correct
76 Correct 100 ms 83268 KB Output is correct
77 Correct 216 ms 84052 KB Output is correct
78 Correct 50 ms 84060 KB Output is correct
79 Correct 125 ms 83944 KB Output is correct
80 Correct 47 ms 84052 KB Output is correct
81 Correct 66 ms 84060 KB Output is correct
82 Correct 208 ms 84052 KB Output is correct
83 Correct 42 ms 82516 KB Output is correct
84 Correct 41 ms 82524 KB Output is correct
85 Correct 55 ms 82768 KB Output is correct
86 Correct 42 ms 83024 KB Output is correct
87 Correct 44 ms 82772 KB Output is correct
88 Correct 43 ms 83280 KB Output is correct
89 Correct 45 ms 83552 KB Output is correct
90 Correct 94 ms 83800 KB Output is correct
91 Correct 214 ms 84668 KB Output is correct
92 Correct 49 ms 84660 KB Output is correct
93 Correct 110 ms 84736 KB Output is correct
94 Correct 41 ms 82648 KB Output is correct
95 Correct 56 ms 82528 KB Output is correct
96 Correct 42 ms 82516 KB Output is correct
97 Correct 40 ms 82524 KB Output is correct
98 Correct 38 ms 82516 KB Output is correct
99 Correct 40 ms 82460 KB Output is correct