oj.uz

Submission #1078688

# Submission time Handle Problem Language Result Execution time Memory
1078688 2024-08-28T04:27:43 Z Tony_Tung K blocks (IZhO14_blocks) C++14
100 / 100
 195 ms 84396 KB 
#include <bits/stdc++.h>
#define task "blocks"
#define int long long
using namespace std;

const int N = 1e5 + 5, K = 1e2 + 5, INF = 1e18;
int a[N], dp[N][K], n, k;
stack<int> st;

int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    if (fopen(task".in", "r"))
    {
        freopen(task".in", "r", stdin);
        freopen(task".out", "w", stdout);
    }

    cin >> n >> k;
    for (int i = 0; i <= n; i++)
        for (int j = 0; j <= k; j++) dp[i][j] = INF;

    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        dp[i][1] = (i == 1 ? a[i] : max(a[i], dp[i-1][1]));
    }

    for (int j = 2; j <= k; j++)
    {
        while (st.size()) st.pop();
        for (int i = 1; i <= n; i++)
        {
            while (st.size() && a[i] >= a[st.top()])
            {
                dp[i][j] = min(dp[i][j], min(dp[st.top()][j-1] + a[i], dp[st.top()][j] - a[st.top()] + a[i]));
                st.pop();
            }
            if (st.size())
                dp[i][j] = min(dp[i][j], min(dp[st.top()][j-1] + a[i], dp[st.top()][j]));
            st.push(i);
        }
    }
    cout << dp[n][k];

    return 0;
}

Compilation message

blocks.cpp: In function 'int32_t main()':
blocks.cpp:16:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         freopen(task".in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 372 KB Output is correct
4 Correct 0 ms 344 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 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 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

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 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 460 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 604 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 1 ms 348 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 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 372 KB Output is correct
4 Correct 0 ms 344 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 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 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 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 460 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 0 ms 604 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 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 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 1 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 0 ms 352 KB Output is correct
43 Correct 0 ms 352 KB Output is correct
44 Correct 0 ms 352 KB Output is correct
45 Correct 0 ms 352 KB Output is correct
46 Correct 0 ms 352 KB Output is correct
47 Correct 0 ms 352 KB Output is correct
48 Correct 0 ms 352 KB Output is correct
49 Correct 1 ms 352 KB Output is correct
50 Correct 0 ms 352 KB Output is correct
51 Correct 0 ms 352 KB Output is correct
52 Correct 0 ms 352 KB Output is correct
53 Correct 0 ms 352 KB Output is correct
54 Correct 0 ms 352 KB Output is correct
55 Correct 1 ms 352 KB Output is correct
56 Correct 0 ms 352 KB Output is correct
57 Correct 0 ms 352 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 372 KB Output is correct
4 Correct 0 ms 344 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 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 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 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 460 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 0 ms 604 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 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 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 1 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 0 ms 352 KB Output is correct
43 Correct 0 ms 352 KB Output is correct
44 Correct 0 ms 352 KB Output is correct
45 Correct 0 ms 352 KB Output is correct
46 Correct 0 ms 352 KB Output is correct
47 Correct 0 ms 352 KB Output is correct
48 Correct 0 ms 352 KB Output is correct
49 Correct 1 ms 352 KB Output is correct
50 Correct 0 ms 352 KB Output is correct
51 Correct 0 ms 352 KB Output is correct
52 Correct 0 ms 352 KB Output is correct
53 Correct 0 ms 352 KB Output is correct
54 Correct 0 ms 352 KB Output is correct
55 Correct 1 ms 352 KB Output is correct
56 Correct 0 ms 352 KB Output is correct
57 Correct 0 ms 352 KB Output is correct
58 Correct 7 ms 8800 KB Output is correct
59 Correct 18 ms 37472 KB Output is correct
60 Correct 21 ms 37472 KB Output is correct
61 Correct 58 ms 37636 KB Output is correct
62 Correct 166 ms 84056 KB Output is correct
63 Correct 40 ms 84052 KB Output is correct
64 Correct 92 ms 84048 KB Output is correct
65 Correct 1 ms 344 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 1 ms 1116 KB Output is correct
70 Correct 1 ms 1116 KB Output is correct
71 Correct 21 ms 8832 KB Output is correct
72 Correct 4 ms 8796 KB Output is correct
73 Correct 7 ms 8796 KB Output is correct
74 Correct 16 ms 37468 KB Output is correct
75 Correct 22 ms 37464 KB Output is correct
76 Correct 68 ms 37468 KB Output is correct
77 Correct 195 ms 84048 KB Output is correct
78 Correct 40 ms 83880 KB Output is correct
79 Correct 106 ms 84048 KB Output is correct
80 Correct 37 ms 84048 KB Output is correct
81 Correct 60 ms 84048 KB Output is correct
82 Correct 194 ms 84060 KB Output is correct
83 Correct 1 ms 1112 KB Output is correct
84 Correct 1 ms 1112 KB Output is correct
85 Correct 15 ms 8668 KB Output is correct
86 Correct 5 ms 8796 KB Output is correct
87 Correct 6 ms 8796 KB Output is correct
88 Correct 17 ms 37548 KB Output is correct
89 Correct 20 ms 37976 KB Output is correct
90 Correct 63 ms 37724 KB Output is correct
91 Correct 173 ms 84396 KB Output is correct
92 Correct 40 ms 84308 KB Output is correct
93 Correct 97 ms 84304 KB Output is correct
94 Correct 3 ms 8792 KB Output is correct
95 Correct 13 ms 8808 KB Output is correct
96 Correct 1 ms 1116 KB Output is correct
97 Correct 1 ms 1112 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 344 KB Output is correct