oj.uz

Submission #92769

# Submission time Handle Problem Language Result Execution time Memory
92769 2019-01-04T13:19:51 Z SamAnd K blocks (IZhO14_blocks) C++17
100 / 100
 247 ms 41212 KB 
#include <iostream>
#include <stack>
#include <cstdio>
#include <algorithm>
using namespace std;
const int N = 100005, K = 102;

int n, k;
int a[N];

int dp[K][N];
int main()
{
    //freopen("input2.txt", "r", stdin);
    //freopen("blocks.in", "r", stdin);
    //freopen("blocks.out", "w", stdout);
    cin >> n >> k;
    for (int i = 1; i <= n; ++i)
        cin >> a[i];

    int maxu = 0;
    for (int j = 1; j <= n; ++j)
    {
        maxu = max(maxu, a[j]);
        dp[1][j] = maxu;
    }

    for (int i = 2; i <= k; ++i)
    {
        stack<int> s, ss, minudp;
        int minu;
        for (int j = i; j <= n; ++j)
        {
            int cminudp = dp[i - 1][j - 1];
            while (!s.empty() && a[j] >= s.top())
            {
                s.pop();
                minu = s.top();
                s.pop();
                ss.pop();
                cminudp = min(cminudp, minudp.top());
                minudp.pop();
            }
            int x = a[j] + cminudp;
            s.push(minu);
            s.push(a[j]);
            if (ss.empty())
                minu = x;
            else
                minu = min(minu, x);
            ss.push(j);
            minudp.push(cminudp);
            dp[i][j] = minu;
        }
    }

    /*for (int j = 1; j <= n; ++j)
        cout << dp[2][j] << endl;*/

    cout << dp[k][n] << endl;
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 248 KB Output is correct
7 Correct 1 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 348 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 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 376 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 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 380 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 436 KB Output is correct
7 Correct 2 ms 376 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 376 KB Output is correct
11 Correct 2 ms 248 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 504 KB Output is correct
15 Correct 2 ms 760 KB Output is correct
16 Correct 2 ms 760 KB Output is correct
17 Correct 2 ms 632 KB Output is correct
18 Correct 2 ms 760 KB Output is correct
19 Correct 2 ms 760 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1528 KB Output is correct
2 Correct 15 ms 1020 KB Output is correct
3 Correct 20 ms 2040 KB Output is correct
4 Correct 68 ms 14324 KB Output is correct
5 Correct 188 ms 40508 KB Output is correct
6 Correct 36 ms 2816 KB Output is correct
7 Correct 103 ms 19072 KB Output is correct
8 Correct 2 ms 496 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 636 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 27 ms 4856 KB Output is correct
15 Correct 5 ms 544 KB Output is correct
16 Correct 10 ms 1528 KB Output is correct
17 Correct 16 ms 1016 KB Output is correct
18 Correct 21 ms 2040 KB Output is correct
19 Correct 93 ms 14360 KB Output is correct
20 Correct 246 ms 40712 KB Output is correct
21 Correct 37 ms 2552 KB Output is correct
22 Correct 131 ms 19100 KB Output is correct
23 Correct 33 ms 1784 KB Output is correct
24 Correct 51 ms 5368 KB Output is correct
25 Correct 247 ms 40552 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 508 KB Output is correct
28 Correct 23 ms 4856 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 9 ms 1656 KB Output is correct
31 Correct 15 ms 1016 KB Output is correct
32 Correct 21 ms 2384 KB Output is correct
33 Correct 78 ms 14632 KB Output is correct
34 Correct 225 ms 41212 KB Output is correct
35 Correct 37 ms 3116 KB Output is correct
36 Correct 124 ms 19636 KB Output is correct
37 Correct 5 ms 504 KB Output is correct
38 Correct 21 ms 4856 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct