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Submission #887117

# Submission time Handle Problem Language Result Execution time Memory
887117 2023-12-13T19:49:03 Z maxFedorchuk K blocks (IZhO14_blocks) C++14
100 / 100
 146 ms 81460 KB 
#include<bits/stdc++.h>
using namespace std;

const long long MXN=1e5+10;
const long long MXK=1e2+10;
const long long INF=1e18;

long long dp[MXK][MXN];
long long a[MXN];

int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    long long n,k;
    cin>>n>>k;

    for(long long i=0;i<=k;i++)
    {
        for(long long j=0;j<=n;j++)
        {
            dp[i][j]=INF;
        }
    }

    for(long long i=1;i<=n;i++)
    {
        cin>>a[i];
    }

    dp[1][1]=a[1];
    for(int i=2;i<=n;i++)
    {
        dp[1][i]=max(dp[1][i-1],a[i]);
    }

    for(long long i=2;i<=k;i++)
    {
        stack < pair < long long , long long > > st;

        for(long long j=1;j<=n;j++)
        {
            long long tmp=dp[i-1][j-1];

            while(!st.empty() && a[st.top().first]<a[j])
            {
                tmp=min(tmp,st.top().second);
                st.pop();
            }

            if(!st.empty() && i<=j)
            {
                dp[i][j]=dp[i][st.top().first];
            }

            st.push({j,min(dp[i-1][j],tmp)});

            if(i<=j)
            {
                dp[i][j]=min(dp[i][j],tmp+a[j]);
            }
        }
    }

    cout<<dp[k][n]<<"\n";
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 14684 KB Output is correct
17 Correct 2 ms 14684 KB Output is correct
18 Correct 1 ms 10588 KB Output is correct
19 Correct 2 ms 14684 KB Output is correct
20 Correct 2 ms 16732 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 10588 KB Output is correct
33 Correct 1 ms 10588 KB Output is correct
34 Correct 2 ms 14684 KB Output is correct
35 Correct 2 ms 14684 KB Output is correct
36 Correct 1 ms 10588 KB Output is correct
37 Correct 2 ms 14684 KB Output is correct
38 Correct 2 ms 16732 KB Output is correct
39 Correct 7 ms 41560 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4440 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 6516 KB Output is correct
51 Correct 2 ms 20828 KB Output is correct
52 Correct 2 ms 20828 KB Output is correct
53 Correct 17 ms 80412 KB Output is correct
54 Correct 9 ms 80476 KB Output is correct
55 Correct 5 ms 43356 KB Output is correct
56 Correct 8 ms 80476 KB Output is correct
57 Correct 10 ms 80340 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4696 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 10588 KB Output is correct
33 Correct 1 ms 10588 KB Output is correct
34 Correct 2 ms 14684 KB Output is correct
35 Correct 2 ms 14684 KB Output is correct
36 Correct 1 ms 10588 KB Output is correct
37 Correct 2 ms 14684 KB Output is correct
38 Correct 2 ms 16732 KB Output is correct
39 Correct 7 ms 41560 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4440 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 6516 KB Output is correct
51 Correct 2 ms 20828 KB Output is correct
52 Correct 2 ms 20828 KB Output is correct
53 Correct 17 ms 80412 KB Output is correct
54 Correct 9 ms 80476 KB Output is correct
55 Correct 5 ms 43356 KB Output is correct
56 Correct 8 ms 80476 KB Output is correct
57 Correct 10 ms 80340 KB Output is correct
58 Correct 5 ms 20828 KB Output is correct
59 Correct 3 ms 2692 KB Output is correct
60 Correct 6 ms 8796 KB Output is correct
61 Correct 41 ms 62044 KB Output is correct
62 Correct 115 ms 80732 KB Output is correct
63 Correct 9 ms 4740 KB Output is correct
64 Correct 52 ms 37556 KB Output is correct
65 Correct 3 ms 20828 KB Output is correct
66 Correct 4 ms 41308 KB Output is correct
67 Correct 5 ms 41448 KB Output is correct
68 Correct 4 ms 41308 KB Output is correct
69 Correct 1 ms 2396 KB Output is correct
70 Correct 2 ms 10588 KB Output is correct
71 Correct 21 ms 80476 KB Output is correct
72 Correct 1 ms 4444 KB Output is correct
73 Correct 6 ms 20828 KB Output is correct
74 Correct 3 ms 2652 KB Output is correct
75 Correct 8 ms 8856 KB Output is correct
76 Correct 56 ms 62236 KB Output is correct
77 Correct 141 ms 80656 KB Output is correct
78 Correct 9 ms 4700 KB Output is correct
79 Correct 67 ms 37480 KB Output is correct
80 Correct 7 ms 4700 KB Output is correct
81 Correct 19 ms 10904 KB Output is correct
82 Correct 146 ms 80476 KB Output is correct
83 Correct 1 ms 2396 KB Output is correct
84 Correct 2 ms 10588 KB Output is correct
85 Correct 19 ms 80644 KB Output is correct
86 Correct 2 ms 4696 KB Output is correct
87 Correct 5 ms 21084 KB Output is correct
88 Correct 3 ms 2652 KB Output is correct
89 Correct 7 ms 9156 KB Output is correct
90 Correct 48 ms 62516 KB Output is correct
91 Correct 133 ms 81460 KB Output is correct
92 Correct 9 ms 5464 KB Output is correct
93 Correct 63 ms 38288 KB Output is correct
94 Correct 1 ms 4440 KB Output is correct
95 Correct 23 ms 80484 KB Output is correct
96 Correct 2 ms 10588 KB Output is correct
97 Correct 1 ms 2396 KB Output is correct
98 Correct 1 ms 6492 KB Output is correct
99 Correct 1 ms 4440 KB Output is correct