oj.uz

Submission #491183

# Submission time Handle Problem Language Result Execution time Memory
491183 2021-11-30T17:04:07 Z Newtech66 K blocks (IZhO14_blocks) C++17
100 / 100
 471 ms 86268 KB 
#include<bits/stdc++.h>
using namespace std;
using lol=long long int;
#define endl "\n"
const lol mod1=1e9+7,mod2=998244353;
const lol inf=1e18+8;
const double eps=1e-12;
const int N=2*1e5+5;
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int _=1;
//cin>>_;
while(_--)
{
    int n,k;
    cin>>n>>k;
    vector<vector<lol> > dp(n,vector<lol>(k+1,inf));
    vector<lol> v(n);
    for(int i=0;i<n;i++)
    {
        cin>>v[i];
    }
    vector<int> psg(n,-1);
    stack<lol> st;
    for(int i=0;i<n;i++)
    {
        while(!st.empty() && v[st.top()]<v[i])    st.pop();
        if(!st.empty())  psg[i]=st.top();
        st.push(i);
    }
    lol mx=0;
    for(int i=0;i<n;i++)
    {
        mx=max(mx,v[i]);
        dp[i][1]=mx;
    }
    for(int l=2;l<=k;l++)
    {
        lol mnz=inf;
        vector<lol> mf(n,inf);
        stack<pair<int,lol> > stf;
        for(int i=0;i<n;i++)
        {
            while(!stf.empty() && v[stf.top().first]<v[i])
            {
                lol x=stf.top().second;
                stf.pop();
                if(!stf.empty())    stf.top().second=min(x,stf.top().second);
            }
            if(!stf.empty()) mf[i]=stf.top().second;
            stf.push({i,dp[i][l-1]});
        }
        for(int i=0;i<n;i++)
        {
            int p=psg[i];
            if(p==-1)
            {
                dp[i][l]=min(v[i]+mnz,inf);
            }else
            {
                lol mn=min(mf[i]+v[i],dp[p][l]);
                dp[i][l]=min(mn,inf);
            }
            mnz=min(dp[i][l-1],mnz);
        }
    }
    /*for(int i=1;i<=k;i++)
    {
        for(int j=0;j<n;j++)
        {
            cout<<dp[j][i]<<" ";
        }
        cout<<endl;
    }*/
    cout<<dp[n-1][k];
}
return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 332 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 0 ms 332 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 0 ms 332 KB Output is correct
57 Correct 1 ms 448 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 332 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 0 ms 332 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 0 ms 332 KB Output is correct
57 Correct 1 ms 448 KB Output is correct
58 Correct 6 ms 2892 KB Output is correct
59 Correct 7 ms 3276 KB Output is correct
60 Correct 12 ms 5708 KB Output is correct
61 Correct 99 ms 29372 KB Output is correct
62 Correct 413 ms 84456 KB Output is correct
63 Correct 21 ms 9932 KB Output is correct
64 Correct 179 ms 42844 KB Output is correct
65 Correct 1 ms 332 KB Output is correct
66 Correct 0 ms 312 KB Output is correct
67 Correct 0 ms 332 KB Output is correct
68 Correct 0 ms 332 KB Output is correct
69 Correct 1 ms 332 KB Output is correct
70 Correct 1 ms 460 KB Output is correct
71 Correct 25 ms 8780 KB Output is correct
72 Correct 3 ms 1100 KB Output is correct
73 Correct 7 ms 2892 KB Output is correct
74 Correct 7 ms 3532 KB Output is correct
75 Correct 14 ms 6000 KB Output is correct
76 Correct 110 ms 29592 KB Output is correct
77 Correct 408 ms 85160 KB Output is correct
78 Correct 20 ms 9932 KB Output is correct
79 Correct 184 ms 42780 KB Output is correct
80 Correct 18 ms 7628 KB Output is correct
81 Correct 42 ms 14680 KB Output is correct
82 Correct 417 ms 85060 KB Output is correct
83 Correct 1 ms 332 KB Output is correct
84 Correct 1 ms 460 KB Output is correct
85 Correct 25 ms 8908 KB Output is correct
86 Correct 2 ms 1224 KB Output is correct
87 Correct 8 ms 3020 KB Output is correct
88 Correct 7 ms 3660 KB Output is correct
89 Correct 15 ms 6500 KB Output is correct
90 Correct 132 ms 30260 KB Output is correct
91 Correct 471 ms 86268 KB Output is correct
92 Correct 22 ms 11076 KB Output is correct
93 Correct 214 ms 44048 KB Output is correct
94 Correct 2 ms 1100 KB Output is correct
95 Correct 24 ms 8780 KB Output is correct
96 Correct 1 ms 460 KB Output is correct
97 Correct 1 ms 332 KB Output is correct
98 Correct 0 ms 204 KB Output is correct
99 Correct 0 ms 204 KB Output is correct