oj.uz

Submission #874012

# Submission time Handle Problem Language Result Execution time Memory
874012 2023-11-16T07:43:05 Z 8pete8 K blocks (IZhO14_blocks) C++14
100 / 100
 402 ms 6232 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include <iomanip>  
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,pii>
#define vi vector<int>
#define pb push_back
//#define p push
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
#pragma GCC optimize ("03,unroll-lopps")
#define int long long
#define double long double
const int mxn=1e5,inf=1e18;
int seg[2*mxn+10],n,dp[mxn+10],l[mxn+10],r[mxn+10],v[mxn+10],k;
int qry(int l,int r){
    int ans=inf;
    for(l+=n,r+=n;l<=r;l>>=1,r>>=1){
        if(l&1)ans=min(ans,seg[l++]);
        if(!(r&1))ans=min(ans,seg[r--]);
    }
    return ans;
}
void build(){for(int i=n-1;i>=0;i--)seg[i]=min(seg[i<<1],seg[(i<<1)^1]);}
int32_t main(){
    fastio
    cin>>n>>k;
    for(int i=1;i<=n;i++)cin>>v[i];
    stack<int>st;
    n++;
    for(int i=1;i<n;i++){
        while(!st.empty()&&v[st.top()]<=v[i])st.pop();
        if(!st.empty())l[i]=st.top();
        else l[i]=0;
        st.push(i);
    }
    while(!st.empty())st.pop();
    for(int i=n-1;i>=1;i--){
        while(!st.empty()&&v[st.top()]<=v[i])st.pop();
        if(!st.empty())r[i]=st.top();
        else r[i]=n;
        st.push(i);
    }
    for(int i=0;i<2*n;i++)seg[i]=inf;
    seg[n]=0;
    build();
    stack<int>st2;
    for(int j=0;j<k;j++){
        for(int i=0;i<n;i++)dp[i]=inf;
        for(int i=j;i<n;i++){
            int g=qry(l[i],i-1)+v[i];
            while(!st2.empty()&&(v[st2.top()]<=v[i]))st2.pop();
            if(!st2.empty())g=min(g,dp[st2.top()]);
            dp[i]=g;
            st2.push(i);
        }
        for(int i=0;i<n;i++)seg[i+n]=dp[i];
        build();
        while(!st2.empty())st2.pop();
    }
    cout<<dp[n-1];
}

Compilation message

blocks.cpp:32:40: warning: bad option '-funroll-lopps' to pragma 'optimize' [-Wpragmas]
   32 | #pragma GCC optimize ("03,unroll-lopps")
      |                                        ^
blocks.cpp:37:20: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   37 | int qry(int l,int r){
      |                    ^
blocks.cpp:45:12: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   45 | void build(){for(int i=n-1;i>=0;i--)seg[i]=min(seg[i<<1],seg[(i<<1)^1]);}
      |            ^
blocks.cpp:46:14: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   46 | int32_t main(){
      |              ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 2 ms 4444 KB Output is correct
15 Correct 1 ms 4696 KB Output is correct
16 Correct 1 ms 4696 KB Output is correct
17 Correct 1 ms 4560 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4556 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4560 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4560 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4556 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 2 ms 4444 KB Output is correct
15 Correct 1 ms 4696 KB Output is correct
16 Correct 1 ms 4696 KB Output is correct
17 Correct 1 ms 4560 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4556 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4560 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4560 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4556 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4440 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 2 ms 4600 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 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 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4560 KB Output is correct
55 Correct 1 ms 4696 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 2 ms 4444 KB Output is correct
15 Correct 1 ms 4696 KB Output is correct
16 Correct 1 ms 4696 KB Output is correct
17 Correct 1 ms 4560 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4556 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4560 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4560 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4556 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4440 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 2 ms 4600 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 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 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4560 KB Output is correct
55 Correct 1 ms 4696 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 11 ms 4700 KB Output is correct
59 Correct 6 ms 5048 KB Output is correct
60 Correct 17 ms 4948 KB Output is correct
61 Correct 133 ms 4956 KB Output is correct
62 Correct 402 ms 5980 KB Output is correct
63 Correct 22 ms 5980 KB Output is correct
64 Correct 180 ms 6112 KB Output is correct
65 Correct 1 ms 4444 KB Output is correct
66 Correct 1 ms 4440 KB Output is correct
67 Correct 1 ms 4444 KB Output is correct
68 Correct 1 ms 4444 KB Output is correct
69 Correct 1 ms 4564 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 23 ms 4700 KB Output is correct
72 Correct 2 ms 4696 KB Output is correct
73 Correct 6 ms 4700 KB Output is correct
74 Correct 6 ms 4952 KB Output is correct
75 Correct 11 ms 4956 KB Output is correct
76 Correct 71 ms 5020 KB Output is correct
77 Correct 207 ms 5804 KB Output is correct
78 Correct 16 ms 5724 KB Output is correct
79 Correct 98 ms 5720 KB Output is correct
80 Correct 11 ms 5720 KB Output is correct
81 Correct 29 ms 5680 KB Output is correct
82 Correct 214 ms 5816 KB Output is correct
83 Correct 1 ms 4440 KB Output is correct
84 Correct 1 ms 4440 KB Output is correct
85 Correct 15 ms 4700 KB Output is correct
86 Correct 2 ms 4656 KB Output is correct
87 Correct 5 ms 4700 KB Output is correct
88 Correct 5 ms 4956 KB Output is correct
89 Correct 8 ms 4956 KB Output is correct
90 Correct 51 ms 4956 KB Output is correct
91 Correct 142 ms 5980 KB Output is correct
92 Correct 14 ms 5976 KB Output is correct
93 Correct 69 ms 6232 KB Output is correct
94 Correct 3 ms 4696 KB Output is correct
95 Correct 37 ms 4696 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4444 KB Output is correct
98 Correct 1 ms 4444 KB Output is correct
99 Correct 1 ms 4440 KB Output is correct