oj.uz

Submission #874013

# Submission time Handle Problem Language Result Execution time Memory
874013 2023-11-16T07:45:03 Z 8pete8 K blocks (IZhO14_blocks) C++14
100 / 100
 401 ms 3084 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 double long double
const int mxn=1e5,inf=1e9;
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);
    }
    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:36:20: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   36 | int qry(int l,int r){
      |                    ^
blocks.cpp:44:12: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   44 | void build(){for(int i=n-1;i>=0;i--)seg[i]=min(seg[i<<1],seg[(i<<1)^1]);}
      |            ^
blocks.cpp:45:14: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   45 | int32_t main(){
      |              ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2648 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 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 2392 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2408 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2648 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 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 2392 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2408 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2648 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 0 ms 2392 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2392 KB Output is correct
47 Correct 1 ms 2392 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2648 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 0 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 0 ms 2396 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2648 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 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 2392 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2408 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2648 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 0 ms 2392 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2392 KB Output is correct
47 Correct 1 ms 2392 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2648 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 0 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 0 ms 2396 KB Output is correct
58 Correct 11 ms 2552 KB Output is correct
59 Correct 6 ms 2516 KB Output is correct
60 Correct 16 ms 2652 KB Output is correct
61 Correct 140 ms 2668 KB Output is correct
62 Correct 401 ms 2788 KB Output is correct
63 Correct 19 ms 2652 KB Output is correct
64 Correct 186 ms 2780 KB Output is correct
65 Correct 0 ms 2392 KB Output is correct
66 Correct 1 ms 2396 KB Output is correct
67 Correct 1 ms 2396 KB Output is correct
68 Correct 0 ms 2396 KB Output is correct
69 Correct 0 ms 2396 KB Output is correct
70 Correct 1 ms 2396 KB Output is correct
71 Correct 21 ms 2396 KB Output is correct
72 Correct 2 ms 2392 KB Output is correct
73 Correct 6 ms 2396 KB Output is correct
74 Correct 5 ms 2652 KB Output is correct
75 Correct 10 ms 2520 KB Output is correct
76 Correct 69 ms 2668 KB Output is correct
77 Correct 204 ms 2780 KB Output is correct
78 Correct 14 ms 2652 KB Output is correct
79 Correct 97 ms 2648 KB Output is correct
80 Correct 10 ms 2652 KB Output is correct
81 Correct 27 ms 2780 KB Output is correct
82 Correct 202 ms 2784 KB Output is correct
83 Correct 0 ms 2392 KB Output is correct
84 Correct 1 ms 2396 KB Output is correct
85 Correct 14 ms 2592 KB Output is correct
86 Correct 1 ms 2396 KB Output is correct
87 Correct 4 ms 2396 KB Output is correct
88 Correct 4 ms 2792 KB Output is correct
89 Correct 9 ms 2652 KB Output is correct
90 Correct 48 ms 2756 KB Output is correct
91 Correct 136 ms 3084 KB Output is correct
92 Correct 12 ms 2908 KB Output is correct
93 Correct 68 ms 3080 KB Output is correct
94 Correct 2 ms 2392 KB Output is correct
95 Correct 39 ms 2556 KB Output is correct
96 Correct 1 ms 2396 KB Output is correct
97 Correct 1 ms 2396 KB Output is correct
98 Correct 0 ms 2396 KB Output is correct
99 Correct 0 ms 2396 KB Output is correct