oj.uz

Submission #171935

# Submission time Handle Problem Language Result Execution time Memory
171935 2019-12-30T16:29:39 Z DeD_TihoN K blocks (IZhO14_blocks) C++14
100 / 100
 459 ms 6644 KB 
#pragma GCC optimize ("O3")
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ll long long
#define ld long double
#define endl '\n'
#define all(a) a.begin(),a.end()
#define ull unsigned long long
#define y1 yaumru
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define iter set< pair<int,int> >::iterator
#define iter1 set< pair< int,pair<int,int> > >::iterator
#define int long long
using namespace std;
using namespace __gnu_pbds;

template<class T>
using ordered_set=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

template<class T>
using ordered_multiset=tree<T,null_type,less_equal<T>,rb_tree_tag,tree_order_statistics_node_update>;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rnd1(chrono::steady_clock::now().time_since_epoch().count());

//find_by_order
//order_of_key

const int N=1e5+7;
const int inf=1e18+1e9;
const int mod=1e9+7;
const ld eps=1e-9;

int a[N];
int dp[N];
int dp1[N];
int t[N*4];
int ob[N*4];

void push(int v,int l,int r)
{
    if (ob[v]){
        t[v]+=ob[v];
        if (l!=r){
            ob[v+v]+=ob[v];
            ob[v+v+1]+=ob[v];
        }
        ob[v]=0;
    }
}

void update(int v,int l,int r,int l1,int r1,int x)
{
    push(v,l,r);
    if (l>r1 || r<l1)return;
    if (l>=l1 && r<=r1){
        ob[v]+=x;
        push(v,l,r);
        return;
    }
    int mid=(l+r)/2;
    update(v+v,l,mid,l1,r1,x);
    update(v+v+1,mid+1,r,l1,r1,x);
    t[v]=min(t[v+v],t[v+v+1]);
}

int get(int v,int l,int r,int l1,int r1)
{
    push(v,l,r);
    if (l>r1 || r<l1)return inf;
    if (l>=l1 && r<=r1){
        return t[v];
    }
    int mid=(l+r)/2;
    return min(get(v+v,l,mid,l1,r1),get(v+v+1,mid+1,r,l1,r1));
}

main ()
{
    ios;
    int n,k;
    cin>>n>>k;
    for (int i=1;i<=n;++i){
        cin>>a[i];
    }
    int mx=0;
    dp[0]=inf;
    for (int i=1;i<=n;++i){
        mx=max(mx,a[i]);
        dp[i]=mx;
    }
    for (int tt=2;tt<=k;++tt){
        vector< pair< pair<int,int>,pair<int,int> > >c;
        c.pb({{inf,inf},{inf,0}});
        dp1[0]=inf;
        for (int i=1;i<=n;++i){
            c.pb({{0,dp[i-1]},{dp[i-1],i}});
            int cur=inf;
            int r=i;
            while(a[i]>=c.back().ff.ff){
                int pos=c.back().ss.ss;
                int res=c.back().ff.ss;
                res+=a[i]-c.back().ff.ff;
                cur=min(cur,res);
                c.pop_back();
                r=pos;
            }
            int l=min(cur,c.back().ss.ff);
            dp1[i]=l;
            c.pb({{a[i],cur},{l,r}});
        }
        for (int i=0;i<=n;++i){
            dp[i]=dp1[i];
        }
    }
    cout<<dp[n]<<endl;
}

Compilation message

blocks.cpp:83:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 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 428 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 0 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

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 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 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 376 KB Output is correct
14 Correct 2 ms 504 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 420 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 420 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 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

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 632 KB Output is correct
2 Correct 8 ms 1016 KB Output is correct
3 Correct 15 ms 1400 KB Output is correct
4 Correct 95 ms 1456 KB Output is correct
5 Correct 273 ms 3064 KB Output is correct
6 Correct 21 ms 3320 KB Output is correct
7 Correct 131 ms 3432 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 376 KB Output is correct
14 Correct 30 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 10 ms 632 KB Output is correct
17 Correct 8 ms 1324 KB Output is correct
18 Correct 15 ms 1784 KB Output is correct
19 Correct 99 ms 1792 KB Output is correct
20 Correct 283 ms 3448 KB Output is correct
21 Correct 21 ms 3448 KB Output is correct
22 Correct 135 ms 3320 KB Output is correct
23 Correct 15 ms 2552 KB Output is correct
24 Correct 40 ms 3448 KB Output is correct
25 Correct 285 ms 3448 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 38 ms 992 KB Output is correct
29 Correct 4 ms 888 KB Output is correct
30 Correct 12 ms 940 KB Output is correct
31 Correct 8 ms 1400 KB Output is correct
32 Correct 18 ms 2764 KB Output is correct
33 Correct 135 ms 2792 KB Output is correct
34 Correct 459 ms 6136 KB Output is correct
35 Correct 25 ms 6544 KB Output is correct
36 Correct 215 ms 6644 KB Output is correct
37 Correct 4 ms 632 KB Output is correct
38 Correct 29 ms 632 KB Output is correct
39 Correct 2 ms 380 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 1 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct