Submission #1063531

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063531		Dennis_Jason	Stone Arranging 2 (JOI23_ho_t1)	C++14	0 / 100	1 ms	348 KiB

Main

#include <bits/stdc++.h>
#define NMAX 1010
//#define int long long
#define pb push_back
#define eb emplace_back
#define MOD 1000000007
#define nl '\n'
#define INF  1000000007
#define LLONG_MAX 9223372036854775807
#define pii pair<int,int>
#define tpl tuple<int,int,int,int>
//#pragma GCC optimize("O3")
using namespace std;
ifstream fin("aib.in");
ofstream fout("aib.out");
/*
 *
 *
    ----------------DEMONSTRATION-------------------
            1 2 2 3 4 2

                    1 2 3 4 5 6
            1 2 3              4 5 6
        1 2       3         4 5       6
    1       2             4     5
    ---------------------END------------------------
 */
int n;
vector<int>v;
vector<int>ans;
class segtree{
private:
    int n;
    vector<int>tree;
    vector<int>lazy;
public:
    void init(int sz)
    {
        n=sz;
        tree.resize(4*sz+1);
        lazy.resize(4*sz+1);
    }
    void push(int node,int L,int R)
    {
        if(lazy[node])
        {
            tree[node] = lazy[node];
            if(L != R)
            {
                lazy[2*node] = lazy[node];
                lazy[2*node+1] = lazy[node];
            }
            lazy[node] = 0;
        }
    }
    void update_lazy(int node,int st,int dr,int L,int R,int val)
    {

        push(node,st,dr);
        if(st>R || dr<L)
            return;
        if(L<=st && dr<=R)
        {
            lazy[node]=val;
            push(node,st,dr);
            return;

        }
        int mid=(st+dr)/2;
        update_lazy(2*node,st,mid,L,R,val);
        update_lazy(2*node+1,mid+1,dr,L,R,val);
        tree[node]=max(tree[2*node],tree[2*node+1]);
    }
    void update(int node,int st,int dr,int pos,int val)
    {
       
        if(st==dr)
        {
            tree[node]=val;
            return;
        }
        int mid=(st+dr)/2;
        if(pos<=mid)
            update(2*node,st,mid,pos,val);
        else
            update(2*node+1,mid+1,dr,pos,val);
        tree[node]=max(tree[2*node],tree[2*node+1]);
    }

    int last_stone(int node,int st,int dr,int L,int R,int val)
    {
        
        if(tree[node]<val || st>R || dr<L)
            return 0;
        if(st==dr)
        {
            if(tree[node]==val)
                return st;
            else
                return 0;
        }
        int mid=(st+dr)/2;
        int ans= last_stone(2*node+1,mid+1,dr,L,R,val);
        if(ans==0)
            ans= last_stone(2*node,st,mid,L,R,val);
        return ans;
    }
    void print(int node,int st,int dr)
    {
        push(node,st,dr);
        if(st==dr)
        {
            ans[st]=tree[node];
            return;
        }
        int mid=(st+dr)/2;
        print(2*node,st,mid);
        print(2*node+1,mid+1,dr);
    }

    void update(int pos,int val)
    {
        update(1,1,n,pos,val);
    }
    int last(int L,int R,int val)
    {
        if(L>R)
            return 0;
        return last_stone(1,1,n,L,R,val);
    }
    void update_lazy(int L,int R,int val)
    {
        update_lazy(1,1,n,L,R,val);
    }

};

segtree seg;
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin>>n;
    v.resize(n+1);
    ans.resize(n+1);
    vector<int>aux(n+1);
    for(int i=1;i<=n;++i)
    {
        cin>>v[i];
    }
//    aux=v;
//    sort(aux.begin()+1,aux.end());
//    map<int,int>mp;
//    int cnt=0;
//    for(int i=1;i<=n;++i)
//    {
//        if(!mp[aux[i]])
//            mp[aux[i]]=++cnt;
//    }
//    for(int i=1;i<=n;++i)
//    {
//        v[i]=mp[v[i]];
//    }
    seg.init(n);
    for(int i=1;i<=n;++i)
    {
        int res=seg.last(1,i-1,v[i]);
        seg.update(i,v[i]);
        if(res!=0)
        {
            seg.update_lazy(res,i,v[i]);
        }
    }
    seg.print(1,1,n);
    for(int i=1;i<=n;++i)
    {
        cout<<ans[i]<<nl;
    }



    return 0;
}

Compilation message (stderr)

Main.cpp:9: warning: "LLONG_MAX" redefined
    9 | #define LLONG_MAX 9223372036854775807
      | 
In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/limits.h:195,
                 from /usr/lib/gcc/x86_64-linux-gnu/10/include/syslimits.h:7,
                 from /usr/lib/gcc/x86_64-linux-gnu/10/include/limits.h:34,
                 from /usr/include/c++/10/climits:42,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:39,
                 from Main.cpp:1:
/usr/include/limits.h:135: note: this is the location of the previous definition
  135 | #  define LLONG_MAX __LONG_LONG_MAX__
      |

• Subtask 1: 0 / 25
• Subtask 2: 0 / 35
• Subtask 3: 0 / 40