oj.uz

Submission #295316

# Submission time Handle Problem Language Result Execution time Memory
295316 2020-09-09T15:34:03 Z 최은수(#5799) Treatment Project (JOI20_treatment) C++17
35 / 100
 108 ms 28536 KB 
#include<iostream>
#include<vector>
#include<queue>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
const int mx=100010;
struct query
{
    int t,l,r,c;
};
vector<pi>adj[mx*2];
ll dis[mx*2];
bool chk[mx*2];
inline void dijk(int n,int s)
{
    fill(dis,dis+n,INF);
    priority_queue<pl,vector<pl>,greater<pl> >pq;
    pq.ep(dis[s]=0,s);
    while(!pq.empty())
    {
        int x=pq.top().se;
        ll w=pq.top().fi;
        pq.pop();
        if(dis[x]!=w)
            continue;
        for(pi&t:adj[x])
            if(dis[t.fi]>w+t.se)
                pq.ep(dis[t.fi]=w+t.se,t.fi);
    }
    return;
}
int nct;
int nd[mx*4];
vector<query>qv;
void con(int n,int s,int e,const vector<int>&v)
{
    if(s==e)
    {
        nd[n]=v[s];
        return;
    }
    nd[n]=nct++;
    int m=s+(e-s)/2;
    con(n*2,s,m,v);
    con(n*2+1,m+1,e,v);
    adj[nd[n]].eb(nd[n*2],s==m?qv[v[s]].c:0);
    adj[nd[n]].eb(nd[n*2+1],m+1==e?qv[v[e]].c:0);
    return;
}
void put(int n,int s,int e,int S,int E,int st)
{
    if(s>E||S>e)
        return;
    if(S<=s&&e<=E)
    {
        adj[st].eb(nd[n],s==e?qv[nd[n]].c:0);
        return;
    }
    int m=s+(e-s)/2;
    put(n*2,s,m,S,E,st);
    put(n*2+1,m+1,e,S,E,st);
    return;
}
void dnc(const vector<int>&v,int s,int e)
{
    if(s==e)
        return;
    int m=s+(e-s)/2;
    dnc(v,s,m);
    dnc(v,m+1,e);
    vector<int>lv,rv;
    for(int i=s;i<=m;i++)
        lv.eb(v[i]);
    for(int i=m;i++<e;)
        rv.eb(v[i]);
    sort(all(lv),[&](const int&x,const int&y){return qv[x].l-qv[x].t<qv[y].l-qv[y].t;});
    sort(all(rv),[&](const int&x,const int&y){return qv[x].l+qv[x].t<qv[y].l+qv[y].t;});
    {
        int lmx=(int)lv.size()-1;
        con(1,0,lmx,lv);
        for(int&t:rv)
        {
            int sc=-1,ec=lmx;
            int cval=qv[t].r-qv[t].t+1;
            while(sc<ec)
            {
                int mc=sc+(ec-sc+1)/2;
                if(cval>=qv[lv[mc]].l-qv[lv[mc]].t)
                    sc=mc;
                else
                    ec=mc-1;
            }
            if(sc>=0)
                put(1,0,lmx,0,sc,t);
        }
    }
    {
        int rmx=(int)rv.size()-1;
        con(1,0,rmx,rv);
        for(int&t:lv)
        {
            int sc=-1,ec=rmx;
            int cval=qv[t].r+qv[t].t+1;
            while(sc<ec)
            {
                int mc=sc+(ec-sc+1)/2;
                if(cval>=qv[rv[mc]].l+qv[rv[mc]].t)
                    sc=mc;
                else
                    ec=mc-1;
            }
            if(sc>=0)
                put(1,0,rmx,0,sc,t);
        }
    }
    return;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,m;
    cin>>n>>m;
    qv.resize(m);
    for(auto&t:qv)
        cin>>t.t>>t.l>>t.r>>t.c;
    for(int i=0;i<m;i++)
    {
        if(qv[i].l==1)
            adj[m+1].eb(i,qv[i].c);
        if(qv[i].r==n)
            adj[i].eb(m,0);
    }
    nct=m+2;
    vector<int>cv(m);
    for(int i=0;i<m;i++)
        cv[i]=i;
    sort(all(cv),[&](const int&x,const int&y){return qv[x].t<qv[y].t;});
    dnc(cv,0,m-1);
    dijk(nct,m+1);
    if(dis[m]==INF)
        dis[m]=-1;
    cout<<dis[m]<<endl;
    return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 28536 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 5 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 5 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 5 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 5 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 31 ms 8824 KB Output is correct
21 Correct 32 ms 8824 KB Output is correct
22 Correct 26 ms 8056 KB Output is correct
23 Correct 25 ms 8064 KB Output is correct
24 Correct 42 ms 9848 KB Output is correct
25 Correct 37 ms 9336 KB Output is correct
26 Correct 33 ms 9080 KB Output is correct
27 Correct 30 ms 9080 KB Output is correct
28 Correct 38 ms 9720 KB Output is correct
29 Correct 40 ms 9340 KB Output is correct
30 Correct 29 ms 9208 KB Output is correct
31 Correct 30 ms 9088 KB Output is correct
32 Correct 40 ms 10104 KB Output is correct
33 Correct 40 ms 9600 KB Output is correct
34 Correct 39 ms 9592 KB Output is correct
35 Correct 44 ms 10104 KB Output is correct
36 Correct 37 ms 9464 KB Output is correct
37 Correct 39 ms 9592 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 28536 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -