oj.uz

Submission #295318

# Submission time Handle Problem Language Result Execution time Memory
295318 2020-09-09T15:35:04 Z 최은수(#5799) Treatment Project (JOI20_treatment) C++17
100 / 100
 1696 ms 209904 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*20];
ll dis[mx*20];
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
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1215 ms 187560 KB Output is correct
2 Correct 1085 ms 187816 KB Output is correct
3 Correct 1218 ms 178892 KB Output is correct
4 Correct 1248 ms 183656 KB Output is correct
5 Correct 1126 ms 181668 KB Output is correct
6 Correct 1033 ms 171304 KB Output is correct
7 Correct 823 ms 160796 KB Output is correct
8 Correct 818 ms 178600 KB Output is correct
9 Correct 771 ms 169896 KB Output is correct
10 Correct 679 ms 160284 KB Output is correct
11 Correct 1159 ms 169356 KB Output is correct
12 Correct 1188 ms 169064 KB Output is correct
13 Correct 1404 ms 190328 KB Output is correct
14 Correct 1425 ms 190532 KB Output is correct
15 Correct 1389 ms 188236 KB Output is correct
16 Correct 1397 ms 188004 KB Output is correct
17 Correct 1450 ms 188172 KB Output is correct
18 Correct 1275 ms 171532 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47352 KB Output is correct
2 Correct 37 ms 47272 KB Output is correct
3 Correct 33 ms 47352 KB Output is correct
4 Correct 41 ms 47352 KB Output is correct
5 Correct 34 ms 47352 KB Output is correct
6 Correct 39 ms 47352 KB Output is correct
7 Correct 32 ms 47352 KB Output is correct
8 Correct 34 ms 47264 KB Output is correct
9 Correct 32 ms 47336 KB Output is correct
10 Correct 41 ms 47352 KB Output is correct
11 Correct 33 ms 47352 KB Output is correct
12 Correct 35 ms 47288 KB Output is correct
13 Correct 34 ms 47352 KB Output is correct
14 Correct 39 ms 47360 KB Output is correct
15 Correct 34 ms 47352 KB Output is correct
16 Correct 38 ms 47352 KB Output is correct
17 Correct 44 ms 47360 KB Output is correct
18 Correct 32 ms 47360 KB Output is correct
19 Correct 33 ms 47304 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47352 KB Output is correct
2 Correct 37 ms 47272 KB Output is correct
3 Correct 33 ms 47352 KB Output is correct
4 Correct 41 ms 47352 KB Output is correct
5 Correct 34 ms 47352 KB Output is correct
6 Correct 39 ms 47352 KB Output is correct
7 Correct 32 ms 47352 KB Output is correct
8 Correct 34 ms 47264 KB Output is correct
9 Correct 32 ms 47336 KB Output is correct
10 Correct 41 ms 47352 KB Output is correct
11 Correct 33 ms 47352 KB Output is correct
12 Correct 35 ms 47288 KB Output is correct
13 Correct 34 ms 47352 KB Output is correct
14 Correct 39 ms 47360 KB Output is correct
15 Correct 34 ms 47352 KB Output is correct
16 Correct 38 ms 47352 KB Output is correct
17 Correct 44 ms 47360 KB Output is correct
18 Correct 32 ms 47360 KB Output is correct
19 Correct 33 ms 47304 KB Output is correct
20 Correct 66 ms 51092 KB Output is correct
21 Correct 67 ms 51064 KB Output is correct
22 Correct 55 ms 50300 KB Output is correct
23 Correct 57 ms 50188 KB Output is correct
24 Correct 68 ms 51960 KB Output is correct
25 Correct 68 ms 51576 KB Output is correct
26 Correct 64 ms 51320 KB Output is correct
27 Correct 59 ms 51192 KB Output is correct
28 Correct 75 ms 51960 KB Output is correct
29 Correct 70 ms 51512 KB Output is correct
30 Correct 63 ms 51320 KB Output is correct
31 Correct 59 ms 51196 KB Output is correct
32 Correct 75 ms 52312 KB Output is correct
33 Correct 78 ms 51708 KB Output is correct
34 Correct 70 ms 51832 KB Output is correct
35 Correct 75 ms 52344 KB Output is correct
36 Correct 66 ms 51704 KB Output is correct
37 Correct 70 ms 51832 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 1215 ms 187560 KB Output is correct
2 Correct 1085 ms 187816 KB Output is correct
3 Correct 1218 ms 178892 KB Output is correct
4 Correct 1248 ms 183656 KB Output is correct
5 Correct 1126 ms 181668 KB Output is correct
6 Correct 1033 ms 171304 KB Output is correct
7 Correct 823 ms 160796 KB Output is correct
8 Correct 818 ms 178600 KB Output is correct
9 Correct 771 ms 169896 KB Output is correct
10 Correct 679 ms 160284 KB Output is correct
11 Correct 1159 ms 169356 KB Output is correct
12 Correct 1188 ms 169064 KB Output is correct
13 Correct 1404 ms 190328 KB Output is correct
14 Correct 1425 ms 190532 KB Output is correct
15 Correct 1389 ms 188236 KB Output is correct
16 Correct 1397 ms 188004 KB Output is correct
17 Correct 1450 ms 188172 KB Output is correct
18 Correct 1275 ms 171532 KB Output is correct
19 Correct 32 ms 47352 KB Output is correct
20 Correct 37 ms 47272 KB Output is correct
21 Correct 33 ms 47352 KB Output is correct
22 Correct 41 ms 47352 KB Output is correct
23 Correct 34 ms 47352 KB Output is correct
24 Correct 39 ms 47352 KB Output is correct
25 Correct 32 ms 47352 KB Output is correct
26 Correct 34 ms 47264 KB Output is correct
27 Correct 32 ms 47336 KB Output is correct
28 Correct 41 ms 47352 KB Output is correct
29 Correct 33 ms 47352 KB Output is correct
30 Correct 35 ms 47288 KB Output is correct
31 Correct 34 ms 47352 KB Output is correct
32 Correct 39 ms 47360 KB Output is correct
33 Correct 34 ms 47352 KB Output is correct
34 Correct 38 ms 47352 KB Output is correct
35 Correct 44 ms 47360 KB Output is correct
36 Correct 32 ms 47360 KB Output is correct
37 Correct 33 ms 47304 KB Output is correct
38 Correct 66 ms 51092 KB Output is correct
39 Correct 67 ms 51064 KB Output is correct
40 Correct 55 ms 50300 KB Output is correct
41 Correct 57 ms 50188 KB Output is correct
42 Correct 68 ms 51960 KB Output is correct
43 Correct 68 ms 51576 KB Output is correct
44 Correct 64 ms 51320 KB Output is correct
45 Correct 59 ms 51192 KB Output is correct
46 Correct 75 ms 51960 KB Output is correct
47 Correct 70 ms 51512 KB Output is correct
48 Correct 63 ms 51320 KB Output is correct
49 Correct 59 ms 51196 KB Output is correct
50 Correct 75 ms 52312 KB Output is correct
51 Correct 78 ms 51708 KB Output is correct
52 Correct 70 ms 51832 KB Output is correct
53 Correct 75 ms 52344 KB Output is correct
54 Correct 66 ms 51704 KB Output is correct
55 Correct 70 ms 51832 KB Output is correct
56 Correct 1074 ms 148880 KB Output is correct
57 Correct 1060 ms 149060 KB Output is correct
58 Correct 935 ms 144848 KB Output is correct
59 Correct 948 ms 144732 KB Output is correct
60 Correct 743 ms 122036 KB Output is correct
61 Correct 1155 ms 144524 KB Output is correct
62 Correct 1111 ms 149184 KB Output is correct
63 Correct 520 ms 112264 KB Output is correct
64 Correct 520 ms 112068 KB Output is correct
65 Correct 1455 ms 188492 KB Output is correct
66 Correct 707 ms 122024 KB Output is correct
67 Correct 1447 ms 181592 KB Output is correct
68 Correct 1357 ms 175924 KB Output is correct
69 Correct 1107 ms 174240 KB Output is correct
70 Correct 1570 ms 182988 KB Output is correct
71 Correct 1208 ms 178692 KB Output is correct
72 Correct 1084 ms 172828 KB Output is correct
73 Correct 1455 ms 182908 KB Output is correct
74 Correct 971 ms 178640 KB Output is correct
75 Correct 831 ms 170920 KB Output is correct
76 Correct 1473 ms 181156 KB Output is correct
77 Correct 1696 ms 209904 KB Output is correct
78 Correct 1524 ms 190652 KB Output is correct
79 Correct 1534 ms 181992 KB Output is correct
80 Correct 1515 ms 188432 KB Output is correct
81 Correct 1123 ms 181732 KB Output is correct
82 Correct 1592 ms 189192 KB Output is correct
83 Correct 1515 ms 189332 KB Output is correct
84 Correct 1467 ms 182568 KB Output is correct
85 Correct 1167 ms 180388 KB Output is correct
86 Correct 1192 ms 179672 KB Output is correct
87 Correct 1246 ms 180396 KB Output is correct
88 Correct 1100 ms 162860 KB Output is correct
89 Correct 1200 ms 180392 KB Output is correct
90 Correct 1465 ms 186776 KB Output is correct
91 Correct 1359 ms 182824 KB Output is correct
92 Correct 1277 ms 181772 KB Output is correct
93 Correct 1417 ms 181928 KB Output is correct
94 Correct 1378 ms 185856 KB Output is correct
95 Correct 1342 ms 178472 KB Output is correct
96 Correct 1436 ms 187944 KB Output is correct
97 Correct 1467 ms 182708 KB Output is correct
98 Correct 1450 ms 183452 KB Output is correct
99 Correct 1501 ms 183640 KB Output is correct
100 Correct 1416 ms 178724 KB Output is correct
101 Correct 1472 ms 181900 KB Output is correct
102 Correct 1186 ms 157524 KB Output is correct
103 Correct 1243 ms 182184 KB Output is correct