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답안 #76345

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
76345 2018-09-12T20:41:19 Z Vasiljko Pinball (JOI14_pinball) C++14
51 / 100
 1000 ms 43856 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const ll MOD = 1e9+7;
const ll INF = 1e18+10;
const int N = 1e5+5;

ll n;
int m,original[3*N];
ll a[N],b[N],c[N],d[N],dpl[N],dpr[N];
map<ll,int>mp;
set<ll>s;

struct node{
    ll t;
    node *L,*R;
    node(){
        t=INF;
        L=nullptr;
        R=nullptr;
    }
}*root;

void Set(node *cur,ll ss,ll se,ll ind,ll val){
    if(ss==se){
        cur->t=min(cur->t,val);
        return;
    }
    ll mid=(ss+se)>>1LL;
    if(ind<=mid){
        if(cur->L==nullptr)cur->L=new node();
        Set(cur->L,ss,mid,ind,val);
        cur->t=min(cur->t,cur->L->t);
    }
    else{
        if(cur->R==nullptr)cur->R=new node();
        Set(cur->R,mid+1LL,se,ind,val);
        cur->t=min(cur->t,cur->R->t);
    }
}

ll Get(node *cur,ll ss,ll se,ll qs,ll qe){
    if(qs>se||qe<ss||ss>se)return INF;
    if(qs<=ss&&se<=qe)return cur->t;

    ll mid=(ss+se)>>1LL;

    if(cur->L==nullptr)cur->L=new node();
    if(cur->R==nullptr)cur->R=new node();

    return min(Get(cur->L,ss,mid,qs,qe),Get(cur->R,mid+1,se,qs,qe));
}


int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    root=new node();
    cin>>m>>n;
    for(int i=1;i<=m;i++){
        cin>>a[i]>>b[i]>>c[i]>>d[i];
        s.insert(a[i]);
        s.insert(b[i]);
        s.insert(c[i]);
    }
    int cnt=0;
    for(auto e:s){
        mp[e]=++cnt;
        original[cnt]=e;
    }

    ll ans=2*INF;

    for(int i=1;i<=m;i++){
        if(a[i]==1){
            dpl[i]=d[i];
            Set(root,1,cnt,mp[c[i]],dpl[i]);
        }else{
            dpl[i]=INF;
            dpl[i]=min(dpl[i],d[i]+Get(root,1,cnt,mp[a[i]],mp[b[i]]));
            Set(root,1,cnt,mp[c[i]],dpl[i]);
        }
    }

    root = new node();
    for(int i=1;i<=m;i++){
        if(b[i]==n){
            dpr[i]=d[i];
            Set(root,1,cnt,mp[c[i]],dpr[i]);
        }else{
            dpr[i]=INF;
            dpr[i]=min(dpr[i],d[i]+Get(root,1,cnt,mp[a[i]],mp[b[i]]));
            Set(root,1,cnt,mp[c[i]],dpr[i]);
        }
    }

    for(int i=1;i<=m;i++)ans=min(ans,dpl[i]+dpr[i]-d[i]);
    if(ans==INF)ans=-1;

    cout<<ans;
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 680 KB Output is correct
13 Correct 3 ms 680 KB Output is correct
14 Correct 3 ms 680 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 680 KB Output is correct
13 Correct 3 ms 680 KB Output is correct
14 Correct 3 ms 680 KB Output is correct
15 Correct 2 ms 680 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 5 ms 1080 KB Output is correct
18 Correct 4 ms 1080 KB Output is correct
19 Correct 8 ms 1220 KB Output is correct
20 Correct 4 ms 1220 KB Output is correct
21 Correct 4 ms 1220 KB Output is correct
22 Correct 6 ms 1348 KB Output is correct
23 Correct 5 ms 1348 KB Output is correct
24 Correct 7 ms 1348 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 680 KB Output is correct
13 Correct 3 ms 680 KB Output is correct
14 Correct 3 ms 680 KB Output is correct
15 Correct 2 ms 680 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 5 ms 1080 KB Output is correct
18 Correct 4 ms 1080 KB Output is correct
19 Correct 8 ms 1220 KB Output is correct
20 Correct 4 ms 1220 KB Output is correct
21 Correct 4 ms 1220 KB Output is correct
22 Correct 6 ms 1348 KB Output is correct
23 Correct 5 ms 1348 KB Output is correct
24 Correct 7 ms 1348 KB Output is correct
25 Correct 57 ms 5060 KB Output is correct
26 Correct 209 ms 14572 KB Output is correct
27 Correct 655 ms 27376 KB Output is correct
28 Correct 221 ms 27376 KB Output is correct
29 Correct 474 ms 27376 KB Output is correct
30 Correct 465 ms 27376 KB Output is correct
31 Execution timed out 1074 ms 43856 KB Time limit exceeded
32 Halted 0 ms 0 KB -