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답안 #501911

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
501911 2022-01-04T19:12:28 Z Urvuk3 Pinball (JOI14_pinball) C++17
100 / 100
 446 ms 95404 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
const ll MAXN=1e6+5,MAXA=5e6+5,INF=1e9,LINF=1e18;
#define fi first
#define se second
#define pll pair<ll,ll>
#define pii pair<int,int>
#define mid (l+r)/2
#define sz(a) int((a).size())
#define all(a) a.begin(),a.end()
#define mod 1000000007LL
#define pb push_back
#define endl "\n"
#define PRINT(x) cerr<<#x<<'-'<<x<<endl<<flush;
#define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define pb push_back
#define pf push_front
#define ppf pop_front
#define ppb pop_back
#define PRINTvec(x) { cerr<<#x<<"-"; for(int i=0;i<sz(x);i++) cerr<<x[i]<<" "; cerr<<endl; }

ll n,m,k,q,x,y,z,res=LINF,l,r;
string s,t;
ifstream input;
ofstream output;

#ifdef ONLINE_JUDGE
    #define input cin
    #define output cout
#endif

vector<ll> segL(4*MAXN,LINF),segR(4*MAXN,LINF);
vector<ll> dpL(MAXN),dpR(MAXN);

void update(vector<ll>& seg,int node,int l,int r,int idx,ll val){
    if(l==r){
        seg[node]=min(seg[node],val);
        return;
    }
    if(idx<=mid) update(seg,2*node,l,mid,idx,val);
    else update(seg,2*node+1,mid+1,r,idx,val);
    seg[node]=min(seg[2*node],seg[2*node+1]);
}

ll query(vector<ll>& seg,int node,int l,int r,int L,int R){
    if(L<=l && r<=R){
        return seg[node];
    }
    ll ret=LINF;
    if(L<=mid) ret=min(ret,query(seg,2*node,l,mid,L,R));
    if(R>mid) ret=min(ret,query(seg,2*node+1,mid+1,r,L,R));
    return ret;
}

struct dev{
    int a,b,c,d;
    void input(){
        cin>>a>>b>>c>>d;
    }
    void output(){
        cout<<"a="<<a<<" b="<<b<<" c="<<c<<" d="<<d<<endl;
    }
};

vector<dev> a;

void solve(){
    cin>>n>>m;
    a.resize(n+1);
    vector<int> svi;
    svi.pb(1); svi.pb(m);
    for(int i=1;i<=n;i++){
        a[i].input();
        svi.pb(a[i].a); svi.pb(a[i].b); svi.pb(a[i].c);
    }
    getunique(svi);
    map<int,int> val;
    for(int i=0;i<sz(svi);i++){
        val[svi[i]]=i+1;
    }
    for(int i=1;i<=n;i++){
        a[i].a=val[a[i].a];
        a[i].b=val[a[i].b];
        a[i].c=val[a[i].c];
    }
    for(int i=1;i<=n;i++){
        if(a[i].a==1){
            dpL[i]=a[i].d;
        }
        else{
            dpL[i]=query(segL,1,1,sz(svi),a[i].a,a[i].b)+a[i].d;
        }
        if(a[i].b==sz(svi)){
            dpR[i]=a[i].d;
        }
        else{
            dpR[i]=query(segR,1,1,sz(svi),a[i].a,a[i].b)+a[i].d;
        }
        update(segL,1,1,sz(svi),a[i].c,dpL[i]);
        update(segR,1,1,sz(svi),a[i].c,dpR[i]);
    }
    for(int i=1;i<=n;i++){
        ///cout<<"dpL["<<i<<"]="<<dpL[i]<<endl;
        ///cout<<"dpR["<<i<<"]="<<dpR[i]<<endl;
        if(dpL[i]>=LINF || dpR[i]>=LINF) continue;
        res=min(res,dpL[i]+dpR[i]-a[i].d);
    }
    cout<<(res!=LINF ? res : -1)<<endl;
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    #ifndef ONLINE_JUDGE
        input.open("D:\\UROS\\Programiranje\\input.in",ios::in);
	output.open("D:\\UROS\\Programiranje\\output.out",ios::out|ios::trunc);
    #endif
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
    int t;
    //cin>>t;
    t=1;
    while(t--){
        solve();
    }
    return 0;
}

/*
5 6
2 4 3 5
1 2 2 8
3 6 5 2
4 6 4 7
2 4 3 10
*/

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 78528 KB Output is correct
2 Correct 30 ms 78540 KB Output is correct
3 Correct 30 ms 78540 KB Output is correct
4 Correct 31 ms 78492 KB Output is correct
5 Correct 36 ms 78600 KB Output is correct
6 Correct 35 ms 78536 KB Output is correct
7 Correct 31 ms 78564 KB Output is correct
8 Correct 31 ms 78568 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 78528 KB Output is correct
2 Correct 30 ms 78540 KB Output is correct
3 Correct 30 ms 78540 KB Output is correct
4 Correct 31 ms 78492 KB Output is correct
5 Correct 36 ms 78600 KB Output is correct
6 Correct 35 ms 78536 KB Output is correct
7 Correct 31 ms 78564 KB Output is correct
8 Correct 31 ms 78568 KB Output is correct
9 Correct 29 ms 78604 KB Output is correct
10 Correct 29 ms 78604 KB Output is correct
11 Correct 29 ms 78624 KB Output is correct
12 Correct 30 ms 78556 KB Output is correct
13 Correct 30 ms 78556 KB Output is correct
14 Correct 36 ms 78540 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 78528 KB Output is correct
2 Correct 30 ms 78540 KB Output is correct
3 Correct 30 ms 78540 KB Output is correct
4 Correct 31 ms 78492 KB Output is correct
5 Correct 36 ms 78600 KB Output is correct
6 Correct 35 ms 78536 KB Output is correct
7 Correct 31 ms 78564 KB Output is correct
8 Correct 31 ms 78568 KB Output is correct
9 Correct 29 ms 78604 KB Output is correct
10 Correct 29 ms 78604 KB Output is correct
11 Correct 29 ms 78624 KB Output is correct
12 Correct 30 ms 78556 KB Output is correct
13 Correct 30 ms 78556 KB Output is correct
14 Correct 36 ms 78540 KB Output is correct
15 Correct 37 ms 78508 KB Output is correct
16 Correct 29 ms 78584 KB Output is correct
17 Correct 31 ms 78732 KB Output is correct
18 Correct 34 ms 78636 KB Output is correct
19 Correct 31 ms 78692 KB Output is correct
20 Correct 31 ms 78648 KB Output is correct
21 Correct 31 ms 78656 KB Output is correct
22 Correct 31 ms 78668 KB Output is correct
23 Correct 30 ms 78740 KB Output is correct
24 Correct 31 ms 78688 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 78528 KB Output is correct
2 Correct 30 ms 78540 KB Output is correct
3 Correct 30 ms 78540 KB Output is correct
4 Correct 31 ms 78492 KB Output is correct
5 Correct 36 ms 78600 KB Output is correct
6 Correct 35 ms 78536 KB Output is correct
7 Correct 31 ms 78564 KB Output is correct
8 Correct 31 ms 78568 KB Output is correct
9 Correct 29 ms 78604 KB Output is correct
10 Correct 29 ms 78604 KB Output is correct
11 Correct 29 ms 78624 KB Output is correct
12 Correct 30 ms 78556 KB Output is correct
13 Correct 30 ms 78556 KB Output is correct
14 Correct 36 ms 78540 KB Output is correct
15 Correct 37 ms 78508 KB Output is correct
16 Correct 29 ms 78584 KB Output is correct
17 Correct 31 ms 78732 KB Output is correct
18 Correct 34 ms 78636 KB Output is correct
19 Correct 31 ms 78692 KB Output is correct
20 Correct 31 ms 78648 KB Output is correct
21 Correct 31 ms 78656 KB Output is correct
22 Correct 31 ms 78668 KB Output is correct
23 Correct 30 ms 78740 KB Output is correct
24 Correct 31 ms 78688 KB Output is correct
25 Correct 49 ms 79684 KB Output is correct
26 Correct 89 ms 81804 KB Output is correct
27 Correct 245 ms 85224 KB Output is correct
28 Correct 152 ms 82244 KB Output is correct
29 Correct 155 ms 84228 KB Output is correct
30 Correct 214 ms 82292 KB Output is correct
31 Correct 326 ms 89168 KB Output is correct
32 Correct 307 ms 86956 KB Output is correct
33 Correct 86 ms 81848 KB Output is correct
34 Correct 187 ms 86900 KB Output is correct
35 Correct 246 ms 95352 KB Output is correct
36 Correct 446 ms 95332 KB Output is correct
37 Correct 366 ms 95404 KB Output is correct
38 Correct 349 ms 95368 KB Output is correct