oj.uz

답안 #547143

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
547143 2022-04-09T17:14:10 Z leaked 푸드 코트 (JOI21_foodcourt) C++14
37 / 100
 609 ms 62060 KB 
#include <bits/stdc++.h>

#define f first
#define s second
#define m_p make_pair
#define vec vector
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define sz(x) (int)(x).size()
#define pw(x) (1LL<<(x))
#define fast_prep ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//#define int long long
//#pragma GCC optimize("unroll-loops")
using namespace std;
typedef long long ll;
const ll inf=1e18;
const int N=3e5+1;
template<class T> bool umax(T &a,const T &b){return (a<b?a=b,1:0);}
template<class T> bool umin(T &a,const T &b){return (a>b?a=b,1:0);}
struct fenwick{
    ll fnw[N];
    fenwick(){
        fill(fnw,fnw+N,0);
    }
    void reset(){
        fill(fnw,fnw+N,0);
    }
    void upd(int i,int x){
        ++i;
        while(i<N){
            fnw[i]+=x;
            i+=i&-i;
        }
    }
    ll get(int i){
        ++i;
        ll ans=0;
        while(i>0){
            ans+=fnw[i];
            i-=i&-i;
        }
        return ans;
    }
    void add(int l,int r,ll x){
        upd(l,x);
        upd(r+1,-x);
    }
};

struct segtree{
    ll p1[4*N],p4[4*N];
    ///add,whom,to_set
    int p3[4*N];
    struct node{
        ll x,y;
        node(){
            x=0,y=inf;
        }
    };
    node mg(node a,node b){
        if(a.x>b.x) swap(a.x,b.x);
        if(b.x>b.y) swap(b.x,b.y);
        if(a.x==b.x) umin(a.y,b.y);
        else umin(a.y,b.x);
        return a;
    }
    node tt[4*N];
    segtree(){
        fill(p1,p1+4*N,0);
        fill(p4,p4+4*N,inf);
        fill(p3,p3+4*N,-1);
    }
    bool check(ll a,ll b,ll c){
        if((a+c)<=0 && (b+c)<=0)
            return 0;
        return 1;
    }
    void push(int v,int tl,int tr){
        int mn=min(tt[2*v].x,tt[2*v+1].x);
        for(auto &u : {v<<1,v<<1|1}){
            if(tt[u].x==mn && p4[v]!=inf){
                tt[u].x=p4[v];
                umax(p3[u],p3[v]);
                p4[u]=p4[v];
            }else tt[u].x+=p1[v],p4[u]=(p4[u]==inf?inf:p4[u]+p1[v]);
            tt[u].y+=p1[v];
            p1[u]+=p1[v];
        }
        p1[v]=0;p4[v]=inf;
    }

    void add(int l,int r,ll x,int t,int v,int tl,int tr){
        if(tl>r||tr<l) return;
        if(tl>=l&&tr<=r&&check(tt[v].x,tt[v].y,x)){
            tt[v].x+=x;
            if((tt[v].x)<0){
                umax(p3[v],t);
            }
            tt[v].y+=x;
            p1[v]+=x;
            if(umax(tt[v].x,0LL) || p4[v]!=inf)
                p4[v]=tt[v].x;
            return;
        }
        int tm=(tl+tr)>>1;push(v,tl,tr);
        add(l,r,x,t,v<<1,tl,tm);add(l,r,x,t,v<<1|1,tm+1,tr);
        tt[v]=mg(tt[2*v],tt[2*v+1]);
    }
    int get(int i,int v,int tl,int tr){
        if(tl==tr)
            return p3[v];
        int tm=(tl+tr)>>1;push(v,tl,tr);
        if(tm>=i)
            return get(i,v<<1,tl,tm);
        else
            return get(i,v<<1|1,tm+1,tr);
    }
}sega1;
signed main(){
    fast_prep;
    int n,m,q;
    cin>>n>>m>>q;
    fenwick fen;
    vec<int> tl(q),tr(q);
    vec<int> t(q),l(q),r(q),c(q);
    vec<ll> k(q);
    vec<int> ask;
    vec<ll> rl(q);

    vec<ll> toadd(q);
    vec<vec<int>> need(q,vec<int>());
    for(int i=0;i<q;i++){
        cin>>t[i];
        if(t[i]==1){
            cin>>l[i]>>r[i]>>c[i]>>k[i];
            --l[i];--r[i];
            sega1.add(l[i],r[i],k[i],i,1,0,n-1);
        }
        else if(t[i]==2){
            cin>>l[i]>>r[i]>>k[i];
            --l[i];--r[i];
            fen.add(l[i],r[i],k[i]);
            sega1.add(l[i],r[i],-k[i],i,1,0,n-1);
        }
        else{
            ask.pb(i);
            cin>>l[i]>>k[i];
            --l[i];
            rl[i]=fen.get(l[i])+k[i];
//            cerr<<"ALO "<<
//            cerr<<"WO "<<sega1.get(l[i],1,0,n-1)<<endl;
            tl[i]=sega1.get(l[i],1,0,n-1)+1;tr[i]=i;
//            cout<<"ALO "<<tl[i]<<endl;
            if(tl[i]!=0) need[tl[i]-1].pb(i);
        }
//        sega1.get(977,1,0,n-1);
    }
    {
        fen.reset();
        for(int i=0;i<q;i++){
            if(t[i]==1) fen.add(l[i],r[i],k[i]);
            else if(t[i]==2) fen.add(l[i],r[i],-k[i]);
            for(auto &j : need[i]){
                toadd[j]=-fen.get(l[j]);
            }
        }
    }
    if(m==1){
        fen.reset();
        for(int i=0;i<q;i++){
            if(t[i]==1) fen.add(l[i],r[i],k[i]);
            else if(t[i]==3){
                if((fen.get(l[i])+toadd[i])>=rl[i]){
                    cout<<1<<'\n';
                }
                else{
                    cout<<0<<'\n';
                }
            }
        }
        return 0;
    }
    int ok=1;
    while(ok){
        ok=0;
        fen.reset();
        vec<vec<int>> toask(q,vec<int>());
        ///just an id
        for(auto &i : ask){
            if(tl[i]!=tr[i]){
                int tm=(tl[i]+tr[i])>>1;
//                cout<<"HEYASK "<<i<<' '<<tl[i]<<' '<<tr[i]<<' '<<tm<<endl;
                ok=1;
                toask[tm].pb(i);
            }
        }
        if(!ok) break;
        for(int i=0;i<q;i++){
            if(t[i]==1){
                fen.add(l[i],r[i],k[i]);
            }
//            cout<<"I "<<i<<endl;
            for(auto &j : toask[i]){
                ll have=fen.get(l[j])+toadd[j];
//                cout<<"YO "<<c[i]<<' '<<j<<' '<<have<<' '<<rl[j]<<endl;
                if(have>=rl[j]){
                    tr[j]=i;
                }
                else{
                    tl[j]=i+1;
                }
            }
        }
    }
    for(auto &i : ask){
        cout<<(tl[i]==i?0:c[tl[i]])<<'\n';
    }
    return 0;
}
/*
1457 1000 3
2 253 1112 1
1 872 1007 206029 1
3 978 1

3 5 5
1 2 3 5 2
1 1 2 2 4
2 1 3 3
1 2 3 4 2
3 3 2

3 5 5
1 2 3 5 2
1 1 2 2 4
2 1 3 3
3 1 2
1 2 3 4 2

*/

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 45068 KB Output is correct
2 Correct 24 ms 45160 KB Output is correct
3 Correct 21 ms 44992 KB Output is correct
4 Correct 23 ms 45084 KB Output is correct
5 Correct 22 ms 45012 KB Output is correct
6 Correct 20 ms 45084 KB Output is correct
7 Correct 24 ms 45056 KB Output is correct
8 Correct 22 ms 45140 KB Output is correct
9 Correct 22 ms 45080 KB Output is correct
10 Correct 26 ms 45128 KB Output is correct
11 Correct 28 ms 45044 KB Output is correct
12 Correct 22 ms 45132 KB Output is correct
13 Correct 20 ms 45104 KB Output is correct
14 Correct 20 ms 45140 KB Output is correct
15 Correct 22 ms 45036 KB Output is correct
16 Correct 21 ms 45092 KB Output is correct
17 Correct 22 ms 45012 KB Output is correct
18 Correct 30 ms 45036 KB Output is correct
19 Correct 26 ms 45012 KB Output is correct
20 Correct 23 ms 45048 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 45068 KB Output is correct
2 Correct 24 ms 45160 KB Output is correct
3 Correct 21 ms 44992 KB Output is correct
4 Correct 23 ms 45084 KB Output is correct
5 Correct 22 ms 45012 KB Output is correct
6 Correct 20 ms 45084 KB Output is correct
7 Correct 24 ms 45056 KB Output is correct
8 Correct 22 ms 45140 KB Output is correct
9 Correct 22 ms 45080 KB Output is correct
10 Correct 26 ms 45128 KB Output is correct
11 Correct 28 ms 45044 KB Output is correct
12 Correct 22 ms 45132 KB Output is correct
13 Correct 20 ms 45104 KB Output is correct
14 Correct 20 ms 45140 KB Output is correct
15 Correct 22 ms 45036 KB Output is correct
16 Correct 21 ms 45092 KB Output is correct
17 Correct 22 ms 45012 KB Output is correct
18 Correct 30 ms 45036 KB Output is correct
19 Correct 26 ms 45012 KB Output is correct
20 Correct 23 ms 45048 KB Output is correct
21 Incorrect 23 ms 45116 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 143 ms 51956 KB Output is correct
2 Correct 170 ms 51732 KB Output is correct
3 Correct 148 ms 51992 KB Output is correct
4 Correct 147 ms 51912 KB Output is correct
5 Correct 164 ms 51784 KB Output is correct
6 Correct 155 ms 51764 KB Output is correct
7 Correct 59 ms 51360 KB Output is correct
8 Correct 64 ms 51476 KB Output is correct
9 Correct 143 ms 51616 KB Output is correct
10 Correct 157 ms 51716 KB Output is correct
11 Correct 164 ms 51684 KB Output is correct
12 Correct 152 ms 51660 KB Output is correct
13 Correct 141 ms 51220 KB Output is correct
14 Correct 165 ms 51880 KB Output is correct
15 Correct 203 ms 51332 KB Output is correct
16 Correct 171 ms 51444 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 609 ms 62060 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 45068 KB Output is correct
2 Correct 24 ms 45160 KB Output is correct
3 Correct 21 ms 44992 KB Output is correct
4 Correct 23 ms 45084 KB Output is correct
5 Correct 22 ms 45012 KB Output is correct
6 Correct 20 ms 45084 KB Output is correct
7 Correct 24 ms 45056 KB Output is correct
8 Correct 22 ms 45140 KB Output is correct
9 Correct 22 ms 45080 KB Output is correct
10 Correct 26 ms 45128 KB Output is correct
11 Correct 28 ms 45044 KB Output is correct
12 Correct 22 ms 45132 KB Output is correct
13 Correct 20 ms 45104 KB Output is correct
14 Correct 20 ms 45140 KB Output is correct
15 Correct 22 ms 45036 KB Output is correct
16 Correct 21 ms 45092 KB Output is correct
17 Correct 22 ms 45012 KB Output is correct
18 Correct 30 ms 45036 KB Output is correct
19 Correct 26 ms 45012 KB Output is correct
20 Correct 23 ms 45048 KB Output is correct
21 Correct 143 ms 51956 KB Output is correct
22 Correct 170 ms 51732 KB Output is correct
23 Correct 148 ms 51992 KB Output is correct
24 Correct 147 ms 51912 KB Output is correct
25 Correct 164 ms 51784 KB Output is correct
26 Correct 155 ms 51764 KB Output is correct
27 Correct 59 ms 51360 KB Output is correct
28 Correct 64 ms 51476 KB Output is correct
29 Correct 143 ms 51616 KB Output is correct
30 Correct 157 ms 51716 KB Output is correct
31 Correct 164 ms 51684 KB Output is correct
32 Correct 152 ms 51660 KB Output is correct
33 Correct 141 ms 51220 KB Output is correct
34 Correct 165 ms 51880 KB Output is correct
35 Correct 203 ms 51332 KB Output is correct
36 Correct 171 ms 51444 KB Output is correct
37 Correct 175 ms 51220 KB Output is correct
38 Correct 163 ms 50256 KB Output is correct
39 Correct 98 ms 50444 KB Output is correct
40 Correct 104 ms 51196 KB Output is correct
41 Correct 177 ms 51604 KB Output is correct
42 Correct 194 ms 51608 KB Output is correct
43 Correct 216 ms 51672 KB Output is correct
44 Correct 219 ms 51728 KB Output is correct
45 Correct 242 ms 51624 KB Output is correct
46 Correct 209 ms 51668 KB Output is correct
47 Correct 119 ms 52032 KB Output is correct
48 Correct 169 ms 51952 KB Output is correct
49 Correct 153 ms 49624 KB Output is correct
50 Correct 182 ms 50592 KB Output is correct
51 Correct 220 ms 51616 KB Output is correct
52 Correct 248 ms 51612 KB Output is correct
53 Correct 139 ms 50052 KB Output is correct
54 Correct 178 ms 51444 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 194 ms 51320 KB Output is correct
2 Correct 216 ms 52036 KB Output is correct
3 Correct 205 ms 52112 KB Output is correct
4 Correct 161 ms 49908 KB Output is correct
5 Correct 204 ms 51200 KB Output is correct
6 Correct 215 ms 52056 KB Output is correct
7 Correct 140 ms 51336 KB Output is correct
8 Correct 149 ms 50872 KB Output is correct
9 Correct 169 ms 52100 KB Output is correct
10 Correct 142 ms 49852 KB Output is correct
11 Correct 202 ms 52092 KB Output is correct
12 Correct 226 ms 52116 KB Output is correct

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 45068 KB Output is correct
2 Correct 24 ms 45160 KB Output is correct
3 Correct 21 ms 44992 KB Output is correct
4 Correct 23 ms 45084 KB Output is correct
5 Correct 22 ms 45012 KB Output is correct
6 Correct 20 ms 45084 KB Output is correct
7 Correct 24 ms 45056 KB Output is correct
8 Correct 22 ms 45140 KB Output is correct
9 Correct 22 ms 45080 KB Output is correct
10 Correct 26 ms 45128 KB Output is correct
11 Correct 28 ms 45044 KB Output is correct
12 Correct 22 ms 45132 KB Output is correct
13 Correct 20 ms 45104 KB Output is correct
14 Correct 20 ms 45140 KB Output is correct
15 Correct 22 ms 45036 KB Output is correct
16 Correct 21 ms 45092 KB Output is correct
17 Correct 22 ms 45012 KB Output is correct
18 Correct 30 ms 45036 KB Output is correct
19 Correct 26 ms 45012 KB Output is correct
20 Correct 23 ms 45048 KB Output is correct
21 Incorrect 23 ms 45116 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 45068 KB Output is correct
2 Correct 24 ms 45160 KB Output is correct
3 Correct 21 ms 44992 KB Output is correct
4 Correct 23 ms 45084 KB Output is correct
5 Correct 22 ms 45012 KB Output is correct
6 Correct 20 ms 45084 KB Output is correct
7 Correct 24 ms 45056 KB Output is correct
8 Correct 22 ms 45140 KB Output is correct
9 Correct 22 ms 45080 KB Output is correct
10 Correct 26 ms 45128 KB Output is correct
11 Correct 28 ms 45044 KB Output is correct
12 Correct 22 ms 45132 KB Output is correct
13 Correct 20 ms 45104 KB Output is correct
14 Correct 20 ms 45140 KB Output is correct
15 Correct 22 ms 45036 KB Output is correct
16 Correct 21 ms 45092 KB Output is correct
17 Correct 22 ms 45012 KB Output is correct
18 Correct 30 ms 45036 KB Output is correct
19 Correct 26 ms 45012 KB Output is correct
20 Correct 23 ms 45048 KB Output is correct
21 Incorrect 23 ms 45116 KB Output isn't correct
22 Halted 0 ms 0 KB -