oj.uz

Submission #547105

# Submission time Handle Problem Language Result Execution time Memory
547105 2022-04-09T14:44:26 Z leaked Food Court (JOI21_foodcourt) C++14
13 / 100
 547 ms 71568 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],p2[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(p2,p2+4*N,-inf);
        fill(p4,p4+4*N,0);
        fill(p3,p3+4*N,-1);
    }
    void push(int v,int tl,int tr){
        if(p1[v]==0) return;
        for(auto &u : {v<<1,v<<1|1}){
            tt[u].x+=p1[v];
            if(tt[u].x<=0){
                tt[u].x=p4[v];
                umax(p3[u],p3[v]);
            }
//            if(tt[u].x==p2[v]){
//                cout<<"PUSH "<<v<<' '<<u<<endl;
//                tt[u].x=p4[v];
            tt[u].y+=p1[v];
//            p2[u]=p2[v];
            p4[u]=p4[v];
            p1[u]+=p1[v];
        }
        p1[v]=0;p2[v]=-inf;
    }
    bool check(ll a,ll b,ll c){
        if((a+c)<=0 && (b+c)<=0)
            return 0;
        return 1;
    }
    void add(int l,int r,int x,int t,int v,int tl,int tr){
        if(tl>r||tr<l) return;
//        push(v,tl,tr);
        if(tl>=l&&tr<=r&&check(tt[v].x,tt[v].y,x)){
            if((tt[v].x+x)<=0){
//                p2[v]=(p2[v]==-inf?tt[v].x:p2[v]);
                umax(p3[v],t);
//                cout<<"SET "<<v<<' '<<tl<<' '<<tr<<endl;
            }

            tt[v].x+=x;tt[v].y+=x;
            p1[v]+=x;umax(tt[v].x,0LL);
            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 "<<sega.get(l[i],1,0,n-1);
            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);
        }
    }
    {
        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;
}
/*
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
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 54464 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 54464 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 61352 KB Output is correct
2 Correct 132 ms 61144 KB Output is correct
3 Correct 135 ms 61300 KB Output is correct
4 Correct 147 ms 61344 KB Output is correct
5 Correct 160 ms 61144 KB Output is correct
6 Correct 136 ms 61140 KB Output is correct
7 Correct 65 ms 60784 KB Output is correct
8 Correct 60 ms 60844 KB Output is correct
9 Correct 169 ms 61056 KB Output is correct
10 Correct 167 ms 61072 KB Output is correct
11 Correct 128 ms 61080 KB Output is correct
12 Correct 147 ms 61124 KB Output is correct
13 Incorrect 145 ms 60596 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 547 ms 71568 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 54464 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 189 ms 60664 KB Output is correct
2 Correct 183 ms 61432 KB Output is correct
3 Correct 183 ms 61492 KB Output is correct
4 Correct 155 ms 59300 KB Output is correct
5 Correct 155 ms 60556 KB Output is correct
6 Correct 181 ms 61508 KB Output is correct
7 Correct 147 ms 60668 KB Output is correct
8 Correct 154 ms 60276 KB Output is correct
9 Correct 143 ms 61428 KB Output is correct
10 Correct 125 ms 59228 KB Output is correct
11 Correct 231 ms 61504 KB Output is correct
12 Correct 172 ms 61684 KB Output is correct

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 54464 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 54464 KB Output isn't correct
2 Halted 0 ms 0 KB -