Submission #547116

# Submission time Handle Problem Language Result Execution time Memory
547116 2022-04-09T15:02:08 Z leaked Food Court (JOI21_foodcourt) C++14
13 / 100
587 ms 71516 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(p2[v]==-inf && p1[v]==0)
//            return;
        for(auto &u : {v<<1,v<<1|1}){
//            tt[u].x+=p1[v];
//            cout<<tt[u].x<<' '<<p2[v]<<endl;
            if(tt[u].x==p2[v]){
//                cout<<"PUSH "<<u<<endl;
                tt[u].x=p4[v];
                umax(p3[u],p3[v]);
                p2[u]=p2[v];
                p4[u]=p4[v];
            }else tt[u].x+=p1[v],p4[u]+=p1[v];
            tt[u].y+=p1[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;
        if(tl>=l&&tr<=r&&check(tt[v].x,tt[v].y,x)){
            tt[v].x+=x;
            if((tt[v].x)<=0){
//                cout<<"HEY "<<tl<<' '<<tr<<endl;
                p2[v]=(p2[v]==-inf?tt[v].x:p2[v]);
                umax(p3[v],t);
            }//else if(p2[v]!=-inf) p2[v]+=x;
//            if(p2[v]!=-inf) p2[v]+=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

*/
# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 54484 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 54484 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 162 ms 61308 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 587 ms 71516 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 54484 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 162 ms 60668 KB Output is correct
2 Correct 203 ms 61404 KB Output is correct
3 Correct 191 ms 61452 KB Output is correct
4 Correct 128 ms 59308 KB Output is correct
5 Correct 156 ms 60580 KB Output is correct
6 Correct 189 ms 61440 KB Output is correct
7 Correct 131 ms 60732 KB Output is correct
8 Correct 133 ms 60264 KB Output is correct
9 Correct 144 ms 61504 KB Output is correct
10 Correct 131 ms 59252 KB Output is correct
11 Correct 189 ms 61532 KB Output is correct
12 Correct 173 ms 61428 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 54484 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 54484 KB Output isn't correct
2 Halted 0 ms 0 KB -