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Submission #905240

# Submission time Handle Problem Language Result Execution time Memory
905240 2024-01-12T20:57:41 Z alexander707070 Food Court (JOI21_foodcourt) C++14
9 / 100
 1000 ms 113572 KB 
#include<bits/stdc++.h>
#define MAXN 500007
using namespace std;

struct event{
    int c,tim;
    long long k;
};

const long long inf=1e17;

int n,m,q,type,l,r,s,t;

long long minsz[4*MAXN],lazy[4*MAXN],maxsz[4*MAXN];
int c[MAXN];

vector< event > tree[4*MAXN];
vector<long long> pref[4*MAXN];

void update(int v,int l,int r,int ll,int rr,event news){
    if(ll>rr)return;
    if(l==ll and r==rr){
        tree[v].push_back(news);

        if(pref[v].empty())pref[v].push_back(news.k);
        else pref[v].push_back(pref[v].back()+news.k);

        return;
    }else{
        int tt=(l+r)/2;
        update(2*v,l,tt,ll,min(tt,rr),news);
        update(2*v+1,tt+1,r,max(tt+1,ll),rr,news);
    }
}

void psh(int v){
    minsz[2*v]+=lazy[v];
    maxsz[2*v]+=lazy[v];

    minsz[2*v]=max(minsz[2*v],0LL);
    maxsz[2*v]=max(maxsz[2*v],0LL);

    minsz[2*v+1]+=lazy[v];
    maxsz[2*v+1]+=lazy[v];

    minsz[2*v+1]=max(minsz[2*v+1],0LL);
    maxsz[2*v+1]=max(maxsz[2*v+1],0LL);

    lazy[2*v]+=lazy[v];
    lazy[2*v+1]+=lazy[v];

    lazy[v]=0;
}

void add(int v,int l,int r,int ll,int rr,long long val){
    if(ll>rr)return;
    if(l==ll and r==rr){
        minsz[v]+=val;
        maxsz[v]+=val;

        lazy[v]+=val;
    }else{
        psh(v);
        int tt=(l+r)/2;
        add(2*v,l,tt,ll,min(tt,rr),val);
        add(2*v+1,tt+1,r,max(tt+1,ll),rr,val);

        minsz[v]=min(minsz[2*v],minsz[2*v+1]);
        maxsz[v]=max(maxsz[2*v],maxsz[2*v+1]);
    }
}

void rem(int v,int l,int r,int ll,int rr,long long val){
    if(ll>rr)return;

    if(l==ll and r==rr and minsz[v]>=val){
        minsz[v]-=val;
        lazy[v]-=val;
        return;
    }

    if(l==ll and r==rr and maxsz[v]<val){
        minsz[v]=maxsz[v]=0;
        lazy[v]=-inf;
        return;
    }

    psh(v);
    int tt=(l+r)/2;
    rem(2*v,l,tt,ll,min(tt,rr),val);
    rem(2*v+1,tt+1,r,max(tt+1,ll),rr,val);

    minsz[v]=min(minsz[2*v],minsz[2*v+1]);
    maxsz[v]=max(maxsz[2*v],maxsz[2*v+1]);
}

long long getsz(int v,int l,int r,int pos){
    if(l==r)return minsz[v];

    psh(v);
    int tt=(l+r)/2;
    if(pos<=tt)return getsz(2*v,l,tt,pos);
    else getsz(2*v+1,tt+1,r,pos);
}

long long calc(int v,int qr){
    long long res=0;

    for(int i=tree[v].size()-1;i>=0 and tree[v][i].tim>=qr;i--){
        res+=tree[v][i].k;
    }
    return res;
}

long long howmany(int v,int l,int r,int pos,int qr){
    if(l==r){
        return calc(v,qr);
    }else{
        int tt=(l+r)/2;
        if(pos<=tt)return howmany(2*v,l,tt,pos,qr) + calc(v,qr);
        else return howmany(2*v+1,tt+1,r,pos,qr) + calc(v,qr);
    }
}

int bin(int s,long long t){
    int l=0,r=q+1,tt;
    while(l+1<r){
        tt=(l+r)/2;
        if(howmany(1,1,n,s,tt)>=t){
            l=tt;
        }else{
            r=tt;
        }
    }

    return c[l];
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    cin>>n>>m>>q;
    
    for(int i=1;i<=q;i++){
        cin>>type;
        if(type==1){
            cin>>l>>r>>s>>t;
            c[i]=s;

            //add(1,1,n,l,r,t);
            for(int i=l;i<=r;i++){
                minsz[i]+=t;
            }

            update(1,1,n,l,r,{s,i,t});
        }else if(type==2){
            cin>>l>>r>>s;
            //rem(1,1,n,l,r,s);
            for(int i=l;i<=r;i++){
                minsz[i]=max(minsz[i]-s,0LL);
            }
        }else{
            cin>>s>>t;
            if(minsz[s]<t)cout<<"0\n";
            else cout<<bin(s,minsz[s]-t+1)<<"\n";
        }
    }

    return 0;
}

Compilation message

foodcourt.cpp: In function 'long long int getsz(int, int, int, int)':
foodcourt.cpp:103:15: warning: control reaches end of non-void function [-Wreturn-type]
  103 |     else getsz(2*v+1,tt+1,r,pos);
      |          ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 97108 KB Output is correct
2 Correct 30 ms 97340 KB Output is correct
3 Correct 30 ms 97116 KB Output is correct
4 Correct 32 ms 97284 KB Output is correct
5 Correct 31 ms 97116 KB Output is correct
6 Correct 28 ms 95068 KB Output is correct
7 Correct 30 ms 97364 KB Output is correct
8 Correct 32 ms 97332 KB Output is correct
9 Correct 31 ms 97364 KB Output is correct
10 Correct 32 ms 97364 KB Output is correct
11 Correct 30 ms 95316 KB Output is correct
12 Correct 30 ms 97416 KB Output is correct
13 Correct 28 ms 97020 KB Output is correct
14 Correct 31 ms 95060 KB Output is correct
15 Correct 30 ms 97116 KB Output is correct
16 Correct 31 ms 97364 KB Output is correct
17 Correct 30 ms 97296 KB Output is correct
18 Correct 31 ms 95208 KB Output is correct
19 Correct 30 ms 97272 KB Output is correct
20 Correct 31 ms 97108 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 97108 KB Output is correct
2 Correct 30 ms 97340 KB Output is correct
3 Correct 30 ms 97116 KB Output is correct
4 Correct 32 ms 97284 KB Output is correct
5 Correct 31 ms 97116 KB Output is correct
6 Correct 28 ms 95068 KB Output is correct
7 Correct 30 ms 97364 KB Output is correct
8 Correct 32 ms 97332 KB Output is correct
9 Correct 31 ms 97364 KB Output is correct
10 Correct 32 ms 97364 KB Output is correct
11 Correct 30 ms 95316 KB Output is correct
12 Correct 30 ms 97416 KB Output is correct
13 Correct 28 ms 97020 KB Output is correct
14 Correct 31 ms 95060 KB Output is correct
15 Correct 30 ms 97116 KB Output is correct
16 Correct 31 ms 97364 KB Output is correct
17 Correct 30 ms 97296 KB Output is correct
18 Correct 31 ms 95208 KB Output is correct
19 Correct 30 ms 97272 KB Output is correct
20 Correct 31 ms 97108 KB Output is correct
21 Incorrect 27 ms 95068 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 469 ms 101412 KB Output is correct
2 Correct 380 ms 104580 KB Output is correct
3 Correct 478 ms 104152 KB Output is correct
4 Correct 456 ms 102308 KB Output is correct
5 Correct 404 ms 105716 KB Output is correct
6 Correct 387 ms 105560 KB Output is correct
7 Correct 62 ms 98388 KB Output is correct
8 Correct 62 ms 98560 KB Output is correct
9 Correct 734 ms 99924 KB Output is correct
10 Correct 755 ms 100188 KB Output is correct
11 Correct 749 ms 103576 KB Output is correct
12 Correct 749 ms 101860 KB Output is correct
13 Correct 186 ms 104024 KB Output is correct
14 Correct 265 ms 103252 KB Output is correct
15 Correct 103 ms 106580 KB Output is correct
16 Correct 103 ms 103196 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 98908 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 97108 KB Output is correct
2 Correct 30 ms 97340 KB Output is correct
3 Correct 30 ms 97116 KB Output is correct
4 Correct 32 ms 97284 KB Output is correct
5 Correct 31 ms 97116 KB Output is correct
6 Correct 28 ms 95068 KB Output is correct
7 Correct 30 ms 97364 KB Output is correct
8 Correct 32 ms 97332 KB Output is correct
9 Correct 31 ms 97364 KB Output is correct
10 Correct 32 ms 97364 KB Output is correct
11 Correct 30 ms 95316 KB Output is correct
12 Correct 30 ms 97416 KB Output is correct
13 Correct 28 ms 97020 KB Output is correct
14 Correct 31 ms 95060 KB Output is correct
15 Correct 30 ms 97116 KB Output is correct
16 Correct 31 ms 97364 KB Output is correct
17 Correct 30 ms 97296 KB Output is correct
18 Correct 31 ms 95208 KB Output is correct
19 Correct 30 ms 97272 KB Output is correct
20 Correct 31 ms 97108 KB Output is correct
21 Correct 469 ms 101412 KB Output is correct
22 Correct 380 ms 104580 KB Output is correct
23 Correct 478 ms 104152 KB Output is correct
24 Correct 456 ms 102308 KB Output is correct
25 Correct 404 ms 105716 KB Output is correct
26 Correct 387 ms 105560 KB Output is correct
27 Correct 62 ms 98388 KB Output is correct
28 Correct 62 ms 98560 KB Output is correct
29 Correct 734 ms 99924 KB Output is correct
30 Correct 755 ms 100188 KB Output is correct
31 Correct 749 ms 103576 KB Output is correct
32 Correct 749 ms 101860 KB Output is correct
33 Correct 186 ms 104024 KB Output is correct
34 Correct 265 ms 103252 KB Output is correct
35 Correct 103 ms 106580 KB Output is correct
36 Correct 103 ms 103196 KB Output is correct
37 Correct 629 ms 109912 KB Output is correct
38 Correct 856 ms 113572 KB Output is correct
39 Correct 80 ms 96340 KB Output is correct
40 Correct 74 ms 98512 KB Output is correct
41 Execution timed out 1080 ms 111460 KB Time limit exceeded
42 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 79 ms 97624 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 97108 KB Output is correct
2 Correct 30 ms 97340 KB Output is correct
3 Correct 30 ms 97116 KB Output is correct
4 Correct 32 ms 97284 KB Output is correct
5 Correct 31 ms 97116 KB Output is correct
6 Correct 28 ms 95068 KB Output is correct
7 Correct 30 ms 97364 KB Output is correct
8 Correct 32 ms 97332 KB Output is correct
9 Correct 31 ms 97364 KB Output is correct
10 Correct 32 ms 97364 KB Output is correct
11 Correct 30 ms 95316 KB Output is correct
12 Correct 30 ms 97416 KB Output is correct
13 Correct 28 ms 97020 KB Output is correct
14 Correct 31 ms 95060 KB Output is correct
15 Correct 30 ms 97116 KB Output is correct
16 Correct 31 ms 97364 KB Output is correct
17 Correct 30 ms 97296 KB Output is correct
18 Correct 31 ms 95208 KB Output is correct
19 Correct 30 ms 97272 KB Output is correct
20 Correct 31 ms 97108 KB Output is correct
21 Incorrect 27 ms 95068 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 97108 KB Output is correct
2 Correct 30 ms 97340 KB Output is correct
3 Correct 30 ms 97116 KB Output is correct
4 Correct 32 ms 97284 KB Output is correct
5 Correct 31 ms 97116 KB Output is correct
6 Correct 28 ms 95068 KB Output is correct
7 Correct 30 ms 97364 KB Output is correct
8 Correct 32 ms 97332 KB Output is correct
9 Correct 31 ms 97364 KB Output is correct
10 Correct 32 ms 97364 KB Output is correct
11 Correct 30 ms 95316 KB Output is correct
12 Correct 30 ms 97416 KB Output is correct
13 Correct 28 ms 97020 KB Output is correct
14 Correct 31 ms 95060 KB Output is correct
15 Correct 30 ms 97116 KB Output is correct
16 Correct 31 ms 97364 KB Output is correct
17 Correct 30 ms 97296 KB Output is correct
18 Correct 31 ms 95208 KB Output is correct
19 Correct 30 ms 97272 KB Output is correct
20 Correct 31 ms 97108 KB Output is correct
21 Incorrect 27 ms 95068 KB Output isn't correct
22 Halted 0 ms 0 KB -