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Submission #905253

# Submission time Handle Problem Language Result Execution time Memory
905253 2024-01-12T21:27:09 Z alexander707070 Food Court (JOI21_foodcourt) C++14
20 / 100
 1000 ms 118024 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;
long long 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;
    }
    */

    if(l==r){
        minsz[v]=max(minsz[v]-val,0LL);
        maxsz[v]=max(maxsz[v]-val,0LL);     
    }else{
         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 return getsz(2*v+1,tt+1,r,pos);
}

long long calc(int v,int qr){
    if(tree[v].empty())return 0;

    int l=-1,r=tree[v].size(),tt;

    while(l+1<r){
        tt=(l+r)/2;
        if(tree[v][tt].tim>=qr){
            r=tt;
        }else{
            l=tt;
        }
    }

    if(r>0)return pref[v].back()-pref[v][r-1];
    return pref[v].back();
}

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(getsz(1,1,n,s)<t)cout<<"0\n";
            else cout<<bin(s,getsz(1,1,n,s)-t+1)<<"\n";
        }
    }

    return 0;
}

Compilation message

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:176:31: warning: narrowing conversion of 's' from 'long long int' to 'int' [-Wnarrowing]
  176 |             update(1,1,n,l,r,{s,i,t});
      |                               ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 95304 KB Output is correct
2 Correct 37 ms 95144 KB Output is correct
3 Correct 38 ms 95320 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 29 ms 97052 KB Output is correct
6 Correct 30 ms 95064 KB Output is correct
7 Correct 50 ms 95576 KB Output is correct
8 Correct 42 ms 95324 KB Output is correct
9 Correct 44 ms 95316 KB Output is correct
10 Correct 42 ms 95432 KB Output is correct
11 Correct 40 ms 95412 KB Output is correct
12 Correct 41 ms 95324 KB Output is correct
13 Correct 41 ms 95140 KB Output is correct
14 Correct 46 ms 95068 KB Output is correct
15 Correct 40 ms 95324 KB Output is correct
16 Correct 47 ms 95496 KB Output is correct
17 Correct 37 ms 95364 KB Output is correct
18 Correct 39 ms 95308 KB Output is correct
19 Correct 31 ms 95576 KB Output is correct
20 Correct 32 ms 95192 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 95304 KB Output is correct
2 Correct 37 ms 95144 KB Output is correct
3 Correct 38 ms 95320 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 29 ms 97052 KB Output is correct
6 Correct 30 ms 95064 KB Output is correct
7 Correct 50 ms 95576 KB Output is correct
8 Correct 42 ms 95324 KB Output is correct
9 Correct 44 ms 95316 KB Output is correct
10 Correct 42 ms 95432 KB Output is correct
11 Correct 40 ms 95412 KB Output is correct
12 Correct 41 ms 95324 KB Output is correct
13 Correct 41 ms 95140 KB Output is correct
14 Correct 46 ms 95068 KB Output is correct
15 Correct 40 ms 95324 KB Output is correct
16 Correct 47 ms 95496 KB Output is correct
17 Correct 37 ms 95364 KB Output is correct
18 Correct 39 ms 95308 KB Output is correct
19 Correct 31 ms 95576 KB Output is correct
20 Correct 32 ms 95192 KB Output is correct
21 Correct 35 ms 95324 KB Output is correct
22 Correct 36 ms 95188 KB Output is correct
23 Correct 35 ms 95424 KB Output is correct
24 Correct 39 ms 95312 KB Output is correct
25 Correct 32 ms 99164 KB Output is correct
26 Correct 30 ms 101208 KB Output is correct
27 Correct 39 ms 95324 KB Output is correct
28 Correct 41 ms 95320 KB Output is correct
29 Correct 41 ms 95344 KB Output is correct
30 Correct 40 ms 95316 KB Output is correct
31 Correct 40 ms 95324 KB Output is correct
32 Correct 41 ms 95324 KB Output is correct
33 Correct 41 ms 95064 KB Output is correct
34 Correct 46 ms 95148 KB Output is correct
35 Correct 41 ms 95324 KB Output is correct
36 Correct 47 ms 95480 KB Output is correct
37 Correct 32 ms 95068 KB Output is correct
38 Correct 32 ms 95200 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1018 ms 98572 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1008 ms 109516 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 95304 KB Output is correct
2 Correct 37 ms 95144 KB Output is correct
3 Correct 38 ms 95320 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 29 ms 97052 KB Output is correct
6 Correct 30 ms 95064 KB Output is correct
7 Correct 50 ms 95576 KB Output is correct
8 Correct 42 ms 95324 KB Output is correct
9 Correct 44 ms 95316 KB Output is correct
10 Correct 42 ms 95432 KB Output is correct
11 Correct 40 ms 95412 KB Output is correct
12 Correct 41 ms 95324 KB Output is correct
13 Correct 41 ms 95140 KB Output is correct
14 Correct 46 ms 95068 KB Output is correct
15 Correct 40 ms 95324 KB Output is correct
16 Correct 47 ms 95496 KB Output is correct
17 Correct 37 ms 95364 KB Output is correct
18 Correct 39 ms 95308 KB Output is correct
19 Correct 31 ms 95576 KB Output is correct
20 Correct 32 ms 95192 KB Output is correct
21 Execution timed out 1018 ms 98572 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 281 ms 112600 KB Output is correct
2 Correct 336 ms 113496 KB Output is correct
3 Correct 370 ms 114104 KB Output is correct
4 Correct 240 ms 110604 KB Output is correct
5 Correct 292 ms 112828 KB Output is correct
6 Correct 314 ms 115160 KB Output is correct
7 Correct 66 ms 102220 KB Output is correct
8 Correct 84 ms 95968 KB Output is correct
9 Correct 116 ms 103500 KB Output is correct
10 Correct 131 ms 111964 KB Output is correct
11 Correct 185 ms 117868 KB Output is correct
12 Correct 185 ms 118024 KB Output is correct

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 95304 KB Output is correct
2 Correct 37 ms 95144 KB Output is correct
3 Correct 38 ms 95320 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 29 ms 97052 KB Output is correct
6 Correct 30 ms 95064 KB Output is correct
7 Correct 50 ms 95576 KB Output is correct
8 Correct 42 ms 95324 KB Output is correct
9 Correct 44 ms 95316 KB Output is correct
10 Correct 42 ms 95432 KB Output is correct
11 Correct 40 ms 95412 KB Output is correct
12 Correct 41 ms 95324 KB Output is correct
13 Correct 41 ms 95140 KB Output is correct
14 Correct 46 ms 95068 KB Output is correct
15 Correct 40 ms 95324 KB Output is correct
16 Correct 47 ms 95496 KB Output is correct
17 Correct 37 ms 95364 KB Output is correct
18 Correct 39 ms 95308 KB Output is correct
19 Correct 31 ms 95576 KB Output is correct
20 Correct 32 ms 95192 KB Output is correct
21 Correct 35 ms 95324 KB Output is correct
22 Correct 36 ms 95188 KB Output is correct
23 Correct 35 ms 95424 KB Output is correct
24 Correct 39 ms 95312 KB Output is correct
25 Correct 32 ms 99164 KB Output is correct
26 Correct 30 ms 101208 KB Output is correct
27 Correct 39 ms 95324 KB Output is correct
28 Correct 41 ms 95320 KB Output is correct
29 Correct 41 ms 95344 KB Output is correct
30 Correct 40 ms 95316 KB Output is correct
31 Correct 40 ms 95324 KB Output is correct
32 Correct 41 ms 95324 KB Output is correct
33 Correct 41 ms 95064 KB Output is correct
34 Correct 46 ms 95148 KB Output is correct
35 Correct 41 ms 95324 KB Output is correct
36 Correct 47 ms 95480 KB Output is correct
37 Correct 32 ms 95068 KB Output is correct
38 Correct 32 ms 95200 KB Output is correct
39 Execution timed out 1018 ms 98572 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 95304 KB Output is correct
2 Correct 37 ms 95144 KB Output is correct
3 Correct 38 ms 95320 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 29 ms 97052 KB Output is correct
6 Correct 30 ms 95064 KB Output is correct
7 Correct 50 ms 95576 KB Output is correct
8 Correct 42 ms 95324 KB Output is correct
9 Correct 44 ms 95316 KB Output is correct
10 Correct 42 ms 95432 KB Output is correct
11 Correct 40 ms 95412 KB Output is correct
12 Correct 41 ms 95324 KB Output is correct
13 Correct 41 ms 95140 KB Output is correct
14 Correct 46 ms 95068 KB Output is correct
15 Correct 40 ms 95324 KB Output is correct
16 Correct 47 ms 95496 KB Output is correct
17 Correct 37 ms 95364 KB Output is correct
18 Correct 39 ms 95308 KB Output is correct
19 Correct 31 ms 95576 KB Output is correct
20 Correct 32 ms 95192 KB Output is correct
21 Correct 35 ms 95324 KB Output is correct
22 Correct 36 ms 95188 KB Output is correct
23 Correct 35 ms 95424 KB Output is correct
24 Correct 39 ms 95312 KB Output is correct
25 Correct 32 ms 99164 KB Output is correct
26 Correct 30 ms 101208 KB Output is correct
27 Correct 39 ms 95324 KB Output is correct
28 Correct 41 ms 95320 KB Output is correct
29 Correct 41 ms 95344 KB Output is correct
30 Correct 40 ms 95316 KB Output is correct
31 Correct 40 ms 95324 KB Output is correct
32 Correct 41 ms 95324 KB Output is correct
33 Correct 41 ms 95064 KB Output is correct
34 Correct 46 ms 95148 KB Output is correct
35 Correct 41 ms 95324 KB Output is correct
36 Correct 47 ms 95480 KB Output is correct
37 Correct 32 ms 95068 KB Output is correct
38 Correct 32 ms 95200 KB Output is correct
39 Execution timed out 1018 ms 98572 KB Time limit exceeded
40 Halted 0 ms 0 KB -