oj.uz

Submission #906716

# Submission time Handle Problem Language Result Execution time Memory
906716 2024-01-14T20:44:56 Z alexander707070 Food Court (JOI21_foodcourt) C++14
24 / 100
 527 ms 76840 KB 
#include<bits/stdc++.h>
#define MAXN 500007
using namespace std;
 
struct event{
    int c;
    long long k;
    int type;
};

struct qr{
    int kth,id;
};
 
const long long inf=1e17;
 
int n,m,q,type,l,r,ans[MAXN];
long long s,t,total;
 
long long sz[4*MAXN];
pair<long long,long long> lazy[4*MAXN];
int c[MAXN];

vector<qr> ask[MAXN];
vector<event> queries[MAXN];

pair<long long,long long> merge_lazy(pair<long long,long long> a,pair<long long,long long> b){
    long long c = min(a.second, b.first);
    a.second -= c;
    b.first -= c;
    a.first += b.first;
    a.second += b.second;

    return a;
}

void psh(int v){

    sz[2*v]-=lazy[v].first;
    sz[2*v]=max(0LL,sz[2*v]);
    sz[2*v]+=lazy[v].second;

    sz[2*v+1]-=lazy[v].first;
    sz[2*v+1]=max(0LL,sz[2*v+1]);
    sz[2*v+1]+=lazy[v].second;

    lazy[2*v]=merge_lazy(lazy[2*v],lazy[v]);
    lazy[2*v+1]=merge_lazy(lazy[2*v+1],lazy[v]);

    lazy[v]={0,0};
}
 
void add(int v,int l,int r,int ll,int rr,long long val){
    if(ll>rr)return;
    psh(v);
 
    if(l==ll and r==rr){
 
        if(val<0){
            sz[v]=max(0LL,sz[v]+val);
            lazy[v].first+=-val;
        }else{
            sz[v]+=val;
            lazy[v].second+=val;
        }

     }else{
        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);
 
        sz[v]=min(sz[2*v],sz[2*v+1]);
    }
}
 
long long getsz(int v,int l,int r,int pos){
    if(l==r)return sz[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 tree[4*MAXN],lz[4*MAXN];

void psh2(int v,long long l,long long r){
    long long tt=(l+r)/2;

    tree[2*v]+=(long long) (tt-l+1)*lz[v];
    tree[2*v+1]+=(long long) (r-(tt+1)+1)*lz[v];

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

    lz[v]=0;
}

void update(int v,long long l,long long r,int ll,int rr,long long val){
    if(ll>rr)return;
    if(l==ll and r==rr){
        tree[v]+=(long long) val*(r-l+1);
        lz[v]+=val;
    }else{
        psh2(v,l,r);

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

        tree[v]=tree[2*v]+tree[2*v+1];
    }
}

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

    psh2(v,l,r);
    int tt=(l+r)/2;
    if(pos<=tt)return getval(2*v,l,tt,pos);
    else return getval(2*v+1,tt+1,r,pos);
}

int getpos(int v,int l,int r,long long sum){
    if(l==r)return l;

    psh2(v,l,r);

    int tt=(l+r)/2;
    if(tree[2*v]>=sum)return getpos(2*v,l,tt,sum);
    return getpos(2*v+1,tt+1,r,sum-tree[2*v]);
}
 
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;
            queries[l].push_back({i,t,0});
            queries[r+1].push_back({i,t,1});
 
            add(1,1,n,l,r,t);
            update(1,1,n,l,r,t);
        }else if(type==2){
            cin>>l>>r>>s;
            add(1,1,n,l,r,-s);
        }else{
            cin>>s>>t;
            if(getsz(1,1,n,s)<t){
                ans[i]=-1;
            }else{
                ask[s].push_back({getval(1,1,n,s)-getsz(1,1,n,s)+t,i});
            }
        }
    }
    
    for(int i=1;i<=max(n,q)*4;i++){
        tree[i]=lz[i]=0;
    }

    for(int i=1;i<=n;i++){
        for(int f=0;f<queries[i].size();f++){
            if(queries[i][f].type==0){
                update(1,1,q,queries[i][f].c,queries[i][f].c,queries[i][f].k);
            }else{
                update(1,1,q,queries[i][f].c,queries[i][f].c,-queries[i][f].k);
            }
        }

        for(int f=0;f<ask[i].size();f++){
            ans[ask[i][f].id]=c[getpos(1,1,q,ask[i][f].kth)];
        }
    }

    for(int i=1;i<=q;i++){
        if(ans[i]!=0){
            if(ans[i]==-1)cout<<0<<"\n";
            else cout<<ans[i]<<"\n";
        }
    }
            
 
    return 0;
}

Compilation message

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:161:65: warning: narrowing conversion of '((getval(1, 1, n, ((int)s)) - getsz(1, 1, n, ((int)s))) + t)' from 'long long int' to 'int' [-Wnarrowing]
  161 |                 ask[s].push_back({getval(1,1,n,s)-getsz(1,1,n,s)+t,i});
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
foodcourt.cpp:171:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  171 |         for(int f=0;f<queries[i].size();f++){
      |                     ~^~~~~~~~~~~~~~~~~~
foodcourt.cpp:179:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<qr>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  179 |         for(int f=0;f<ask[i].size();f++){
      |                     ~^~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 29272 KB Output is correct
2 Correct 10 ms 29276 KB Output is correct
3 Correct 9 ms 29276 KB Output is correct
4 Correct 9 ms 29488 KB Output is correct
5 Correct 9 ms 29276 KB Output is correct
6 Correct 8 ms 29276 KB Output is correct
7 Correct 11 ms 29440 KB Output is correct
8 Correct 9 ms 29532 KB Output is correct
9 Correct 10 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29532 KB Output is correct
12 Correct 10 ms 29276 KB Output is correct
13 Correct 8 ms 29276 KB Output is correct
14 Correct 9 ms 29276 KB Output is correct
15 Correct 10 ms 29276 KB Output is correct
16 Correct 10 ms 29276 KB Output is correct
17 Correct 10 ms 29276 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 11 ms 29532 KB Output is correct
20 Correct 10 ms 29580 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 29272 KB Output is correct
2 Correct 10 ms 29276 KB Output is correct
3 Correct 9 ms 29276 KB Output is correct
4 Correct 9 ms 29488 KB Output is correct
5 Correct 9 ms 29276 KB Output is correct
6 Correct 8 ms 29276 KB Output is correct
7 Correct 11 ms 29440 KB Output is correct
8 Correct 9 ms 29532 KB Output is correct
9 Correct 10 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29532 KB Output is correct
12 Correct 10 ms 29276 KB Output is correct
13 Correct 8 ms 29276 KB Output is correct
14 Correct 9 ms 29276 KB Output is correct
15 Correct 10 ms 29276 KB Output is correct
16 Correct 10 ms 29276 KB Output is correct
17 Correct 10 ms 29276 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 11 ms 29532 KB Output is correct
20 Correct 10 ms 29580 KB Output is correct
21 Incorrect 11 ms 29272 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 79 ms 41044 KB Output is correct
2 Correct 91 ms 41552 KB Output is correct
3 Correct 78 ms 41048 KB Output is correct
4 Correct 91 ms 40996 KB Output is correct
5 Correct 91 ms 41704 KB Output is correct
6 Correct 95 ms 41560 KB Output is correct
7 Correct 27 ms 34704 KB Output is correct
8 Correct 30 ms 34684 KB Output is correct
9 Correct 79 ms 41044 KB Output is correct
10 Correct 99 ms 41116 KB Output is correct
11 Correct 84 ms 41136 KB Output is correct
12 Correct 80 ms 41120 KB Output is correct
13 Correct 78 ms 41808 KB Output is correct
14 Correct 88 ms 42068 KB Output is correct
15 Correct 103 ms 43168 KB Output is correct
16 Correct 105 ms 43092 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 527 ms 76840 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 29272 KB Output is correct
2 Correct 10 ms 29276 KB Output is correct
3 Correct 9 ms 29276 KB Output is correct
4 Correct 9 ms 29488 KB Output is correct
5 Correct 9 ms 29276 KB Output is correct
6 Correct 8 ms 29276 KB Output is correct
7 Correct 11 ms 29440 KB Output is correct
8 Correct 9 ms 29532 KB Output is correct
9 Correct 10 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29532 KB Output is correct
12 Correct 10 ms 29276 KB Output is correct
13 Correct 8 ms 29276 KB Output is correct
14 Correct 9 ms 29276 KB Output is correct
15 Correct 10 ms 29276 KB Output is correct
16 Correct 10 ms 29276 KB Output is correct
17 Correct 10 ms 29276 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 11 ms 29532 KB Output is correct
20 Correct 10 ms 29580 KB Output is correct
21 Correct 79 ms 41044 KB Output is correct
22 Correct 91 ms 41552 KB Output is correct
23 Correct 78 ms 41048 KB Output is correct
24 Correct 91 ms 40996 KB Output is correct
25 Correct 91 ms 41704 KB Output is correct
26 Correct 95 ms 41560 KB Output is correct
27 Correct 27 ms 34704 KB Output is correct
28 Correct 30 ms 34684 KB Output is correct
29 Correct 79 ms 41044 KB Output is correct
30 Correct 99 ms 41116 KB Output is correct
31 Correct 84 ms 41136 KB Output is correct
32 Correct 80 ms 41120 KB Output is correct
33 Correct 78 ms 41808 KB Output is correct
34 Correct 88 ms 42068 KB Output is correct
35 Correct 103 ms 43168 KB Output is correct
36 Correct 105 ms 43092 KB Output is correct
37 Correct 90 ms 41296 KB Output is correct
38 Correct 101 ms 41492 KB Output is correct
39 Correct 25 ms 34692 KB Output is correct
40 Correct 30 ms 34612 KB Output is correct
41 Correct 109 ms 41660 KB Output is correct
42 Correct 101 ms 41364 KB Output is correct
43 Correct 99 ms 41432 KB Output is correct
44 Correct 108 ms 41556 KB Output is correct
45 Correct 105 ms 41556 KB Output is correct
46 Correct 102 ms 41556 KB Output is correct
47 Correct 46 ms 37972 KB Output is correct
48 Correct 83 ms 38684 KB Output is correct
49 Correct 73 ms 40820 KB Output is correct
50 Correct 94 ms 41168 KB Output is correct
51 Correct 114 ms 41544 KB Output is correct
52 Correct 101 ms 41556 KB Output is correct
53 Correct 93 ms 42576 KB Output is correct
54 Correct 138 ms 43080 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 105 ms 42068 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 29272 KB Output is correct
2 Correct 10 ms 29276 KB Output is correct
3 Correct 9 ms 29276 KB Output is correct
4 Correct 9 ms 29488 KB Output is correct
5 Correct 9 ms 29276 KB Output is correct
6 Correct 8 ms 29276 KB Output is correct
7 Correct 11 ms 29440 KB Output is correct
8 Correct 9 ms 29532 KB Output is correct
9 Correct 10 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29532 KB Output is correct
12 Correct 10 ms 29276 KB Output is correct
13 Correct 8 ms 29276 KB Output is correct
14 Correct 9 ms 29276 KB Output is correct
15 Correct 10 ms 29276 KB Output is correct
16 Correct 10 ms 29276 KB Output is correct
17 Correct 10 ms 29276 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 11 ms 29532 KB Output is correct
20 Correct 10 ms 29580 KB Output is correct
21 Incorrect 11 ms 29272 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 29272 KB Output is correct
2 Correct 10 ms 29276 KB Output is correct
3 Correct 9 ms 29276 KB Output is correct
4 Correct 9 ms 29488 KB Output is correct
5 Correct 9 ms 29276 KB Output is correct
6 Correct 8 ms 29276 KB Output is correct
7 Correct 11 ms 29440 KB Output is correct
8 Correct 9 ms 29532 KB Output is correct
9 Correct 10 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29532 KB Output is correct
12 Correct 10 ms 29276 KB Output is correct
13 Correct 8 ms 29276 KB Output is correct
14 Correct 9 ms 29276 KB Output is correct
15 Correct 10 ms 29276 KB Output is correct
16 Correct 10 ms 29276 KB Output is correct
17 Correct 10 ms 29276 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 11 ms 29532 KB Output is correct
20 Correct 10 ms 29580 KB Output is correct
21 Incorrect 11 ms 29272 KB Output isn't correct
22 Halted 0 ms 0 KB -