oj.uz

답안 #906715

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
906715 2024-01-14T20:40:53 Z alexander707070 푸드 코트 (JOI21_foodcourt) C++14
24 / 100
 516 ms 76836 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,int l,int r){
    int 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,int l,int 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);
                total+=queries[i][f].k;
            }else{
                update(1,1,q,queries[i][f].c,queries[i][f].c,-queries[i][f].k);
                total-=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:181:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<qr>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  181 |         for(int f=0;f<ask[i].size();f++){
      |                     ~^~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 29276 KB Output is correct
2 Correct 10 ms 29272 KB Output is correct
3 Correct 11 ms 29512 KB Output is correct
4 Correct 10 ms 29532 KB Output is correct
5 Correct 9 ms 29528 KB Output is correct
6 Correct 9 ms 29276 KB Output is correct
7 Correct 11 ms 29276 KB Output is correct
8 Correct 11 ms 29272 KB Output is correct
9 Correct 11 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29528 KB Output is correct
12 Correct 10 ms 29272 KB Output is correct
13 Correct 15 ms 29272 KB Output is correct
14 Correct 10 ms 29272 KB Output is correct
15 Correct 11 ms 29276 KB Output is correct
16 Correct 10 ms 29400 KB Output is correct
17 Correct 10 ms 29272 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 10 ms 29532 KB Output is correct
20 Correct 11 ms 29532 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 29276 KB Output is correct
2 Correct 10 ms 29272 KB Output is correct
3 Correct 11 ms 29512 KB Output is correct
4 Correct 10 ms 29532 KB Output is correct
5 Correct 9 ms 29528 KB Output is correct
6 Correct 9 ms 29276 KB Output is correct
7 Correct 11 ms 29276 KB Output is correct
8 Correct 11 ms 29272 KB Output is correct
9 Correct 11 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29528 KB Output is correct
12 Correct 10 ms 29272 KB Output is correct
13 Correct 15 ms 29272 KB Output is correct
14 Correct 10 ms 29272 KB Output is correct
15 Correct 11 ms 29276 KB Output is correct
16 Correct 10 ms 29400 KB Output is correct
17 Correct 10 ms 29272 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 10 ms 29532 KB Output is correct
20 Correct 11 ms 29532 KB Output is correct
21 Incorrect 10 ms 29276 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 41024 KB Output is correct
2 Correct 86 ms 41560 KB Output is correct
3 Correct 73 ms 40892 KB Output is correct
4 Correct 80 ms 41044 KB Output is correct
5 Correct 85 ms 41556 KB Output is correct
6 Correct 91 ms 41552 KB Output is correct
7 Correct 29 ms 34812 KB Output is correct
8 Correct 28 ms 34688 KB Output is correct
9 Correct 79 ms 40968 KB Output is correct
10 Correct 80 ms 41196 KB Output is correct
11 Correct 84 ms 41472 KB Output is correct
12 Correct 107 ms 40984 KB Output is correct
13 Correct 76 ms 41808 KB Output is correct
14 Correct 105 ms 41892 KB Output is correct
15 Correct 104 ms 43148 KB Output is correct
16 Correct 104 ms 43040 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 516 ms 76836 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 29276 KB Output is correct
2 Correct 10 ms 29272 KB Output is correct
3 Correct 11 ms 29512 KB Output is correct
4 Correct 10 ms 29532 KB Output is correct
5 Correct 9 ms 29528 KB Output is correct
6 Correct 9 ms 29276 KB Output is correct
7 Correct 11 ms 29276 KB Output is correct
8 Correct 11 ms 29272 KB Output is correct
9 Correct 11 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29528 KB Output is correct
12 Correct 10 ms 29272 KB Output is correct
13 Correct 15 ms 29272 KB Output is correct
14 Correct 10 ms 29272 KB Output is correct
15 Correct 11 ms 29276 KB Output is correct
16 Correct 10 ms 29400 KB Output is correct
17 Correct 10 ms 29272 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 10 ms 29532 KB Output is correct
20 Correct 11 ms 29532 KB Output is correct
21 Correct 108 ms 41024 KB Output is correct
22 Correct 86 ms 41560 KB Output is correct
23 Correct 73 ms 40892 KB Output is correct
24 Correct 80 ms 41044 KB Output is correct
25 Correct 85 ms 41556 KB Output is correct
26 Correct 91 ms 41552 KB Output is correct
27 Correct 29 ms 34812 KB Output is correct
28 Correct 28 ms 34688 KB Output is correct
29 Correct 79 ms 40968 KB Output is correct
30 Correct 80 ms 41196 KB Output is correct
31 Correct 84 ms 41472 KB Output is correct
32 Correct 107 ms 40984 KB Output is correct
33 Correct 76 ms 41808 KB Output is correct
34 Correct 105 ms 41892 KB Output is correct
35 Correct 104 ms 43148 KB Output is correct
36 Correct 104 ms 43040 KB Output is correct
37 Correct 98 ms 41300 KB Output is correct
38 Correct 107 ms 41436 KB Output is correct
39 Correct 27 ms 34704 KB Output is correct
40 Correct 32 ms 34860 KB Output is correct
41 Correct 106 ms 41552 KB Output is correct
42 Correct 96 ms 41408 KB Output is correct
43 Correct 101 ms 41440 KB Output is correct
44 Correct 121 ms 41580 KB Output is correct
45 Correct 98 ms 41552 KB Output is correct
46 Correct 102 ms 41520 KB Output is correct
47 Correct 48 ms 37976 KB Output is correct
48 Correct 83 ms 38760 KB Output is correct
49 Correct 78 ms 40968 KB Output is correct
50 Correct 101 ms 41040 KB Output is correct
51 Correct 109 ms 41548 KB Output is correct
52 Correct 102 ms 41552 KB Output is correct
53 Correct 90 ms 42444 KB Output is correct
54 Correct 124 ms 43144 KB Output is correct

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 98 ms 42068 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 29276 KB Output is correct
2 Correct 10 ms 29272 KB Output is correct
3 Correct 11 ms 29512 KB Output is correct
4 Correct 10 ms 29532 KB Output is correct
5 Correct 9 ms 29528 KB Output is correct
6 Correct 9 ms 29276 KB Output is correct
7 Correct 11 ms 29276 KB Output is correct
8 Correct 11 ms 29272 KB Output is correct
9 Correct 11 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29528 KB Output is correct
12 Correct 10 ms 29272 KB Output is correct
13 Correct 15 ms 29272 KB Output is correct
14 Correct 10 ms 29272 KB Output is correct
15 Correct 11 ms 29276 KB Output is correct
16 Correct 10 ms 29400 KB Output is correct
17 Correct 10 ms 29272 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 10 ms 29532 KB Output is correct
20 Correct 11 ms 29532 KB Output is correct
21 Incorrect 10 ms 29276 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 29276 KB Output is correct
2 Correct 10 ms 29272 KB Output is correct
3 Correct 11 ms 29512 KB Output is correct
4 Correct 10 ms 29532 KB Output is correct
5 Correct 9 ms 29528 KB Output is correct
6 Correct 9 ms 29276 KB Output is correct
7 Correct 11 ms 29276 KB Output is correct
8 Correct 11 ms 29272 KB Output is correct
9 Correct 11 ms 29276 KB Output is correct
10 Correct 10 ms 29276 KB Output is correct
11 Correct 10 ms 29528 KB Output is correct
12 Correct 10 ms 29272 KB Output is correct
13 Correct 15 ms 29272 KB Output is correct
14 Correct 10 ms 29272 KB Output is correct
15 Correct 11 ms 29276 KB Output is correct
16 Correct 10 ms 29400 KB Output is correct
17 Correct 10 ms 29272 KB Output is correct
18 Correct 10 ms 29532 KB Output is correct
19 Correct 10 ms 29532 KB Output is correct
20 Correct 11 ms 29532 KB Output is correct
21 Incorrect 10 ms 29276 KB Output isn't correct
22 Halted 0 ms 0 KB -