oj.uz

답안 #905250

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
905250 2024-01-12T21:22:53 Z alexander707070 푸드 코트 (JOI21_foodcourt) C++14
7 / 100
 1000 ms 115140 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){
    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(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:167:31: warning: narrowing conversion of 's' from 'long long int' to 'int' [-Wnarrowing]
  167 |             update(1,1,n,l,r,{s,i,t});
      |                               ^

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 95060 KB Output is correct
2 Correct 39 ms 95372 KB Output is correct
3 Correct 37 ms 95316 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 32 ms 97112 KB Output is correct
6 Correct 29 ms 95068 KB Output is correct
7 Correct 40 ms 95364 KB Output is correct
8 Correct 41 ms 95384 KB Output is correct
9 Correct 45 ms 95216 KB Output is correct
10 Correct 40 ms 95320 KB Output is correct
11 Correct 40 ms 95236 KB Output is correct
12 Correct 43 ms 95388 KB Output is correct
13 Correct 41 ms 95160 KB Output is correct
14 Correct 44 ms 95148 KB Output is correct
15 Correct 38 ms 95324 KB Output is correct
16 Correct 47 ms 95436 KB Output is correct
17 Correct 34 ms 95324 KB Output is correct
18 Correct 39 ms 95296 KB Output is correct
19 Correct 31 ms 95324 KB Output is correct
20 Correct 32 ms 95352 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 95060 KB Output is correct
2 Correct 39 ms 95372 KB Output is correct
3 Correct 37 ms 95316 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 32 ms 97112 KB Output is correct
6 Correct 29 ms 95068 KB Output is correct
7 Correct 40 ms 95364 KB Output is correct
8 Correct 41 ms 95384 KB Output is correct
9 Correct 45 ms 95216 KB Output is correct
10 Correct 40 ms 95320 KB Output is correct
11 Correct 40 ms 95236 KB Output is correct
12 Correct 43 ms 95388 KB Output is correct
13 Correct 41 ms 95160 KB Output is correct
14 Correct 44 ms 95148 KB Output is correct
15 Correct 38 ms 95324 KB Output is correct
16 Correct 47 ms 95436 KB Output is correct
17 Correct 34 ms 95324 KB Output is correct
18 Correct 39 ms 95296 KB Output is correct
19 Correct 31 ms 95324 KB Output is correct
20 Correct 32 ms 95352 KB Output is correct
21 Correct 36 ms 95312 KB Output is correct
22 Correct 37 ms 95312 KB Output is correct
23 Correct 34 ms 95324 KB Output is correct
24 Correct 35 ms 95324 KB Output is correct
25 Correct 30 ms 99160 KB Output is correct
26 Correct 31 ms 100956 KB Output is correct
27 Correct 39 ms 95324 KB Output is correct
28 Correct 41 ms 95412 KB Output is correct
29 Correct 39 ms 95324 KB Output is correct
30 Correct 41 ms 95380 KB Output is correct
31 Correct 41 ms 95320 KB Output is correct
32 Correct 40 ms 95316 KB Output is correct
33 Correct 41 ms 95156 KB Output is correct
34 Correct 45 ms 95068 KB Output is correct
35 Correct 42 ms 95324 KB Output is correct
36 Correct 51 ms 95568 KB Output is correct
37 Correct 31 ms 95068 KB Output is correct
38 Correct 35 ms 95200 KB Output is correct

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1046 ms 98700 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1038 ms 109536 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 95060 KB Output is correct
2 Correct 39 ms 95372 KB Output is correct
3 Correct 37 ms 95316 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 32 ms 97112 KB Output is correct
6 Correct 29 ms 95068 KB Output is correct
7 Correct 40 ms 95364 KB Output is correct
8 Correct 41 ms 95384 KB Output is correct
9 Correct 45 ms 95216 KB Output is correct
10 Correct 40 ms 95320 KB Output is correct
11 Correct 40 ms 95236 KB Output is correct
12 Correct 43 ms 95388 KB Output is correct
13 Correct 41 ms 95160 KB Output is correct
14 Correct 44 ms 95148 KB Output is correct
15 Correct 38 ms 95324 KB Output is correct
16 Correct 47 ms 95436 KB Output is correct
17 Correct 34 ms 95324 KB Output is correct
18 Correct 39 ms 95296 KB Output is correct
19 Correct 31 ms 95324 KB Output is correct
20 Correct 32 ms 95352 KB Output is correct
21 Execution timed out 1046 ms 98700 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 598 ms 112596 KB Output is correct
2 Correct 690 ms 113468 KB Output is correct
3 Correct 686 ms 114056 KB Output is correct
4 Correct 550 ms 110324 KB Output is correct
5 Correct 722 ms 112804 KB Output is correct
6 Correct 917 ms 115140 KB Output is correct
7 Correct 960 ms 102712 KB Output is correct
8 Correct 686 ms 96252 KB Output is correct
9 Execution timed out 1059 ms 103648 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 95060 KB Output is correct
2 Correct 39 ms 95372 KB Output is correct
3 Correct 37 ms 95316 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 32 ms 97112 KB Output is correct
6 Correct 29 ms 95068 KB Output is correct
7 Correct 40 ms 95364 KB Output is correct
8 Correct 41 ms 95384 KB Output is correct
9 Correct 45 ms 95216 KB Output is correct
10 Correct 40 ms 95320 KB Output is correct
11 Correct 40 ms 95236 KB Output is correct
12 Correct 43 ms 95388 KB Output is correct
13 Correct 41 ms 95160 KB Output is correct
14 Correct 44 ms 95148 KB Output is correct
15 Correct 38 ms 95324 KB Output is correct
16 Correct 47 ms 95436 KB Output is correct
17 Correct 34 ms 95324 KB Output is correct
18 Correct 39 ms 95296 KB Output is correct
19 Correct 31 ms 95324 KB Output is correct
20 Correct 32 ms 95352 KB Output is correct
21 Correct 36 ms 95312 KB Output is correct
22 Correct 37 ms 95312 KB Output is correct
23 Correct 34 ms 95324 KB Output is correct
24 Correct 35 ms 95324 KB Output is correct
25 Correct 30 ms 99160 KB Output is correct
26 Correct 31 ms 100956 KB Output is correct
27 Correct 39 ms 95324 KB Output is correct
28 Correct 41 ms 95412 KB Output is correct
29 Correct 39 ms 95324 KB Output is correct
30 Correct 41 ms 95380 KB Output is correct
31 Correct 41 ms 95320 KB Output is correct
32 Correct 40 ms 95316 KB Output is correct
33 Correct 41 ms 95156 KB Output is correct
34 Correct 45 ms 95068 KB Output is correct
35 Correct 42 ms 95324 KB Output is correct
36 Correct 51 ms 95568 KB Output is correct
37 Correct 31 ms 95068 KB Output is correct
38 Correct 35 ms 95200 KB Output is correct
39 Execution timed out 1046 ms 98700 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 95060 KB Output is correct
2 Correct 39 ms 95372 KB Output is correct
3 Correct 37 ms 95316 KB Output is correct
4 Correct 39 ms 95316 KB Output is correct
5 Correct 32 ms 97112 KB Output is correct
6 Correct 29 ms 95068 KB Output is correct
7 Correct 40 ms 95364 KB Output is correct
8 Correct 41 ms 95384 KB Output is correct
9 Correct 45 ms 95216 KB Output is correct
10 Correct 40 ms 95320 KB Output is correct
11 Correct 40 ms 95236 KB Output is correct
12 Correct 43 ms 95388 KB Output is correct
13 Correct 41 ms 95160 KB Output is correct
14 Correct 44 ms 95148 KB Output is correct
15 Correct 38 ms 95324 KB Output is correct
16 Correct 47 ms 95436 KB Output is correct
17 Correct 34 ms 95324 KB Output is correct
18 Correct 39 ms 95296 KB Output is correct
19 Correct 31 ms 95324 KB Output is correct
20 Correct 32 ms 95352 KB Output is correct
21 Correct 36 ms 95312 KB Output is correct
22 Correct 37 ms 95312 KB Output is correct
23 Correct 34 ms 95324 KB Output is correct
24 Correct 35 ms 95324 KB Output is correct
25 Correct 30 ms 99160 KB Output is correct
26 Correct 31 ms 100956 KB Output is correct
27 Correct 39 ms 95324 KB Output is correct
28 Correct 41 ms 95412 KB Output is correct
29 Correct 39 ms 95324 KB Output is correct
30 Correct 41 ms 95380 KB Output is correct
31 Correct 41 ms 95320 KB Output is correct
32 Correct 40 ms 95316 KB Output is correct
33 Correct 41 ms 95156 KB Output is correct
34 Correct 45 ms 95068 KB Output is correct
35 Correct 42 ms 95324 KB Output is correct
36 Correct 51 ms 95568 KB Output is correct
37 Correct 31 ms 95068 KB Output is correct
38 Correct 35 ms 95200 KB Output is correct
39 Execution timed out 1046 ms 98700 KB Time limit exceeded
40 Halted 0 ms 0 KB -