Submission #640530

# Submission time Handle Problem Language Result Execution time Memory
640530 2022-09-14T19:48:31 Z lis05st Comparing Plants (IOI20_plants) C++17
49 / 100
1117 ms 77632 KB
#ifdef LIS05ST
    #define _GLIBCXX_DEBUG
    #define _GLIBCXX_DEBUG_PEDANTIC
#endif
#pragma GCC optimize("O3")
#pragma GCC target("avx2,popcnt,lzcnt")
#include"plants.h"
#include"bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef long double ld;

const int NMAX=2e6;
int pref[NMAX+5];
int n,k;

int get(int l,int r){
    return pref[r]-pref[l-1];
}
bool one(int l,int r){
    return get(l,r)==r-l+1;
}
bool zero(int l,int r){
    return get(l,r)==0;
}
vector<int>h;
int id(int x){
    return (x%n+n)%n;
}


struct Node{
    int min;
    int pos;
    ll padd;
};
Node tree[4*NMAX+5];

Node merge(Node a,Node b){
    Node res;
    res.min=min(a.min,b.min);
    res.pos=-1;
    if(a.min==res.min){
        res.pos=max(res.pos,a.pos);
    }
    if(b.min==res.min){
        res.pos=max(res.pos,b.pos);
    }
    res.padd=0;
    return res;
}

vector<int>vec;
void build(int v,int l,int r){
    if(l==r){
        tree[v].min=vec[l];
        tree[v].pos=l;
        tree[v].padd=0;
        return;
    }
    int m=(l+r)/2;
    build(2*v,l,m);
    build(2*v+1,m+1,r);
    tree[v]=merge(tree[2*v],tree[2*v+1]);
}

void pushAdd(int v,int val){
    tree[v].min+=val;
    tree[v].padd+=val;
}
void push(int v,int l,int r){
    pushAdd(2*v,tree[v].padd);
    pushAdd(2*v+1,tree[v].padd);
    tree[v].padd=0;
}

pair<int,int> get(int v,int l,int r,int l0,int r0,bool p=1){
    //if(p)cout<<l<<":"<<r<<" "<<l0<<":"<<r0<<"\n";
    //if(p)cout<<tree[2*v].min<<" "<<tree[2*v].pos<<"\n";
    push(v,l,r);
    if(r0<l||r<l0||tree[v].min!=0)return {1e9,1e9};
    if(l0<=l&&r<=r0&&l==r)return {tree[v].min,tree[v].pos};
    int m=(l+r)/2;
    if(tree[2*v].min==0&&tree[2*v].pos>=l0)return get(2*v,l,m,l0,r0,p);
    return get(2*v+1,m+1,r,l0,r0,p);
}

void add(int v,int l,int r,int l0,int r0,int val){
    push(v,l,r);
    if(r0<l||r<l0)return;
    if(l0<=l&&r<=r0){
        pushAdd(v,val);
        return;
    }
    int m=(l+r)/2;
    add(2*v,l,m,l0,r0,val);
    add(2*v+1,m+1,r,l0,r0,val);
    tree[v]=merge(tree[2*v],tree[2*v+1]);
}

void add(int l,int r,int val){
    l-=3*n;r-=3*n;
    for(auto e:vector<int>{0,1,2,3,4,5,6,7,8}){
        if(0<=r&&r<=3*n-1){
            int L=min(3*n-1,max(l,0));
            int R=min(3*n-1,max(r,0));
            add(1,0,3*n-1,L,R,val);
        }
        else if(0<=l&&l<=3*n-1){
            int L=min(3*n-1,max(l,0));
            int R=min(3*n-1,max(r,0));
            add(1,0,3*n-1,L,R,val);
        }
        l+=n;r+=n;
    }
}
int step;
void extract(int pos){
    while(true){
        auto [a,b]=get(1,0,3*n-1,pos-k+1,pos-1);
        if(a==0)extract(b);
        else break;
    }

    h[pos%n]=step--;
    add(pos-k+1,pos-1,-1);
    add(pos,pos,1e9);
}

void init(int K, std::vector<int> rr){
    n=rr.size();h.resize(n);
    k=K;
    for(int i=0;i<n;i++)pref[i+1]=pref[i]+rr[i];

    for(int e=0;e<3;e++)for(int i=0;i<n;i++){
        vec.push_back(rr[i]);
    }
    //for(auto e:vec)cout<<e<<" ";cout<<"\n";
    build(1,0,3*n-1);
    int L=0+n+n;int R=n-1+n+n;
    step=n;
    while(step>=1){

        auto[val,pos]=get(1,0,3*n-1,L,R);
        extract(pos);
    }
    //for(auto e:h)cout<<e<<" ";cout<<endl;
};
int compare_plants(int x, int y){
    if(k==2){
        x++,y++;
        if(zero(x,y-1))return 1;
        if(one(1,x-1)&&one(y,n))return 1;
        if(one(x,y-1))return -1;
        if(zero(1,x-1)&&zero(y,n))return -1;
        return 0;
    }
    if(h[x]>h[y])return 1;
    if(h[x]<h[y])return -1;
    return 0;
}

#define MULTITESTS false
void solve(int testCase){

}

           
//   x     y


void precalc(){

}
/*
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    precalc();
    int t=1;
    if(MULTITESTS)cin>>t;
    for(int i=1;i<=t;i++){
        auto t1=clock();
        solve(i);
        auto t2=clock();
        float delta=t2-t1;
        delta/=CLOCKS_PER_SEC;
        #ifdef LIS05ST
        cout<<"("<<i<<")------------"<<fixed<<setprecision(2)<<delta<<"s\n";
        #endif
    }
}*/

Compilation message

plants.cpp: In function 'void add(int, int, int)':
plants.cpp:104:14: warning: unused variable 'e' [-Wunused-variable]
  104 |     for(auto e:vector<int>{0,1,2,3,4,5,6,7,8}){
      |              ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 45 ms 3024 KB Output is correct
7 Correct 88 ms 7852 KB Output is correct
8 Correct 518 ms 73884 KB Output is correct
9 Correct 587 ms 73892 KB Output is correct
10 Correct 504 ms 73924 KB Output is correct
11 Correct 500 ms 73992 KB Output is correct
12 Correct 498 ms 73996 KB Output is correct
13 Correct 507 ms 73884 KB Output is correct
14 Correct 505 ms 73908 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 5 ms 596 KB Output is correct
7 Correct 64 ms 4348 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 4 ms 596 KB Output is correct
10 Correct 70 ms 4356 KB Output is correct
11 Correct 53 ms 4272 KB Output is correct
12 Correct 59 ms 4484 KB Output is correct
13 Correct 59 ms 4284 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 5 ms 596 KB Output is correct
7 Correct 64 ms 4348 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 4 ms 596 KB Output is correct
10 Correct 70 ms 4356 KB Output is correct
11 Correct 53 ms 4272 KB Output is correct
12 Correct 59 ms 4484 KB Output is correct
13 Correct 59 ms 4284 KB Output is correct
14 Correct 117 ms 7828 KB Output is correct
15 Correct 1091 ms 74008 KB Output is correct
16 Correct 116 ms 7828 KB Output is correct
17 Correct 1117 ms 74016 KB Output is correct
18 Correct 644 ms 73980 KB Output is correct
19 Correct 652 ms 74036 KB Output is correct
20 Correct 950 ms 73948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 49 ms 3660 KB Output is correct
4 Correct 574 ms 74572 KB Output is correct
5 Correct 682 ms 77064 KB Output is correct
6 Correct 922 ms 77324 KB Output is correct
7 Correct 1050 ms 77428 KB Output is correct
8 Correct 1096 ms 77632 KB Output is correct
9 Correct 597 ms 76964 KB Output is correct
10 Correct 625 ms 76856 KB Output is correct
11 Correct 493 ms 76884 KB Output is correct
12 Correct 552 ms 77020 KB Output is correct
13 Correct 664 ms 77092 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Incorrect 0 ms 224 KB Output isn't correct
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 0 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 45 ms 3024 KB Output is correct
7 Correct 88 ms 7852 KB Output is correct
8 Correct 518 ms 73884 KB Output is correct
9 Correct 587 ms 73892 KB Output is correct
10 Correct 504 ms 73924 KB Output is correct
11 Correct 500 ms 73992 KB Output is correct
12 Correct 498 ms 73996 KB Output is correct
13 Correct 507 ms 73884 KB Output is correct
14 Correct 505 ms 73908 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 5 ms 596 KB Output is correct
21 Correct 64 ms 4348 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 4 ms 596 KB Output is correct
24 Correct 70 ms 4356 KB Output is correct
25 Correct 53 ms 4272 KB Output is correct
26 Correct 59 ms 4484 KB Output is correct
27 Correct 59 ms 4284 KB Output is correct
28 Correct 117 ms 7828 KB Output is correct
29 Correct 1091 ms 74008 KB Output is correct
30 Correct 116 ms 7828 KB Output is correct
31 Correct 1117 ms 74016 KB Output is correct
32 Correct 644 ms 73980 KB Output is correct
33 Correct 652 ms 74036 KB Output is correct
34 Correct 950 ms 73948 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 49 ms 3660 KB Output is correct
38 Correct 574 ms 74572 KB Output is correct
39 Correct 682 ms 77064 KB Output is correct
40 Correct 922 ms 77324 KB Output is correct
41 Correct 1050 ms 77428 KB Output is correct
42 Correct 1096 ms 77632 KB Output is correct
43 Correct 597 ms 76964 KB Output is correct
44 Correct 625 ms 76856 KB Output is correct
45 Correct 493 ms 76884 KB Output is correct
46 Correct 552 ms 77020 KB Output is correct
47 Correct 664 ms 77092 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Incorrect 0 ms 224 KB Output isn't correct
53 Halted 0 ms 0 KB -