oj.uz

Submission #300680

# Submission time Handle Problem Language Result Execution time Memory
300680 2020-09-17T11:51:57 Z errorgorn Comparing Plants (IOI20_plants) C++14
44 / 100
 1959 ms 56056 KB 
    #include "plants.h"
     
    #include <bits/stdc++.h>
    using namespace std;
     
    #define ll long long
    #define ii pair<ll,ll>
    #define fi first
    #define se second
     
    #define rep(x,s,e) for (auto x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e)?x++:x--))
    #define all(x) (x).begin(),(x).end()
    #define sz(x) (int) (x).size()
     
    const ll INF=1e18;
     
    struct node{
    	int s,e,m;
    	ii val;
    	ll lazy=0;
    	node *l,*r;
    	
    	node (int _s,int _e){
    		s=_s,e=_e,m=s+e>>1;
    		
    		val=ii(0,s);
    		if (s!=e){
    			l=new node(s,m);
    			r=new node(m+1,e);
    		}
    	}
    	
    	void propo(){
    		if (lazy){
    			val.fi+=lazy;
    			
    			if (s!=e){
    				l->lazy+=lazy;
    				r->lazy+=lazy;
    			}
    			
    			lazy=0;
    		}
    	}
    	
    	void update(int i,int j,ll k){
    		propo();
    		if (s==i && e==j) lazy+=k;
    		else{
    			if (j<=m) l->update(i,j,k);
    			else if (m<i) r->update(i,j,k);
    			else l->update(i,m,k),r->update(m+1,j,k);
    			
    			l->propo(),r->propo();
    			val=min(l->val,r->val);
    		}
    	}
    	
    	int query(int i){
    		propo();
    		
    		if (s==e) return val.fi;
    		else if (i<=m) return l->query(i);
    		else return r->query(i);
    	}
    } *root,*root2;
     
    int n;
    void update(int i,int j,ll k){
    	//cout<<i<<" "<<j<<" "<<k<<endl;
    	if (i<=j) root->update(i,j,k);
    	else root->update(i,n-1,k),root->update(0,j,k);
    }
     
    void update2(int i,int j,ll k){
    	//cout<<i<<" "<<j<<endl;
    	if (i<=j) root2->update(i,j,k);
    	else root2->update(i,n-1,k),root2->update(0,j,k);
    }
     
    vector<int> construct_fast(vector<int> v,int k){
    	n=sz(v);
    	vector<int> ans(n,0);
    	
    	root=new node(0,n-1);
    	root2=new node(0,n-1);
    	
    	rep(x,0,n) root->update(x,x,v[x]),root2->update(x,x,v[x]);
    	
    	while (root2->val.fi==0){
    		int pos=root2->val.se;
    		root2->update(pos,pos,INF);
    		update((pos+1)%n,(pos+(k-1))%n,1);
    	}
    	
    	rep(val,n,0){
    		int idx=root->val.se;
    		//cout<<"curr: "<<idx<<" "<<root->val.fi<<endl;
    		
    		ans[idx]=val;
    		
    		update((idx+1)%n,(idx+(k-1))%n,-1);
    		
    		update((idx-(k-1)+n)%n,(idx-1+n)%n,-1);
    		update2((idx-(k-1)+n)%n,(idx-1+n)%n,-1);
    		
    		//rep(x,0,n) cout<<root2->query(x)<<" "; cout<<endl;
    		
    		while (root2->val.fi==0){
    			int pos=root2->val.se;
    			root2->update(pos,pos,INF);
    			update((pos+1)%n,(pos+(k-1))%n,1);
    		}
    		
    		root->update(idx,idx,INF);
    	}
    	
    	return ans;
    }
     
    vector<int> arr;
     
    void init(int k, std::vector<int> r) {
    	arr=construct_fast(r,k);
    	
    	//for (auto &it:arr) cout<<it<<" "; cout<<endl;
    }
     
    int compare_plants(int x, int y) {
    	if (arr[x]<arr[y]) return -1;
    	else return 1;
    }

Compilation message

plants.cpp: In constructor 'node::node(int, int)':
plants.cpp:24:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |       s=_s,e=_e,m=s+e>>1;
      |                   ~^~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 88 ms 4472 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 87 ms 4472 KB Output is correct
11 Correct 78 ms 4344 KB Output is correct
12 Correct 76 ms 4600 KB Output is correct
13 Correct 82 ms 4476 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 88 ms 4472 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 87 ms 4472 KB Output is correct
11 Correct 78 ms 4344 KB Output is correct
12 Correct 76 ms 4600 KB Output is correct
13 Correct 82 ms 4476 KB Output is correct
14 Correct 182 ms 8696 KB Output is correct
15 Correct 1958 ms 55968 KB Output is correct
16 Correct 183 ms 8568 KB Output is correct
17 Correct 1953 ms 55960 KB Output is correct
18 Correct 783 ms 56056 KB Output is correct
19 Correct 788 ms 55864 KB Output is correct
20 Correct 1357 ms 55988 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 72 ms 3704 KB Output is correct
4 Correct 586 ms 55976 KB Output is correct
5 Correct 858 ms 56056 KB Output is correct
6 Correct 1384 ms 55960 KB Output is correct
7 Correct 1807 ms 55992 KB Output is correct
8 Correct 1959 ms 55960 KB Output is correct
9 Correct 665 ms 55960 KB Output is correct
10 Correct 690 ms 56056 KB Output is correct
11 Correct 457 ms 55928 KB Output is correct
12 Correct 590 ms 55968 KB Output is correct
13 Correct 812 ms 55964 KB Output is correct

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -