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Submission #251573

# Submission time Handle Problem Language Result Execution time Memory
251573 2020-07-21T19:41:33 Z test2 Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 48 ms 26488 KB 
#include<bits/stdc++.h>
#include "bubblesort2.h"
 
using namespace std ; 

const int N = 5e5 + 7 ;  
int n; 

int tree[N * 4] , lazy[N * 4] ; 
set<int> ixs[N]; 

void update(int node , int L , int R , int l , int r , int val){
        if(l > R || r < L || l > r)
                return ; 

        if(L>=l && R<=r){
                lazy[node] += val ; 
                return ; 
        }
        int mid = (L + R) >>1  ; 

        update(node*2+1 , L , mid , l , r , val) ; 
        update(node*2+2 , mid+1 , R , l , r, val) ; 
        tree[node] = max(tree[node *2 +1] + lazy[node*2+1] , tree[node*2+2] + lazy[node *2+2] ); 
}

int query(int node , int L , int R , int l , int r ){
        if(l > R || r < L || l > r)
                return -N ; 
        if(L>=l && R<=r)
                return tree[node] + lazy[node]; 
        int mid = (L+R) >> 1 ; 
        int s1 = query(node*2+1 , L , mid , l , r) ; 
        int s2 = query(node*2+2 , mid+1 , R , l , r ) ; 
        return max(s1 , s2) + lazy[node] ; 
}
int js[N] ; 

void add(int ix , int val){
        ixs[ix].insert(val) ; 
        auto u = ixs[ix].end() ; u -- ; 
        int mx = *u ; 
        update(0 , 1, N , ix , ix , mx - js[ix]) ;
        js[ix] = mx ; 
}

void del(int ix , int val){
        ixs[ix].erase(ixs[ix].find(val)) ; 
        auto u = ixs[ix].end() ; u -- ;
        int mx = *u ; 
        update(0 , 1 , N , ix , ix , mx - js[ix]) ; 
        js[ix] = mx ;         
}

unordered_map<int , int > com ; 

std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){

	int Q=X.size();
        n = (int) A.size() ; 
	std::vector<int> answer(Q);

        vector<int> aux ; 
        for(auto u : A)
                aux.push_back(u) ; 
        for(auto u : V)
                aux.push_back(u) ; 
        sort(aux.begin() , aux.end()) ; 
        int l = 0 , now = 0 ;
        for(int i = 0 ;i < (int) aux.size() ;i++){
                if(aux[i] > l)
                        now ++ ; 
                com[aux[i]] = now ; 
                l = aux[i] ;
        }
        for(int i = 0 ; i < n; i++){
                A[i] = com[A[i]] ; 
        }
        for(int i = 0 ;i < Q ;i++){
                V[i] = com[V[i]] ; 
        }

        //now = 200 ; 

        for(int i = 1 ;i<=now  + 100  ; i++){
                add(i , -N * 100  ) ; 
        }

        for(int i = 0 ; i < n; i++){
                add(A[i] , i) ; 
                update( 0 , 1 , N , A[i] +1 , now , -1) ; 
        }

	for (int j=0;j<Q;j++) {
                del(A[X[j]] , X[j]) ; 
                add(V[j] , X[j]) ; 
                if(V[j] >=A[X[j]]){
                        update( 0 , 1 , N , A[X[j]] +1 , V[j] , 1) ;                 
                }
                else{
                        update( 0 , 1 ,N , V[j] +1 , A[X[j]] , -1) ; 
                }
		A[ X[j] ] = V[ j ] ; 

                answer[j] =  query(0 , 1 , N , 1 , now  ) ; 
                answer[j] = max(answer[j] , 0) ; 

	}
	return answer;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 24064 KB Output is correct
2 Correct 15 ms 24192 KB Output is correct
3 Correct 21 ms 24576 KB Output is correct
4 Correct 20 ms 24576 KB Output is correct
5 Correct 20 ms 24448 KB Output is correct
6 Correct 20 ms 24576 KB Output is correct
7 Correct 19 ms 24448 KB Output is correct
8 Correct 20 ms 24448 KB Output is correct
9 Correct 24 ms 24448 KB Output is correct
10 Correct 29 ms 24448 KB Output is correct
11 Correct 21 ms 24448 KB Output is correct
12 Correct 21 ms 24448 KB Output is correct
13 Correct 25 ms 24448 KB Output is correct
14 Correct 19 ms 24448 KB Output is correct
15 Correct 22 ms 24448 KB Output is correct
16 Correct 21 ms 24448 KB Output is correct
17 Correct 18 ms 24448 KB Output is correct
18 Correct 28 ms 24448 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 24064 KB Output is correct
2 Correct 15 ms 24192 KB Output is correct
3 Correct 21 ms 24576 KB Output is correct
4 Correct 20 ms 24576 KB Output is correct
5 Correct 20 ms 24448 KB Output is correct
6 Correct 20 ms 24576 KB Output is correct
7 Correct 19 ms 24448 KB Output is correct
8 Correct 20 ms 24448 KB Output is correct
9 Correct 24 ms 24448 KB Output is correct
10 Correct 29 ms 24448 KB Output is correct
11 Correct 21 ms 24448 KB Output is correct
12 Correct 21 ms 24448 KB Output is correct
13 Correct 25 ms 24448 KB Output is correct
14 Correct 19 ms 24448 KB Output is correct
15 Correct 22 ms 24448 KB Output is correct
16 Correct 21 ms 24448 KB Output is correct
17 Correct 18 ms 24448 KB Output is correct
18 Correct 28 ms 24448 KB Output is correct
19 Correct 44 ms 26112 KB Output is correct
20 Correct 41 ms 26360 KB Output is correct
21 Correct 45 ms 26360 KB Output is correct
22 Correct 43 ms 26488 KB Output is correct
23 Correct 44 ms 26112 KB Output is correct
24 Correct 48 ms 26220 KB Output is correct
25 Correct 38 ms 25976 KB Output is correct
26 Correct 38 ms 26104 KB Output is correct
27 Correct 44 ms 25808 KB Output is correct
28 Correct 47 ms 25976 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 25592 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 24064 KB Output is correct
2 Correct 15 ms 24192 KB Output is correct
3 Correct 21 ms 24576 KB Output is correct
4 Correct 20 ms 24576 KB Output is correct
5 Correct 20 ms 24448 KB Output is correct
6 Correct 20 ms 24576 KB Output is correct
7 Correct 19 ms 24448 KB Output is correct
8 Correct 20 ms 24448 KB Output is correct
9 Correct 24 ms 24448 KB Output is correct
10 Correct 29 ms 24448 KB Output is correct
11 Correct 21 ms 24448 KB Output is correct
12 Correct 21 ms 24448 KB Output is correct
13 Correct 25 ms 24448 KB Output is correct
14 Correct 19 ms 24448 KB Output is correct
15 Correct 22 ms 24448 KB Output is correct
16 Correct 21 ms 24448 KB Output is correct
17 Correct 18 ms 24448 KB Output is correct
18 Correct 28 ms 24448 KB Output is correct
19 Correct 44 ms 26112 KB Output is correct
20 Correct 41 ms 26360 KB Output is correct
21 Correct 45 ms 26360 KB Output is correct
22 Correct 43 ms 26488 KB Output is correct
23 Correct 44 ms 26112 KB Output is correct
24 Correct 48 ms 26220 KB Output is correct
25 Correct 38 ms 25976 KB Output is correct
26 Correct 38 ms 26104 KB Output is correct
27 Correct 44 ms 25808 KB Output is correct
28 Correct 47 ms 25976 KB Output is correct
29 Incorrect 43 ms 25592 KB Output isn't correct
30 Halted 0 ms 0 KB -