oj.uz

답안 #251561

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
251561 2020-07-21T19:31:32 Z test2 Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 32 ms 7552 KB 
#include<bits/stdc++.h>
#include "bubblesort2.h"
 
using namespace std ; 

const int N = 1e5 + 7 ;  
int n; 

int tree[N * 4] , lazy[N * 4] ; 
multiset<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]] ; 
        }

        for(int i = 1 ;i<=now ; 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  ) ; 

	}
	return answer;
}

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5248 KB Output is correct
2 Correct 5 ms 5376 KB Output is correct
3 Correct 9 ms 5632 KB Output is correct
4 Correct 15 ms 5632 KB Output is correct
5 Correct 15 ms 5632 KB Output is correct
6 Correct 14 ms 5632 KB Output is correct
7 Correct 14 ms 5632 KB Output is correct
8 Correct 10 ms 5632 KB Output is correct
9 Correct 9 ms 5632 KB Output is correct
10 Correct 14 ms 5632 KB Output is correct
11 Correct 9 ms 5632 KB Output is correct
12 Correct 9 ms 5632 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 9 ms 5664 KB Output is correct
15 Correct 10 ms 5632 KB Output is correct
16 Correct 8 ms 5504 KB Output is correct
17 Correct 9 ms 5504 KB Output is correct
18 Correct 9 ms 5504 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5248 KB Output is correct
2 Correct 5 ms 5376 KB Output is correct
3 Correct 9 ms 5632 KB Output is correct
4 Correct 15 ms 5632 KB Output is correct
5 Correct 15 ms 5632 KB Output is correct
6 Correct 14 ms 5632 KB Output is correct
7 Correct 14 ms 5632 KB Output is correct
8 Correct 10 ms 5632 KB Output is correct
9 Correct 9 ms 5632 KB Output is correct
10 Correct 14 ms 5632 KB Output is correct
11 Correct 9 ms 5632 KB Output is correct
12 Correct 9 ms 5632 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 9 ms 5664 KB Output is correct
15 Correct 10 ms 5632 KB Output is correct
16 Correct 8 ms 5504 KB Output is correct
17 Correct 9 ms 5504 KB Output is correct
18 Correct 9 ms 5504 KB Output is correct
19 Correct 26 ms 7296 KB Output is correct
20 Correct 29 ms 7552 KB Output is correct
21 Correct 30 ms 7552 KB Output is correct
22 Correct 31 ms 7552 KB Output is correct
23 Correct 27 ms 7296 KB Output is correct
24 Correct 30 ms 7296 KB Output is correct
25 Correct 27 ms 7160 KB Output is correct
26 Correct 27 ms 7288 KB Output is correct
27 Correct 29 ms 7040 KB Output is correct
28 Correct 27 ms 7040 KB Output is correct

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 32 ms 6776 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5248 KB Output is correct
2 Correct 5 ms 5376 KB Output is correct
3 Correct 9 ms 5632 KB Output is correct
4 Correct 15 ms 5632 KB Output is correct
5 Correct 15 ms 5632 KB Output is correct
6 Correct 14 ms 5632 KB Output is correct
7 Correct 14 ms 5632 KB Output is correct
8 Correct 10 ms 5632 KB Output is correct
9 Correct 9 ms 5632 KB Output is correct
10 Correct 14 ms 5632 KB Output is correct
11 Correct 9 ms 5632 KB Output is correct
12 Correct 9 ms 5632 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 9 ms 5664 KB Output is correct
15 Correct 10 ms 5632 KB Output is correct
16 Correct 8 ms 5504 KB Output is correct
17 Correct 9 ms 5504 KB Output is correct
18 Correct 9 ms 5504 KB Output is correct
19 Correct 26 ms 7296 KB Output is correct
20 Correct 29 ms 7552 KB Output is correct
21 Correct 30 ms 7552 KB Output is correct
22 Correct 31 ms 7552 KB Output is correct
23 Correct 27 ms 7296 KB Output is correct
24 Correct 30 ms 7296 KB Output is correct
25 Correct 27 ms 7160 KB Output is correct
26 Correct 27 ms 7288 KB Output is correct
27 Correct 29 ms 7040 KB Output is correct
28 Correct 27 ms 7040 KB Output is correct
29 Incorrect 32 ms 6776 KB Output isn't correct
30 Halted 0 ms 0 KB -