oj.uz

답안 #251541

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
251541 2020-07-21T18:53:33 Z test2 Bubble Sort 2 (JOI18_bubblesort2) C++14
17 / 100
 9000 ms 1664 KB 
#include<bits/stdc++.h>
#include "bubblesort2.h"
 
using namespace std ; 

const int N = 2e5 + 7 ;  
int n; 

int tree[N * 4] , lazy[N * 4] ; 



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] = min(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 1e8 ; 
        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 min(s1 , s2) + lazy[node] ; 
}

void add(int ix , int val){

}

void del(int ix , int val){

}

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 = 0 ; i < n; i++){
                update( 0 , 1 , N , A[i] +1 , N , 1) ; 
        }

	for (int j=0;j<Q;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 ] ; 

                for(int i = 0 ;i < n;i++){  
                        int k = 0 ; 
                        
                        answer[j] = max(answer[j] , i - query(0 , 1 , N , A[i] , A[i] ) ) ; 
                }

	}
	return answer;
}

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:95:29: warning: unused variable 'k' [-Wunused-variable]
                         int k = 0 ; 
                             ^

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 572 KB Output is correct
2 Correct 133 ms 512 KB Output is correct
3 Correct 788 ms 888 KB Output is correct
4 Correct 755 ms 888 KB Output is correct
5 Correct 743 ms 888 KB Output is correct
6 Correct 674 ms 888 KB Output is correct
7 Correct 704 ms 888 KB Output is correct
8 Correct 728 ms 768 KB Output is correct
9 Correct 736 ms 816 KB Output is correct
10 Correct 691 ms 888 KB Output is correct
11 Correct 694 ms 768 KB Output is correct
12 Correct 682 ms 768 KB Output is correct
13 Correct 686 ms 760 KB Output is correct
14 Correct 668 ms 760 KB Output is correct
15 Correct 699 ms 760 KB Output is correct
16 Correct 662 ms 740 KB Output is correct
17 Correct 670 ms 888 KB Output is correct
18 Correct 651 ms 768 KB Output is correct

Subtask #2
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 572 KB Output is correct
2 Correct 133 ms 512 KB Output is correct
3 Correct 788 ms 888 KB Output is correct
4 Correct 755 ms 888 KB Output is correct
5 Correct 743 ms 888 KB Output is correct
6 Correct 674 ms 888 KB Output is correct
7 Correct 704 ms 888 KB Output is correct
8 Correct 728 ms 768 KB Output is correct
9 Correct 736 ms 816 KB Output is correct
10 Correct 691 ms 888 KB Output is correct
11 Correct 694 ms 768 KB Output is correct
12 Correct 682 ms 768 KB Output is correct
13 Correct 686 ms 760 KB Output is correct
14 Correct 668 ms 760 KB Output is correct
15 Correct 699 ms 760 KB Output is correct
16 Correct 662 ms 740 KB Output is correct
17 Correct 670 ms 888 KB Output is correct
18 Correct 651 ms 768 KB Output is correct
19 Execution timed out 9088 ms 1664 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 9084 ms 896 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 572 KB Output is correct
2 Correct 133 ms 512 KB Output is correct
3 Correct 788 ms 888 KB Output is correct
4 Correct 755 ms 888 KB Output is correct
5 Correct 743 ms 888 KB Output is correct
6 Correct 674 ms 888 KB Output is correct
7 Correct 704 ms 888 KB Output is correct
8 Correct 728 ms 768 KB Output is correct
9 Correct 736 ms 816 KB Output is correct
10 Correct 691 ms 888 KB Output is correct
11 Correct 694 ms 768 KB Output is correct
12 Correct 682 ms 768 KB Output is correct
13 Correct 686 ms 760 KB Output is correct
14 Correct 668 ms 760 KB Output is correct
15 Correct 699 ms 760 KB Output is correct
16 Correct 662 ms 740 KB Output is correct
17 Correct 670 ms 888 KB Output is correct
18 Correct 651 ms 768 KB Output is correct
19 Execution timed out 9088 ms 1664 KB Time limit exceeded
20 Halted 0 ms 0 KB -