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Submission #206450

# Submission time Handle Problem Language Result Execution time Memory
206450 2020-03-03T10:44:22 Z GioChkhaidze Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 28 ms 3816 KB 
#include <bits/stdc++.h>
#include "bubblesort2.h"
#define Tree int h,int l,int r
#define Left (h<<1),l,(l+r)>>1
#define Right ((h<<1)|1),((l+r)>>1)+1,r
#define ll long long
#define pb push_back
#define F first
#define S second
using namespace std;
const int N=5e5+5;
ll n,q,S,L,R,dl,idx,val,Xx,Yy,a[N],pos[N],x[N],inf=-1e9;
vector < int > answer;  
vector < pair < pair < ll , ll > , pair < bool , ll >  > > s;
typedef struct { ll x; ll add; } res;
res v[8*N];

inline void Shift(Tree) {
	if (!v[h].add) return ;
	v[(h<<1)].x+=v[h].add;
	v[((h<<1)|1)].x+=v[h].add;
	v[(h<<1)].add+=v[h].add;
	v[((h<<1)|1)].add+=v[h].add;
	v[h].add=0;
}

void Upd(Tree) {
	if (R<l || r<L) return ;
	if (L<=l && r<=R) { v[h].add+=dl; v[h].x+=dl; return ; }
	Shift(h,l,r);
	Upd(Left),Upd(Right);
	v[h].x=max(v[(h<<1)].x,v[((h<<1)|1)].x);
}

std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){
	n=A.size(),q=X.size();
	
	for (int i=1; i<=n; i++) {
		a[i]=A[i-1];
		s.pb({{a[i],n-i},{0,i}});
	}
	
	for (int i=1; i<=q; i++) {
		pos[i]=X[i-1]+1,x[i]=V[i-1];
		s.pb({{x[i],n-pos[i]},{1,i}});
	}
	
	sort(s.begin(),s.end()),S=s.size();
	
	for (int i=0; i<S; i++) 
		if (!s[i].S.F) 
			a[s[i].S.S]=i+1;
				else 
			x[s[i].S.S]=i+1;
		
	if (S!=n+q) {
		answer.push_back(1/0);
		return answer;
	}	
		
	for (int i=1; i<=4*S; i++) 
		v[i].x=inf-1;
		
	for (int i=1; i<=n; i++) {
		L=a[i],R=a[i],dl=-inf+i,Upd(1,1,S);
		L=a[i]+1,R=S,dl=-1,Upd(1,1,S);
	}

	for (int i=1; i<=q; i++) {	
		Xx=a[pos[i]],Yy=x[i];
 		L=Xx,R=Xx,dl=inf-pos[i],Upd(1,1,S);
		L=min(Xx,Yy)+1,R=max(Xx,Yy)-1;
		if (Xx<=Yy) dl=1; else dl=-1;
		if (L<=R) Upd(1,1,S);	
		L=Yy,R=Yy,dl=-inf+pos[i],Upd(1,1,S);
		a[pos[i]]=x[i];
		answer.push_back(v[1].x);
	}

	return answer;
}

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:57:21: warning: division by zero [-Wdiv-by-zero]
   answer.push_back(1/0);
                    ~^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 9 ms 1016 KB Output is correct
4 Correct 9 ms 1016 KB Output is correct
5 Correct 8 ms 888 KB Output is correct
6 Correct 8 ms 888 KB Output is correct
7 Correct 9 ms 888 KB Output is correct
8 Correct 9 ms 1016 KB Output is correct
9 Correct 8 ms 1016 KB Output is correct
10 Correct 8 ms 888 KB Output is correct
11 Correct 8 ms 1016 KB Output is correct
12 Correct 8 ms 892 KB Output is correct
13 Correct 8 ms 1016 KB Output is correct
14 Correct 8 ms 1016 KB Output is correct
15 Correct 9 ms 888 KB Output is correct
16 Correct 8 ms 888 KB Output is correct
17 Correct 9 ms 1016 KB Output is correct
18 Correct 8 ms 1016 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 9 ms 1016 KB Output is correct
4 Correct 9 ms 1016 KB Output is correct
5 Correct 8 ms 888 KB Output is correct
6 Correct 8 ms 888 KB Output is correct
7 Correct 9 ms 888 KB Output is correct
8 Correct 9 ms 1016 KB Output is correct
9 Correct 8 ms 1016 KB Output is correct
10 Correct 8 ms 888 KB Output is correct
11 Correct 8 ms 1016 KB Output is correct
12 Correct 8 ms 892 KB Output is correct
13 Correct 8 ms 1016 KB Output is correct
14 Correct 8 ms 1016 KB Output is correct
15 Correct 9 ms 888 KB Output is correct
16 Correct 8 ms 888 KB Output is correct
17 Correct 9 ms 1016 KB Output is correct
18 Correct 8 ms 1016 KB Output is correct
19 Correct 20 ms 2288 KB Output is correct
20 Correct 22 ms 2420 KB Output is correct
21 Correct 22 ms 2416 KB Output is correct
22 Correct 27 ms 2416 KB Output is correct
23 Correct 21 ms 2416 KB Output is correct
24 Correct 21 ms 2416 KB Output is correct
25 Correct 21 ms 2416 KB Output is correct
26 Correct 21 ms 2416 KB Output is correct
27 Correct 21 ms 2416 KB Output is correct
28 Correct 21 ms 2416 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 3816 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 9 ms 1016 KB Output is correct
4 Correct 9 ms 1016 KB Output is correct
5 Correct 8 ms 888 KB Output is correct
6 Correct 8 ms 888 KB Output is correct
7 Correct 9 ms 888 KB Output is correct
8 Correct 9 ms 1016 KB Output is correct
9 Correct 8 ms 1016 KB Output is correct
10 Correct 8 ms 888 KB Output is correct
11 Correct 8 ms 1016 KB Output is correct
12 Correct 8 ms 892 KB Output is correct
13 Correct 8 ms 1016 KB Output is correct
14 Correct 8 ms 1016 KB Output is correct
15 Correct 9 ms 888 KB Output is correct
16 Correct 8 ms 888 KB Output is correct
17 Correct 9 ms 1016 KB Output is correct
18 Correct 8 ms 1016 KB Output is correct
19 Correct 20 ms 2288 KB Output is correct
20 Correct 22 ms 2420 KB Output is correct
21 Correct 22 ms 2416 KB Output is correct
22 Correct 27 ms 2416 KB Output is correct
23 Correct 21 ms 2416 KB Output is correct
24 Correct 21 ms 2416 KB Output is correct
25 Correct 21 ms 2416 KB Output is correct
26 Correct 21 ms 2416 KB Output is correct
27 Correct 21 ms 2416 KB Output is correct
28 Correct 21 ms 2416 KB Output is correct
29 Incorrect 28 ms 3816 KB Output isn't correct
30 Halted 0 ms 0 KB -