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Submission #205923

# Submission time Handle Problem Language Result Execution time Memory
205923 2020-03-01T10:40:01 Z GioChkhaidze Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 24 ms 2416 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 F first
#define S second
using namespace std;
const int N=5e5+5;
int n,q,S,L,R,dl,idx,val,Xx,Yy,a[N],pos[N],x[N],G[2*N],inf=-1e9;
vector < int > answer;  
vector < pair < pair < int , int > , pair < int , bool >  > > s;
typedef struct { int x; int add; } res;
res v[8*N];

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

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

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

void Up(int x,int dl) { while (x<=S) { G[x]+=dl; x+=(x & -x); } }
int Ge(int x) { int Res=0; while (x>0) { Res+=G[x]; x-=(x & -x); } return Res; }

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.push_back({{a[i],n-i},{i,0}});
	for (int i=1; i<=q; i++) 
		pos[i]=X[i-1]+1,x[i]=V[i-1],s.push_back({{x[i],n-pos[i]},{i,1}});
	
	sort(s.begin(),s.end()),S=s.size();
	
	for (int i=0; i<s.size(); i++) 
		if (!s[i].S.S) 
			a[s[i].S.F]=i+1;
				else
			x[s[i].S.F]=i+1;
		
	for (int i=1; i<=n; i++) Up(a[i],1);
	for (int i=1; i<=4*S; i++) v[i].x=inf;
	for (int i=1; i<=n; i++) 
		idx=a[i],val=i-Ge(a[i]),Upd(1,1,S);

	for (int i=1; i<=q; i++) {	
		Xx=a[pos[i]],Yy=x[i];
		Up(a[pos[i]],-1),Up(x[i],1);
 	
		if (Xx<=Yy) {
			idx=Xx,val=inf,Upd(1,1,S);
			L=Xx+1,R=Yy-1,dl=1;
			if (L<=R) Updlr(1,1,S);	
			idx=Yy,val=pos[i]-Ge(x[i]),Upd(1,1,S);
		}
			else 
		if (Yy<=Xx) {
			idx=Xx,val=inf,Upd(1,1,S);
			L=Yy+1,R=Xx-1,dl=-1;
			if (L<=R) Updlr(1,1,S);
			idx=Yy,val=pos[i]-Ge(x[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:55:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<s.size(); i++) 
                ~^~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 7 ms 504 KB Output is correct
3 Correct 9 ms 760 KB Output is correct
4 Correct 9 ms 760 KB Output is correct
5 Correct 9 ms 760 KB Output is correct
6 Correct 9 ms 760 KB Output is correct
7 Correct 8 ms 760 KB Output is correct
8 Correct 9 ms 760 KB Output is correct
9 Correct 9 ms 760 KB Output is correct
10 Correct 9 ms 812 KB Output is correct
11 Correct 8 ms 760 KB Output is correct
12 Correct 9 ms 760 KB Output is correct
13 Correct 9 ms 760 KB Output is correct
14 Correct 9 ms 760 KB Output is correct
15 Correct 9 ms 760 KB Output is correct
16 Correct 9 ms 760 KB Output is correct
17 Correct 9 ms 760 KB Output is correct
18 Correct 9 ms 760 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 7 ms 504 KB Output is correct
3 Correct 9 ms 760 KB Output is correct
4 Correct 9 ms 760 KB Output is correct
5 Correct 9 ms 760 KB Output is correct
6 Correct 9 ms 760 KB Output is correct
7 Correct 8 ms 760 KB Output is correct
8 Correct 9 ms 760 KB Output is correct
9 Correct 9 ms 760 KB Output is correct
10 Correct 9 ms 812 KB Output is correct
11 Correct 8 ms 760 KB Output is correct
12 Correct 9 ms 760 KB Output is correct
13 Correct 9 ms 760 KB Output is correct
14 Correct 9 ms 760 KB Output is correct
15 Correct 9 ms 760 KB Output is correct
16 Correct 9 ms 760 KB Output is correct
17 Correct 9 ms 760 KB Output is correct
18 Correct 9 ms 760 KB Output is correct
19 Correct 21 ms 1652 KB Output is correct
20 Correct 24 ms 1852 KB Output is correct
21 Correct 22 ms 1780 KB Output is correct
22 Correct 23 ms 1908 KB Output is correct
23 Correct 22 ms 1780 KB Output is correct
24 Correct 22 ms 1780 KB Output is correct
25 Correct 22 ms 1780 KB Output is correct
26 Correct 21 ms 1780 KB Output is correct
27 Correct 21 ms 1780 KB Output is correct
28 Correct 21 ms 1780 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 2416 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 7 ms 504 KB Output is correct
3 Correct 9 ms 760 KB Output is correct
4 Correct 9 ms 760 KB Output is correct
5 Correct 9 ms 760 KB Output is correct
6 Correct 9 ms 760 KB Output is correct
7 Correct 8 ms 760 KB Output is correct
8 Correct 9 ms 760 KB Output is correct
9 Correct 9 ms 760 KB Output is correct
10 Correct 9 ms 812 KB Output is correct
11 Correct 8 ms 760 KB Output is correct
12 Correct 9 ms 760 KB Output is correct
13 Correct 9 ms 760 KB Output is correct
14 Correct 9 ms 760 KB Output is correct
15 Correct 9 ms 760 KB Output is correct
16 Correct 9 ms 760 KB Output is correct
17 Correct 9 ms 760 KB Output is correct
18 Correct 9 ms 760 KB Output is correct
19 Correct 21 ms 1652 KB Output is correct
20 Correct 24 ms 1852 KB Output is correct
21 Correct 22 ms 1780 KB Output is correct
22 Correct 23 ms 1908 KB Output is correct
23 Correct 22 ms 1780 KB Output is correct
24 Correct 22 ms 1780 KB Output is correct
25 Correct 22 ms 1780 KB Output is correct
26 Correct 21 ms 1780 KB Output is correct
27 Correct 21 ms 1780 KB Output is correct
28 Correct 21 ms 1780 KB Output is correct
29 Incorrect 24 ms 2416 KB Output isn't correct
30 Halted 0 ms 0 KB -