답안 #75248 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
75248	2018-09-09T02:34:53 Z	jangwonyoung	자리 배치 (IOI18_seats)	C++14	100 / 100	3641 ms	53308 KB

seats

#include "seats.h"
#include<iostream>
#include<algorithm>
using namespace std;
int n,m,k;
int posx[1000001],posy[1000001];
int num[1000001];
int minv[2097152],minc[2097152];
int lazy[2097152];
int a[5];
void build(int id,int l,int r){
	minc[id]=r-l+1;
	if(l==r) return;
	int mid=(l+r)/2;
	build(id*2,l,mid);
	build(id*2+1,mid+1,r);
}
void supd(int id,int l,int r,int ll,int rr,int v){
	if(l>rr || r<ll) return;
	if(ll<=l && r<=rr){
		lazy[id]+=v;
		minv[id]+=v;
		return;
	}
	int mid=(l+r)/2;
	supd(id*2,l,mid,ll,rr,v);
	supd(id*2+1,mid+1,r,ll,rr,v);
	if(minv[id*2]<minv[id*2+1]) minv[id]=minv[id*2],minc[id]=minc[id*2];
	else if(minv[id*2]>minv[id*2+1]) minv[id]=minv[id*2+1],minc[id]=minc[id*2+1];
	else minv[id]=minv[id*2],minc[id]=minc[id*2]+minc[id*2+1];
	minv[id]+=lazy[id];
	return;
}
int get(int x,int y){
	if(x<0 || x>=n || y<0 || y>=m) return n*m;
	else return num[x*m+y];
}
void upd(int x,int y,int v){
	for(int i=0; i<2 ;i++)
		for(int j=0; j<2 ;j++)
			a[i+i+j]=get(x-i,y-j);
	sort(a,a+4);
	//cout << "UPD " << x << ' ' << y << ' ' << a[1] << ' ' << a[2] << ' ' << a[3] << ' ' << a[4] << ' ' << v << endl;;
	if(a[0]<a[1]) supd(1,0,k-1,a[0],a[1]-1,v);
	if(a[2]<a[3]) supd(1,0,k-1,a[2],a[3]-1,v);
}
void change(int x,int y,int v){
 	for(int i=0; i<2 ;i++)
		for(int j=0; j<2 ;j++)
			upd(x+i,y+j,-1);
	num[x*m+y]=v;
	for(int i=0; i<2 ;i++)
		for(int j=0; j<2 ;j++)
			upd(x+i,y+j,1);
}
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
	n=H;
	m=W;
	k=n*m;
	build(1,0,k-1);
	for(int i=0; i<k ;i++){
		posx[i]=R[i];
		posy[i]=C[i];
		num[posx[i]*m+posy[i]]=i;
	}
	for(int i=0; i<=n ;i++)
		for(int j=0; j<=m ;j++)
			upd(i,j,1);
}

int swap_seats(int a, int b) {
	change(posx[a],posy[a],b);
	change(posx[b],posy[b],a);
	swap(posx[a],posx[b]);
	swap(posy[a],posy[b]);
	return minc[1];//minv must be 4
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	508 KB	Output is correct
2	Correct	23 ms	580 KB	Output is correct
3	Correct	33 ms	580 KB	Output is correct
4	Correct	20 ms	788 KB	Output is correct
5	Correct	23 ms	788 KB	Output is correct
6	Correct	30 ms	900 KB	Output is correct
7	Correct	32 ms	900 KB	Output is correct
8	Correct	32 ms	900 KB	Output is correct
9	Correct	30 ms	900 KB	Output is correct
10	Correct	31 ms	900 KB	Output is correct
11	Correct	28 ms	900 KB	Output is correct
12	Correct	18 ms	900 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	508 KB	Output is correct
2	Correct	23 ms	580 KB	Output is correct
3	Correct	33 ms	580 KB	Output is correct
4	Correct	20 ms	788 KB	Output is correct
5	Correct	23 ms	788 KB	Output is correct
6	Correct	30 ms	900 KB	Output is correct
7	Correct	32 ms	900 KB	Output is correct
8	Correct	32 ms	900 KB	Output is correct
9	Correct	30 ms	900 KB	Output is correct
10	Correct	31 ms	900 KB	Output is correct
11	Correct	28 ms	900 KB	Output is correct
12	Correct	18 ms	900 KB	Output is correct
13	Correct	77 ms	1304 KB	Output is correct
14	Correct	90 ms	1304 KB	Output is correct
15	Correct	49 ms	1432 KB	Output is correct
16	Correct	38 ms	1432 KB	Output is correct
17	Correct	60 ms	1468 KB	Output is correct
18	Correct	60 ms	1468 KB	Output is correct
19	Correct	54 ms	1468 KB	Output is correct
20	Correct	46 ms	1468 KB	Output is correct
21	Correct	36 ms	1468 KB	Output is correct
22	Correct	40 ms	1468 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2331 ms	52796 KB	Output is correct
2	Correct	1235 ms	52796 KB	Output is correct
3	Correct	1203 ms	52796 KB	Output is correct
4	Correct	1004 ms	52796 KB	Output is correct
5	Correct	1041 ms	52796 KB	Output is correct
6	Correct	942 ms	52820 KB	Output is correct
7	Correct	1125 ms	52968 KB	Output is correct
8	Correct	1164 ms	52968 KB	Output is correct
9	Correct	1183 ms	52968 KB	Output is correct
10	Correct	1123 ms	52968 KB	Output is correct

Subtask #4
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	86 ms	52968 KB	Output is correct
2	Correct	175 ms	52968 KB	Output is correct
3	Correct	1032 ms	52968 KB	Output is correct
4	Correct	2330 ms	52968 KB	Output is correct
5	Correct	875 ms	52968 KB	Output is correct
6	Correct	1992 ms	52968 KB	Output is correct
7	Correct	968 ms	52968 KB	Output is correct
8	Correct	1190 ms	52968 KB	Output is correct
9	Correct	1260 ms	52968 KB	Output is correct
10	Correct	1157 ms	52968 KB	Output is correct
11	Correct	1044 ms	52968 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	53 ms	52968 KB	Output is correct
2	Correct	104 ms	52968 KB	Output is correct
3	Correct	166 ms	52968 KB	Output is correct
4	Correct	224 ms	52968 KB	Output is correct
5	Correct	350 ms	52968 KB	Output is correct
6	Correct	1407 ms	52968 KB	Output is correct
7	Correct	1680 ms	53180 KB	Output is correct
8	Correct	1462 ms	53180 KB	Output is correct
9	Correct	3144 ms	53308 KB	Output is correct
10	Correct	1332 ms	53308 KB	Output is correct
11	Correct	1322 ms	53308 KB	Output is correct
12	Correct	1357 ms	53308 KB	Output is correct

Subtask #6
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	508 KB	Output is correct
2	Correct	23 ms	580 KB	Output is correct
3	Correct	33 ms	580 KB	Output is correct
4	Correct	20 ms	788 KB	Output is correct
5	Correct	23 ms	788 KB	Output is correct
6	Correct	30 ms	900 KB	Output is correct
7	Correct	32 ms	900 KB	Output is correct
8	Correct	32 ms	900 KB	Output is correct
9	Correct	30 ms	900 KB	Output is correct
10	Correct	31 ms	900 KB	Output is correct
11	Correct	28 ms	900 KB	Output is correct
12	Correct	18 ms	900 KB	Output is correct
13	Correct	77 ms	1304 KB	Output is correct
14	Correct	90 ms	1304 KB	Output is correct
15	Correct	49 ms	1432 KB	Output is correct
16	Correct	38 ms	1432 KB	Output is correct
17	Correct	60 ms	1468 KB	Output is correct
18	Correct	60 ms	1468 KB	Output is correct
19	Correct	54 ms	1468 KB	Output is correct
20	Correct	46 ms	1468 KB	Output is correct
21	Correct	36 ms	1468 KB	Output is correct
22	Correct	40 ms	1468 KB	Output is correct
23	Correct	2331 ms	52796 KB	Output is correct
24	Correct	1235 ms	52796 KB	Output is correct
25	Correct	1203 ms	52796 KB	Output is correct
26	Correct	1004 ms	52796 KB	Output is correct
27	Correct	1041 ms	52796 KB	Output is correct
28	Correct	942 ms	52820 KB	Output is correct
29	Correct	1125 ms	52968 KB	Output is correct
30	Correct	1164 ms	52968 KB	Output is correct
31	Correct	1183 ms	52968 KB	Output is correct
32	Correct	1123 ms	52968 KB	Output is correct
33	Correct	86 ms	52968 KB	Output is correct
34	Correct	175 ms	52968 KB	Output is correct
35	Correct	1032 ms	52968 KB	Output is correct
36	Correct	2330 ms	52968 KB	Output is correct
37	Correct	875 ms	52968 KB	Output is correct
38	Correct	1992 ms	52968 KB	Output is correct
39	Correct	968 ms	52968 KB	Output is correct
40	Correct	1190 ms	52968 KB	Output is correct
41	Correct	1260 ms	52968 KB	Output is correct
42	Correct	1157 ms	52968 KB	Output is correct
43	Correct	1044 ms	52968 KB	Output is correct
44	Correct	53 ms	52968 KB	Output is correct
45	Correct	104 ms	52968 KB	Output is correct
46	Correct	166 ms	52968 KB	Output is correct
47	Correct	224 ms	52968 KB	Output is correct
48	Correct	350 ms	52968 KB	Output is correct
49	Correct	1407 ms	52968 KB	Output is correct
50	Correct	1680 ms	53180 KB	Output is correct
51	Correct	1462 ms	53180 KB	Output is correct
52	Correct	3144 ms	53308 KB	Output is correct
53	Correct	1332 ms	53308 KB	Output is correct
54	Correct	1322 ms	53308 KB	Output is correct
55	Correct	1357 ms	53308 KB	Output is correct
56	Correct	156 ms	53308 KB	Output is correct
57	Correct	316 ms	53308 KB	Output is correct
58	Correct	569 ms	53308 KB	Output is correct
59	Correct	1925 ms	53308 KB	Output is correct
60	Correct	3641 ms	53308 KB	Output is correct
61	Correct	1862 ms	53308 KB	Output is correct
62	Correct	1438 ms	53308 KB	Output is correct
63	Correct	3417 ms	53308 KB	Output is correct
64	Correct	2100 ms	53308 KB	Output is correct
65	Correct	1904 ms	53308 KB	Output is correct
66	Correct	2195 ms	53308 KB	Output is correct
67	Correct	2051 ms	53308 KB	Output is correct
68	Correct	1589 ms	53308 KB	Output is correct
69	Correct	2971 ms	53308 KB	Output is correct

답안 #75248

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 6.0 / 6.0

Subtask #3 20.0 / 20.0

Subtask #4 6.0 / 6.0

Subtask #5 33.0 / 33.0

Subtask #6 30.0 / 30.0

Subtask #1
5.0 / 5.0

Subtask #2
6.0 / 6.0

Subtask #3
20.0 / 20.0

Subtask #4
6.0 / 6.0

Subtask #5
33.0 / 33.0

Subtask #6
30.0 / 30.0