답안 #75251 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
75251	2018-09-09T02:43:32 Z	jangwonyoung	자리 배치 (IOI18_seats)	C++14	100 / 100	3613 ms	53180 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];
inline 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);
}
inline 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];
}
int get(int x,int y){
	if(x<0 || x>=n || y<0 || y>=m) return n*m;
	else return num[x*m+y];
}
inline void upd(int x,int y,int v){
	for(int i=0; i<2 ;i++)
		for(int j=0; j<2 ;j++)
			if(x-i<0 || x-i>=n || y-j<0 || y-j>=m) a[i+i+j]=k;
			else a[i+i+j]=num[(x-i)*m+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);
}
inline 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	17 ms	504 KB	Output is correct
2	Correct	30 ms	644 KB	Output is correct
3	Correct	36 ms	852 KB	Output is correct
4	Correct	22 ms	852 KB	Output is correct
5	Correct	23 ms	852 KB	Output is correct
6	Correct	35 ms	852 KB	Output is correct
7	Correct	34 ms	852 KB	Output is correct
8	Correct	33 ms	852 KB	Output is correct
9	Correct	32 ms	864 KB	Output is correct
10	Correct	32 ms	864 KB	Output is correct
11	Correct	30 ms	864 KB	Output is correct
12	Correct	20 ms	864 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	504 KB	Output is correct
2	Correct	30 ms	644 KB	Output is correct
3	Correct	36 ms	852 KB	Output is correct
4	Correct	22 ms	852 KB	Output is correct
5	Correct	23 ms	852 KB	Output is correct
6	Correct	35 ms	852 KB	Output is correct
7	Correct	34 ms	852 KB	Output is correct
8	Correct	33 ms	852 KB	Output is correct
9	Correct	32 ms	864 KB	Output is correct
10	Correct	32 ms	864 KB	Output is correct
11	Correct	30 ms	864 KB	Output is correct
12	Correct	20 ms	864 KB	Output is correct
13	Correct	74 ms	1440 KB	Output is correct
14	Correct	87 ms	1440 KB	Output is correct
15	Correct	51 ms	1440 KB	Output is correct
16	Correct	40 ms	1440 KB	Output is correct
17	Correct	62 ms	1444 KB	Output is correct
18	Correct	65 ms	1444 KB	Output is correct
19	Correct	70 ms	1444 KB	Output is correct
20	Correct	52 ms	1444 KB	Output is correct
21	Correct	41 ms	1444 KB	Output is correct
22	Correct	46 ms	1444 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2369 ms	52640 KB	Output is correct
2	Correct	1292 ms	52704 KB	Output is correct
3	Correct	1238 ms	52792 KB	Output is correct
4	Correct	979 ms	52792 KB	Output is correct
5	Correct	1057 ms	52792 KB	Output is correct
6	Correct	940 ms	52792 KB	Output is correct
7	Correct	1066 ms	52792 KB	Output is correct
8	Correct	1218 ms	52792 KB	Output is correct
9	Correct	1219 ms	52792 KB	Output is correct
10	Correct	1168 ms	52792 KB	Output is correct

Subtask #4
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	71 ms	52792 KB	Output is correct
2	Correct	174 ms	52792 KB	Output is correct
3	Correct	1016 ms	52792 KB	Output is correct
4	Correct	2352 ms	52896 KB	Output is correct
5	Correct	872 ms	52896 KB	Output is correct
6	Correct	1965 ms	52896 KB	Output is correct
7	Correct	1002 ms	52896 KB	Output is correct
8	Correct	1244 ms	52896 KB	Output is correct
9	Correct	1180 ms	52896 KB	Output is correct
10	Correct	1080 ms	52896 KB	Output is correct
11	Correct	967 ms	52896 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	52 ms	52896 KB	Output is correct
2	Correct	115 ms	52896 KB	Output is correct
3	Correct	185 ms	52896 KB	Output is correct
4	Correct	260 ms	52896 KB	Output is correct
5	Correct	354 ms	52896 KB	Output is correct
6	Correct	1382 ms	52896 KB	Output is correct
7	Correct	1666 ms	53180 KB	Output is correct
8	Correct	1339 ms	53180 KB	Output is correct
9	Correct	2879 ms	53180 KB	Output is correct
10	Correct	1373 ms	53180 KB	Output is correct
11	Correct	1359 ms	53180 KB	Output is correct
12	Correct	1295 ms	53180 KB	Output is correct

Subtask #6
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	504 KB	Output is correct
2	Correct	30 ms	644 KB	Output is correct
3	Correct	36 ms	852 KB	Output is correct
4	Correct	22 ms	852 KB	Output is correct
5	Correct	23 ms	852 KB	Output is correct
6	Correct	35 ms	852 KB	Output is correct
7	Correct	34 ms	852 KB	Output is correct
8	Correct	33 ms	852 KB	Output is correct
9	Correct	32 ms	864 KB	Output is correct
10	Correct	32 ms	864 KB	Output is correct
11	Correct	30 ms	864 KB	Output is correct
12	Correct	20 ms	864 KB	Output is correct
13	Correct	74 ms	1440 KB	Output is correct
14	Correct	87 ms	1440 KB	Output is correct
15	Correct	51 ms	1440 KB	Output is correct
16	Correct	40 ms	1440 KB	Output is correct
17	Correct	62 ms	1444 KB	Output is correct
18	Correct	65 ms	1444 KB	Output is correct
19	Correct	70 ms	1444 KB	Output is correct
20	Correct	52 ms	1444 KB	Output is correct
21	Correct	41 ms	1444 KB	Output is correct
22	Correct	46 ms	1444 KB	Output is correct
23	Correct	2369 ms	52640 KB	Output is correct
24	Correct	1292 ms	52704 KB	Output is correct
25	Correct	1238 ms	52792 KB	Output is correct
26	Correct	979 ms	52792 KB	Output is correct
27	Correct	1057 ms	52792 KB	Output is correct
28	Correct	940 ms	52792 KB	Output is correct
29	Correct	1066 ms	52792 KB	Output is correct
30	Correct	1218 ms	52792 KB	Output is correct
31	Correct	1219 ms	52792 KB	Output is correct
32	Correct	1168 ms	52792 KB	Output is correct
33	Correct	71 ms	52792 KB	Output is correct
34	Correct	174 ms	52792 KB	Output is correct
35	Correct	1016 ms	52792 KB	Output is correct
36	Correct	2352 ms	52896 KB	Output is correct
37	Correct	872 ms	52896 KB	Output is correct
38	Correct	1965 ms	52896 KB	Output is correct
39	Correct	1002 ms	52896 KB	Output is correct
40	Correct	1244 ms	52896 KB	Output is correct
41	Correct	1180 ms	52896 KB	Output is correct
42	Correct	1080 ms	52896 KB	Output is correct
43	Correct	967 ms	52896 KB	Output is correct
44	Correct	52 ms	52896 KB	Output is correct
45	Correct	115 ms	52896 KB	Output is correct
46	Correct	185 ms	52896 KB	Output is correct
47	Correct	260 ms	52896 KB	Output is correct
48	Correct	354 ms	52896 KB	Output is correct
49	Correct	1382 ms	52896 KB	Output is correct
50	Correct	1666 ms	53180 KB	Output is correct
51	Correct	1339 ms	53180 KB	Output is correct
52	Correct	2879 ms	53180 KB	Output is correct
53	Correct	1373 ms	53180 KB	Output is correct
54	Correct	1359 ms	53180 KB	Output is correct
55	Correct	1295 ms	53180 KB	Output is correct
56	Correct	147 ms	53180 KB	Output is correct
57	Correct	344 ms	53180 KB	Output is correct
58	Correct	695 ms	53180 KB	Output is correct
59	Correct	1943 ms	53180 KB	Output is correct
60	Correct	3613 ms	53180 KB	Output is correct
61	Correct	1941 ms	53180 KB	Output is correct
62	Correct	1465 ms	53180 KB	Output is correct
63	Correct	3460 ms	53180 KB	Output is correct
64	Correct	2143 ms	53180 KB	Output is correct
65	Correct	1876 ms	53180 KB	Output is correct
66	Correct	2080 ms	53180 KB	Output is correct
67	Correct	1980 ms	53180 KB	Output is correct
68	Correct	1576 ms	53180 KB	Output is correct
69	Correct	3057 ms	53180 KB	Output is correct

답안 #75251

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