oj.uz

답안 #286841

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
286841 2020-08-31T05:11:32 Z tmwilliamlin168 자리 배치 (IOI18_seats) C++14
100 / 100
 2382 ms 105956 KB 
#include "seats.h"
#include <bits/stdc++.h>
using namespace std;

#define ar array

int h, w, lz[1<<21], b[1000001];
vector<int> r, c;
vector<vector<int>> a;
ar<int, 2> st[1<<21];

void cmb(int i) {
	st[i]={min(st[2*i][0], st[2*i+1][0])};
	st[i][1]=(st[2*i][0]>st[i][0]?0:st[2*i][1])+(st[2*i+1][0]>st[i][0]?0:st[2*i+1][1]);
}

void bld(int i=1, int l2=0, int r2=h*w-1) {
	if(l2==r2) {
		st[i]={b[l2], 1};
		return;
	}
	int m2=(l2+r2)/2;
	bld(2*i, l2, m2);
	bld(2*i+1, m2+1, r2);
	cmb(i);
}

void app(int i, int x) {
	st[i][0]+=x;
	lz[i]+=x;
}

void upd(int l1, int r1, int x, int i=1, int l2=0, int r2=h*w-1) {
	if(!st[1][1]) {
		b[l1]+=x;
		b[r1+1]-=x;
		return;
	}
	if(l1<=l2&&r2<=r1) {
		app(i, x);
		return;
	}
	int m2=(l2+r2)/2;
	app(2*i, lz[i]);
	app(2*i+1, lz[i]);
	lz[i]=0;
	if(l1<=m2)
		upd(l1, r1, x, 2*i, l2, m2);
	if(m2<r1)
		upd(l1, r1, x, 2*i+1, m2+1, r2);
	cmb(i);
}

void cs(int x, int y, int z) {
	vector<int> v;
	for(int d=!x-1; d<(x<h); ++d)
		for(int e=!y-1; e<(y<w); ++e)
			v.push_back(a[x+d][y+e]);
	sort(v.begin(), v.end());
	upd(v[0], (v.size()>1?v[1]:h*w)-1, z);
	if(v.size()>2)
		upd(v[2], v[3]-1, z);
}

void give_initial_chart(int h, int w, vector<int> r, vector<int> c) {
	::h=h;
	::w=w;
	::r=r;
	::c=c;
	a=vector<vector<int>>(h, vector<int>(w));
	for(int i=0; i<h*w; ++i)
		a[r[i]][c[i]]=i;
	for(int i=0; i<=h; ++i)
		for(int j=0; j<=w; ++j)
			cs(i, j, 1);
	for(int i=0; i<h*w; ++i)
		b[i+1]+=b[i];
	bld();
}

int swap_seats(int x, int y) {
	vector<ar<int, 2>> v;
	for(int i : {x, y})
		for(int d : {0, 1})
			for(int e : {0, 1})
				v.push_back({r[i]+d, c[i]+e});
	sort(v.begin(), v.end());
	v.resize(unique(v.begin(), v.end())-v.begin());
	for(auto a : v)
		cs(a[0], a[1], -1);
	swap(a[r[x]][c[x]], a[r[y]][c[y]]);
	swap(r[x], r[y]);
	swap(c[x], c[y]);
	for(auto a : v)
		cs(a[0], a[1], 1);
	return st[1][1];
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 512 KB Output is correct
2 Correct 31 ms 512 KB Output is correct
3 Correct 46 ms 632 KB Output is correct
4 Correct 28 ms 512 KB Output is correct
5 Correct 25 ms 512 KB Output is correct
6 Correct 38 ms 512 KB Output is correct
7 Correct 42 ms 512 KB Output is correct
8 Correct 38 ms 512 KB Output is correct
9 Correct 39 ms 512 KB Output is correct
10 Correct 41 ms 512 KB Output is correct
11 Correct 39 ms 512 KB Output is correct
12 Correct 26 ms 512 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 512 KB Output is correct
2 Correct 31 ms 512 KB Output is correct
3 Correct 46 ms 632 KB Output is correct
4 Correct 28 ms 512 KB Output is correct
5 Correct 25 ms 512 KB Output is correct
6 Correct 38 ms 512 KB Output is correct
7 Correct 42 ms 512 KB Output is correct
8 Correct 38 ms 512 KB Output is correct
9 Correct 39 ms 512 KB Output is correct
10 Correct 41 ms 512 KB Output is correct
11 Correct 39 ms 512 KB Output is correct
12 Correct 26 ms 512 KB Output is correct
13 Correct 85 ms 1300 KB Output is correct
14 Correct 99 ms 1280 KB Output is correct
15 Correct 54 ms 1280 KB Output is correct
16 Correct 46 ms 1824 KB Output is correct
17 Correct 74 ms 1280 KB Output is correct
18 Correct 73 ms 1328 KB Output is correct
19 Correct 70 ms 1280 KB Output is correct
20 Correct 59 ms 1536 KB Output is correct
21 Correct 45 ms 1280 KB Output is correct
22 Correct 46 ms 1792 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 789 ms 56308 KB Output is correct
2 Correct 641 ms 56164 KB Output is correct
3 Correct 639 ms 56168 KB Output is correct
4 Correct 628 ms 56420 KB Output is correct
5 Correct 638 ms 56320 KB Output is correct
6 Correct 641 ms 56164 KB Output is correct
7 Correct 638 ms 56184 KB Output is correct
8 Correct 636 ms 56164 KB Output is correct
9 Correct 634 ms 56180 KB Output is correct
10 Correct 633 ms 56036 KB Output is correct

Subtask #4
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 1308 KB Output is correct
2 Correct 145 ms 7088 KB Output is correct
3 Correct 619 ms 55908 KB Output is correct
4 Correct 754 ms 55652 KB Output is correct
5 Correct 611 ms 55580 KB Output is correct
6 Correct 926 ms 105956 KB Output is correct
7 Correct 620 ms 54988 KB Output is correct
8 Correct 637 ms 55012 KB Output is correct
9 Correct 634 ms 55396 KB Output is correct
10 Correct 644 ms 57972 KB Output is correct
11 Correct 684 ms 78180 KB Output is correct

Subtask #5
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 123 ms 2036 KB Output is correct
2 Correct 186 ms 2088 KB Output is correct
3 Correct 251 ms 2036 KB Output is correct
4 Correct 310 ms 2164 KB Output is correct
5 Correct 485 ms 3168 KB Output is correct
6 Correct 1258 ms 51540 KB Output is correct
7 Correct 1262 ms 53112 KB Output is correct
8 Correct 1235 ms 51080 KB Output is correct
9 Correct 1498 ms 52640 KB Output is correct
10 Correct 1163 ms 51872 KB Output is correct
11 Correct 1173 ms 50972 KB Output is correct
12 Correct 1128 ms 50716 KB Output is correct

Subtask #6
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 512 KB Output is correct
2 Correct 31 ms 512 KB Output is correct
3 Correct 46 ms 632 KB Output is correct
4 Correct 28 ms 512 KB Output is correct
5 Correct 25 ms 512 KB Output is correct
6 Correct 38 ms 512 KB Output is correct
7 Correct 42 ms 512 KB Output is correct
8 Correct 38 ms 512 KB Output is correct
9 Correct 39 ms 512 KB Output is correct
10 Correct 41 ms 512 KB Output is correct
11 Correct 39 ms 512 KB Output is correct
12 Correct 26 ms 512 KB Output is correct
13 Correct 85 ms 1300 KB Output is correct
14 Correct 99 ms 1280 KB Output is correct
15 Correct 54 ms 1280 KB Output is correct
16 Correct 46 ms 1824 KB Output is correct
17 Correct 74 ms 1280 KB Output is correct
18 Correct 73 ms 1328 KB Output is correct
19 Correct 70 ms 1280 KB Output is correct
20 Correct 59 ms 1536 KB Output is correct
21 Correct 45 ms 1280 KB Output is correct
22 Correct 46 ms 1792 KB Output is correct
23 Correct 789 ms 56308 KB Output is correct
24 Correct 641 ms 56164 KB Output is correct
25 Correct 639 ms 56168 KB Output is correct
26 Correct 628 ms 56420 KB Output is correct
27 Correct 638 ms 56320 KB Output is correct
28 Correct 641 ms 56164 KB Output is correct
29 Correct 638 ms 56184 KB Output is correct
30 Correct 636 ms 56164 KB Output is correct
31 Correct 634 ms 56180 KB Output is correct
32 Correct 633 ms 56036 KB Output is correct
33 Correct 84 ms 1308 KB Output is correct
34 Correct 145 ms 7088 KB Output is correct
35 Correct 619 ms 55908 KB Output is correct
36 Correct 754 ms 55652 KB Output is correct
37 Correct 611 ms 55580 KB Output is correct
38 Correct 926 ms 105956 KB Output is correct
39 Correct 620 ms 54988 KB Output is correct
40 Correct 637 ms 55012 KB Output is correct
41 Correct 634 ms 55396 KB Output is correct
42 Correct 644 ms 57972 KB Output is correct
43 Correct 684 ms 78180 KB Output is correct
44 Correct 123 ms 2036 KB Output is correct
45 Correct 186 ms 2088 KB Output is correct
46 Correct 251 ms 2036 KB Output is correct
47 Correct 310 ms 2164 KB Output is correct
48 Correct 485 ms 3168 KB Output is correct
49 Correct 1258 ms 51540 KB Output is correct
50 Correct 1262 ms 53112 KB Output is correct
51 Correct 1235 ms 51080 KB Output is correct
52 Correct 1498 ms 52640 KB Output is correct
53 Correct 1163 ms 51872 KB Output is correct
54 Correct 1173 ms 50972 KB Output is correct
55 Correct 1128 ms 50716 KB Output is correct
56 Correct 227 ms 2032 KB Output is correct
57 Correct 436 ms 2036 KB Output is correct
58 Correct 696 ms 2848 KB Output is correct
59 Correct 1713 ms 50232 KB Output is correct
60 Correct 2382 ms 50408 KB Output is correct
61 Correct 1547 ms 66404 KB Output is correct
62 Correct 1358 ms 66368 KB Output is correct
63 Correct 2064 ms 66504 KB Output is correct
64 Correct 1700 ms 66480 KB Output is correct
65 Correct 1503 ms 66416 KB Output is correct
66 Correct 1773 ms 66656 KB Output is correct
67 Correct 1661 ms 69512 KB Output is correct
68 Correct 1451 ms 80776 KB Output is correct
69 Correct 2089 ms 89812 KB Output is correct