답안 #84999

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
84999 2018-11-18T02:17:06 Z qkxwsm 원 고르기 (APIO18_circle_selection) C++14
49 / 100
3000 ms 555300 KB
/*
:>
*/
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/rope>

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;

random_device(rd);
mt19937 rng(rd());
const long long FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();

struct custom_hash
{
	template<class T>
	unsigned long long operator()(T v) const
	{
		unsigned long long x = v;
		x += FIXED_RANDOM; x += 11400714819323198485ull;
		x = (x ^ (x >> 30)) * 13787848793156543929ull;
		x = (x ^ (x >> 27)) * 10723151780598845931ull;
		return x ^ (x >> 31);
	}
};

template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T, class U> using hash_table = gp_hash_table<T, U, custom_hash>;

template<class T>
void readi(T &x)
{
	x = 0;
	bool negative = false;
	char c = ' ';
	while (c < '-')
	{
		c = getchar();
	}
	if (c == '-')
	{
		negative = true;
		c = getchar();
	}
	while (c >= '0')
	{
		x = x * 10 + (c - '0');
		c = getchar();
	}
	if (negative)
	{
		x = -x;
	}
}
template<class T>
void printi(T output)
{
	if (output == 0)
	{
		putchar('0');
		return;
	}
	if (output < 0)
	{
		putchar('-');
		output = -output;
	}
	int buf[20], n = 0;
	while(output)
	{
		buf[n] = ((output % 10));
		output /= 10;
		n++;
	}
	for (n--; n >= 0; n--)
	{
		putchar(buf[n] + '0');
	}
	return;
}
template<class T>
void ckmin(T &a, T b)
{
	a = min(a, b);
}
template<class T>
void ckmax(T &a, T b)
{
	a = max(a, b);
}
long long expo(long long a, long long e, long long mod)
{
	return ((e == 0) ? 1 : ((expo(a * a % mod, e >> 1, mod)) * ((e & 1) ? a : 1) % mod));
}
template<class T, class U>
void nmod(T &x, U mod)
{
	if (x >= mod) x -= mod;
}
template<class T>
T gcd(T a, T b)
{
	return (b ? gcd(b, a % b) : a);
}
template<class T>
T randomize(T mod)
{
	return (uniform_int_distribution<T>(0, mod - 1))(rng);
}

#define y0 ___y0
#define y1 ___y1
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define PF push_front
#define fi first
#define se second
#define debug(x) cerr << #x << " = " << x << endl;
#define SZ(x) ((int) (x.size()))

const long double PI = 4.0 * atan(1.0);
const long double EPS = 1e-9;

#define MAGIC 347
#define SINF 10007
#define CO 1000007
#define INF 1000000007
#define BIG 1000000931
#define LARGE 1696969696967ll
#define GIANT 2564008813937411ll
#define LLINF 2696969696969696969ll
#define MAXN 300013

typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pdd;
typedef pair<pll, pll> ppp;

int N;
ppp arr[MAXN];
int ans[MAXN];

struct cmp
{
	bool operator() (const ppp &a, const ppp &b) const
	{
		if (a.fi.fi != b.fi.fi)
		{
			return a.fi.fi > b.fi.fi;
		}
		return a.fi.se < b.fi.se;
	}
};

bool cmp(ppp a, ppp b)
{
	if (a.fi.fi != b.fi.fi)
	{
		return a.fi.fi > b.fi.fi;
	}
	return a.fi.se < b.fi.se;
}

ll dist(pll a, pll b)
{
	return (a.fi - b.fi) * (a.fi - b.fi) + (a.se - b.se) * (a.se - b.se);
}
bool intersect(ppp a, ppp b)
{
	return dist(a.se, b.se) <= (a.fi.fi + b.fi.fi) * (a.fi.fi + b.fi.fi);
}
hash_table<ll, vi> stor;

int32_t main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	// cout << fixed << setprecision(10);
	// cerr << fixed << setprecision(10);
	// freopen ("file.in", "r", stdin);
	// freopen ("file.out", "w", stdout);
	readi(N);
	for (int i = 0; i < N; i++)
	{
		readi(arr[i].se.fi); readi(arr[i].se.se); readi(arr[i].fi.fi); arr[i].fi.se = i;
		arr[i].se.fi += INF; arr[i].se.se += INF;
		ans[i] = -1;
	}
	sort(arr, arr + N, cmp);
	int iter = 0;
	for (int i = 32; i >= 2; i--)
	{
		//all circles of radius [2^i - 1...2^i)
		ll block = (1ll << i);
		stor.clear();
		for (int j = 0; j < N; j++)
		{
			if (ans[arr[j].fi.se] != -1) continue;
			ll x = arr[j].se.fi, y = arr[j].se.se;
			stor[(((x / block) * block) << 31) + ((y / block) * block)].PB(j);
		}
		while(iter < N && arr[iter].fi.fi >= (block / 4))
		{
			if (ans[arr[iter].fi.se] != -1)
			{
				iter++;
				continue;
			}
			ll bx = arr[iter].se.fi / block, by = arr[iter].se.se / block;
			for (int j = -1; j <= 1; j++)
			{
				for (int k = -1; k <= 1; k++)
				{
					vi v = stor[(((bx + j) * block) << 31) + ((by + k) * block)]; if (v.empty()) continue;
					vi res;
					for (int idx : v)
					{
						if (intersect(arr[idx], arr[iter]))
						{
							ans[arr[idx].fi.se] = arr[iter].fi.se;
						}
						else
						{
							res.PB(idx);
						}
					}
					stor[(((bx + j) * block) << 31) + ((by + k) * block)] = res;
				}
			}
			iter++;
		}
	}
	for (int i = 0; i < N; i++)
	{
		ans[i]++;
		if (i) putchar(' ');
		printi(ans[i]);
	}
	putchar('\n');
	// cerr << "time elapsed = " << (clock() / (CLOCKS_PER_SEC / 1000)) << " ms" << endl;
	return 0;
}
/*
3
43731976 204781684 256609825
24705554 727971615 76690539
190036976 276041388 165781486
*/
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 456 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 644 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 668 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 2 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 5 ms 848 KB Output is correct
20 Correct 5 ms 876 KB Output is correct
21 Correct 5 ms 1024 KB Output is correct
22 Correct 31 ms 6168 KB Output is correct
23 Correct 32 ms 6276 KB Output is correct
24 Correct 32 ms 6536 KB Output is correct
25 Correct 37 ms 6536 KB Output is correct
26 Correct 33 ms 6536 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 266 ms 15960 KB Output is correct
2 Correct 254 ms 16260 KB Output is correct
3 Correct 248 ms 16260 KB Output is correct
4 Correct 235 ms 16260 KB Output is correct
5 Correct 511 ms 16260 KB Output is correct
6 Correct 974 ms 57444 KB Output is correct
7 Correct 544 ms 57444 KB Output is correct
8 Correct 631 ms 57444 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 57444 KB Output is correct
2 Correct 687 ms 91540 KB Output is correct
3 Execution timed out 3012 ms 308772 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3047 ms 555300 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 456 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 644 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 668 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 2 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 5 ms 848 KB Output is correct
20 Correct 5 ms 876 KB Output is correct
21 Correct 5 ms 1024 KB Output is correct
22 Correct 31 ms 6168 KB Output is correct
23 Correct 32 ms 6276 KB Output is correct
24 Correct 32 ms 6536 KB Output is correct
25 Correct 37 ms 6536 KB Output is correct
26 Correct 33 ms 6536 KB Output is correct
27 Correct 9 ms 555300 KB Output is correct
28 Correct 9 ms 555300 KB Output is correct
29 Correct 11 ms 555300 KB Output is correct
30 Correct 57 ms 555300 KB Output is correct
31 Correct 58 ms 555300 KB Output is correct
32 Correct 69 ms 555300 KB Output is correct
33 Correct 80 ms 555300 KB Output is correct
34 Correct 81 ms 555300 KB Output is correct
35 Correct 86 ms 555300 KB Output is correct
36 Correct 764 ms 555300 KB Output is correct
37 Correct 878 ms 555300 KB Output is correct
38 Correct 777 ms 555300 KB Output is correct
39 Correct 324 ms 555300 KB Output is correct
40 Correct 331 ms 555300 KB Output is correct
41 Correct 342 ms 555300 KB Output is correct
42 Correct 191 ms 555300 KB Output is correct
43 Correct 789 ms 555300 KB Output is correct
44 Correct 788 ms 555300 KB Output is correct
45 Correct 753 ms 555300 KB Output is correct
46 Correct 765 ms 555300 KB Output is correct
47 Correct 769 ms 555300 KB Output is correct
48 Correct 761 ms 555300 KB Output is correct
49 Correct 777 ms 555300 KB Output is correct
50 Correct 782 ms 555300 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 456 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 644 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 668 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 2 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 5 ms 848 KB Output is correct
20 Correct 5 ms 876 KB Output is correct
21 Correct 5 ms 1024 KB Output is correct
22 Correct 31 ms 6168 KB Output is correct
23 Correct 32 ms 6276 KB Output is correct
24 Correct 32 ms 6536 KB Output is correct
25 Correct 37 ms 6536 KB Output is correct
26 Correct 33 ms 6536 KB Output is correct
27 Correct 266 ms 15960 KB Output is correct
28 Correct 254 ms 16260 KB Output is correct
29 Correct 248 ms 16260 KB Output is correct
30 Correct 235 ms 16260 KB Output is correct
31 Correct 511 ms 16260 KB Output is correct
32 Correct 974 ms 57444 KB Output is correct
33 Correct 544 ms 57444 KB Output is correct
34 Correct 631 ms 57444 KB Output is correct
35 Correct 2 ms 57444 KB Output is correct
36 Correct 687 ms 91540 KB Output is correct
37 Execution timed out 3012 ms 308772 KB Time limit exceeded
38 Halted 0 ms 0 KB -