oj.uz

Submission #372804

# Submission time Handle Problem Language Result Execution time Memory
372804 2021-03-01T19:31:56 Z Return_0 Park (BOI16_park) C++17
100 / 100
 396 ms 55024 KB 
#pragma GCC optimize("Ofast,unroll-loops")
// #pragma comment(linker, "/stack:200000000")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pll;

#ifdef SINA
#define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << std::endl; }
template <typename Arg1, typename... Args> void __f (const char* names, Arg1&& arg1, Args&&... args) {
	const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); }
#define dbg2(x, j, n) cout<< #x << " : "; output((j), (n), x, 1); cout.flush();
#else
#define dbg(...) 0
#define dbg2(x, j, n) 0
#endif
#define SZ(x) ((ll)((x).size()))
#define File(s, t) freopen(s ".txt", "r", stdin); freopen(t ".txt", "w", stdout);
#define input(j, n, a) for (int _i = (j); _i < (n)+(j); _i++) cin>> a[_i];
#define output(j, n, a, t) for (int _i = (j); _i < (n)+(j); _i++) cout<< a[_i] << (((t) && _i != (n)+(j)-1)? ' ' : '\n');
#define kill(x) return cout<< (x) << endl, 0
#define cl const ll
#define fr first
#define sc second
#define lc (v << 1)
#define rc (lc | 1)
#define mid ((l + r) >> 1)
#define All(x) (x).begin(), (x).end()

cl inf = sizeof(ll) == 4 ? (1e9 + 10) : (3e18), mod = 1e9 + 7, MOD = 998244353;

template <class A,class B> ostream& operator << (ostream& out,const pair<A,B>&a){return out<<'('<<a.first<<", "<<a.second<<')';}
template <class A> ostream& operator << (ostream& out, const vector<A> &a) {
	out<< '['; for (int i = -1; ++i < int(a.size());) out<< a[i] << (i + 1 < int(a.size()) ? ", " : ""); return out<<']'; }
template <class T, typename _t = less <T> > using Tree = tree <T, null_type, _t, rb_tree_tag, tree_order_statistics_node_update>;

#define sqr(x) ((x) * (x))

cl N = 2e3 + 7, M = 1e5 + 7;

ll x [N], y [N], r [N], par [N], n, q, w, h, lst;
vector <pair <double, pll>> vec, qu;
bool ans [M][5];

inline double dist (cl &v, cl &u) { return sqrt(sqr(abs(x[v] - x[u])) + sqr(abs(y[v] - y[u]))) - r[v] - r[u]; }

ll root (cl &v) {
	if (par[v] == v) return v;
	return par[v] = root(par[v]);
}

inline void unite (cl &v, cl &u) { par[root(u)] = root(v); }

#define ch12 (root(2001) != root(2002) && root(2001) != root(2003) && root(2001) != root(2004))
#define ch13 (root(2001) != root(2004) && root(2001) != root(2003) && root(2002) != root(2004) && root(2002) != root(2003))
#define ch14 (root(2004) != root(2001) && root(2004) != root(2002) && root(2004) != root(2003))
#define ch23 (root(2002) != root(2001) && root(2002) != root(2003) && root(2002) != root(2004))
#define ch24 (root(2001) != root(2002) && root(2001) != root(2003) && root(2002) != root(2004) && root(2003) != root(2004))
#define ch34 (root(2003) != root(2001) && root(2003) != root(2002) && root(2003) != root(2004))

int main ()
{
	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	iota(par, par + N, 0);

	cin>> n >> q >> w >> h;
	for (ll i = 1; i <= n; i++) {
		cin>> x[i] >> y[i] >> r[i];
		for (ll j = 1; j < i; j++) vec.push_back({dist(i, j), {i, j}});
		vec.push_back({y[i] - r[i], {2001, i}});
		vec.push_back({w - x[i] - r[i], {2002, i}});
		vec.push_back({h - y[i] - r[i], {2003, i}});
		vec.push_back({x[i] - r[i], {2004, i}});
	}

	for (ll i = 0, R, in; i < q; i++) {
		cin>> R >> in;
		qu.push_back({R + R, {in, i}});
	}

	sort(All(vec)); sort(All(qu));
	
	for (auto &t : qu) {
		for (;lst < SZ(vec) && vec[lst].fr < t.fr; lst++) unite(vec[lst].sc.fr, vec[lst].sc.sc);
		auto [pos, id] = t.sc;
		ans[id][pos] = 1;
		if (pos == 1) {
			if (ch12) ans[id][2] = 1;
			if (ch13) ans[id][3] = 1;
			if (ch14) ans[id][4] = 1;
		} else if (pos == 2) {
			if (ch12) ans[id][1] = 1;
			if (ch23) ans[id][3] = 1;
			if (ch24) ans[id][4] = 1;
		} else if (pos == 3) {
			if (ch13) ans[id][1] = 1;
			if (ch23) ans[id][2] = 1;
			if (ch34) ans[id][4] = 1;
		} else {
			if (ch14) ans[id][1] = 1;
			if (ch24) ans[id][2] = 1;
			if (ch34) ans[id][3] = 1;
		}
	}

	for (ll i = 0; i < q; i++) {
		if (ans[i][1]) cout<< 1;
		if (ans[i][2]) cout<< 2;
		if (ans[i][3]) cout<< 3;
		if (ans[i][4]) cout<< 4;
		cout<< '\n';
	}

	cerr<< "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";

	return 0;
}
/*
5 3
16 11
11 8 1
6 10 1
7 3 2
10 4 1
15 5 1
1 1
2 2
2 1

*/

Subtask #1
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 343 ms 49852 KB Output is correct
2 Correct 341 ms 49852 KB Output is correct
3 Correct 357 ms 49828 KB Output is correct
4 Correct 340 ms 49828 KB Output is correct
5 Correct 338 ms 49828 KB Output is correct
6 Correct 342 ms 49828 KB Output is correct
7 Correct 326 ms 49852 KB Output is correct
8 Correct 314 ms 49852 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 5212 KB Output is correct
2 Correct 55 ms 5212 KB Output is correct
3 Correct 56 ms 5212 KB Output is correct
4 Correct 55 ms 5212 KB Output is correct
5 Correct 56 ms 5212 KB Output is correct
6 Correct 57 ms 5340 KB Output is correct
7 Correct 53 ms 4832 KB Output is correct
8 Correct 50 ms 4832 KB Output is correct

Subtask #3
42.0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 343 ms 49852 KB Output is correct
2 Correct 341 ms 49852 KB Output is correct
3 Correct 357 ms 49828 KB Output is correct
4 Correct 340 ms 49828 KB Output is correct
5 Correct 338 ms 49828 KB Output is correct
6 Correct 342 ms 49828 KB Output is correct
7 Correct 326 ms 49852 KB Output is correct
8 Correct 314 ms 49852 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 57 ms 5212 KB Output is correct
12 Correct 55 ms 5212 KB Output is correct
13 Correct 56 ms 5212 KB Output is correct
14 Correct 55 ms 5212 KB Output is correct
15 Correct 56 ms 5212 KB Output is correct
16 Correct 57 ms 5340 KB Output is correct
17 Correct 53 ms 4832 KB Output is correct
18 Correct 50 ms 4832 KB Output is correct
19 Correct 393 ms 55024 KB Output is correct
20 Correct 389 ms 54896 KB Output is correct
21 Correct 396 ms 54972 KB Output is correct
22 Correct 386 ms 54896 KB Output is correct
23 Correct 395 ms 54896 KB Output is correct
24 Correct 387 ms 54896 KB Output is correct