oj.uz

답안 #112051

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
112051 2019-05-17T07:36:00 Z ecasdqina 새 집 (APIO18_new_home) C++14
12 / 100
 3849 ms 50940 KB 
#include <bits/stdc++.h>
using namespace std::literals::string_literals;
using i64 = long long;
using std::cout;
using std::endl;
using std::cin;

template<typename T>
std::vector<T> make_v(size_t a){return std::vector<T>(a);}

template<typename T,typename... Ts>
auto make_v(size_t a,Ts... ts){
  return std::vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...));
}

using namespace std;
template< typename Monoid, typename OperatorMonoid = Monoid >
struct LazySegmentTree
{
  using F = function< Monoid(Monoid, Monoid) >;
  using G = function< Monoid(Monoid, OperatorMonoid) >;
  using H = function< OperatorMonoid(OperatorMonoid, OperatorMonoid) >;
  using P = function< OperatorMonoid(OperatorMonoid, int) >;

  int sz;
  vector< Monoid > data;
  vector< OperatorMonoid > lazy;
  const F f;
  const G g;
  const H h;
  const P p;
  const Monoid M1;
  const OperatorMonoid OM0;


  LazySegmentTree(int n, const F f, const G g, const H h, const P p,
                  const Monoid &M1, const OperatorMonoid OM0)
      : f(f), g(g), h(h), p(p), M1(M1), OM0(OM0)
  {
    sz = 1;
    while(sz < n) sz <<= 1;
    data.assign(2 * sz, M1);
    lazy.assign(2 * sz, OM0);
  }

  void set(int k, const Monoid &x)
  {
    data[k + sz] = x;
  }

  void build()
  {
    for(int k = sz - 1; k > 0; k--) {
      data[k] = f(data[2 * k + 0], data[2 * k + 1]);
    }
  }

  void propagate(int k, int len)
  {
    if(lazy[k] != OM0) {
      if(k < sz) {
        lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
        lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
      }
      data[k] = g(data[k], p(lazy[k], len));
      lazy[k] = OM0;
    }
  }

  Monoid update(int a, int b, const OperatorMonoid &x, int k, int l, int r)
  {
    propagate(k, r - l);
    if(r <= a || b <= l) {
      return data[k];
    } else if(a <= l && r <= b) {
      lazy[k] = h(lazy[k], x);
      propagate(k, r - l);
      return data[k];
    } else {
      return data[k] = f(update(a, b, x, 2 * k + 0, l, (l + r) >> 1),
                         update(a, b, x, 2 * k + 1, (l + r) >> 1, r));
    }
  }

  Monoid update(int a, int b, const OperatorMonoid &x)
  {
    return update(a, b, x, 1, 0, sz);
  }


  Monoid query(int a, int b, int k, int l, int r)
  {
    propagate(k, r - l);
    if(r <= a || b <= l) {
      return M1;
    } else if(a <= l && r <= b) {
      return data[k];
    } else {
      return f(query(a, b, 2 * k + 0, l, (l + r) >> 1),
               query(a, b, 2 * k + 1, (l + r) >> 1, r));
    }
  }

  Monoid query(int a, int b)
  {
    return query(a, b, 1, 0, sz);
  }

  Monoid operator[](const int &k)
  {
    return query(k, k + 1);
  }
};

int main() {
	int n, q, K; scanf("%d%d%d", &n, &K, &q);
	std::vector<int> x(n), t(n), a(n), b(n), l(q), y(q);
	for(int i = 0; i < n; i++) {
		scanf("%d%d%d%d", &x[i], &t[i], &a[i], &b[i]); t[i]--;
	}
	for(int i = 0; i < q; i++) scanf("%d%d", &l[i], &y[i]);
	
	std::function<int (std::set<std::pair<int, int>>&, int)> calcDist = [](std::set<std::pair<int, int>>& st, int t) {
		auto it = st.lower_bound(std::make_pair(t, -1));
		if(it == st.end()) it = std::prev(it);
		if(it == st.begin()) return std::abs((*it).first - t);
		return std::min(std::abs((*it).first - t),
						 std::abs((*std::prev(it)).first - t));
	};
	
	std::vector<int> ans(q, -1);
	if(n <= 400 and q <= 400) {
		for(int i = 0; i < q; i++) {
			std::vector<int> vec(K, 1 << 30);
			for(int j = 0; j < n; j++) {
				if(!(a[j] <= y[i] and y[i] <= b[j])) continue;
				vec[t[j]] = std::min(vec[t[j]], std::abs(x[j] - l[i]));
			}
			
			
			for(int j = 0; j < K; j++) {
				if(vec[j] == 1 << 30) {
					ans[i] = -1;
					break;
				}
				ans[i] = std::max(ans[i], vec[j]);
			}
		}
	} else if(K <= 400) {
		std::vector<std::pair<int, int>> A, B;
		for(int i = 0; i < n; i++) {
			A.push_back({a[i], i});
			B.push_back({b[i] + 1, i});
		}
		sort(begin(A), end(A)); sort(begin(B), end(B));
		
		std::vector<std::pair<int, int>> query;
		for(int i = 0; i < q; i++) query.push_back({y[i], i});
		sort(begin(query), end(query));
		
		int curA = 0, curB = 0;
		std::vector<std::set<std::pair<int, int>>> vec(K);
		for(auto YYS: query) {
			int L = l[YYS.second], Y = y[YYS.second];
			while(curA < A.size() and A[curA].first <= Y) {
				int p = A[curA++].second;
				vec[t[p]].insert({x[p], p});
			}
			while(curB < B.size() and B[curB].first <= Y) {
				int p = B[curB++].second;
				vec[t[p]].erase({x[p], p});
			}
			
			int ret = 0;
			for(int k = 0; k < K; k++) {
				if(vec[k].empty()) {
					ret = -1;
					break;
				}
				
				ret = std::max(ret, calcDist(vec[k], L));
			}
			ans[YYS.second] = ret;
		}
	} else {
		for(int i = 0; i < n; i++) assert(a[i] == 1 and b[i] == 1e8);
		
		std::vector<std::pair<int, std::pair<int, int>>> A;
		std::vector<std::vector<int>> vec(K);
		for(int i = 0; i < n; i++) {
			vec[t[i]].push_back(x[i]);
			A.push_back({x[i], {t[i], 1}});
		}
		for(int k = 0; k < K; k++) {
			if(vec[k].empty()) {
				while(K--) printf("-1\n");
				return 0;
			}
			sort(begin(vec[k]), end(vec[k]));
			A.push_back({(vec[k][0] + 1) >> 1, {k, 0}});
			for(int i = 0; i < vec[k].size() - 1; i++) {
				A.push_back({(vec[k][i] + vec[k][i + 1] + 1) >> 1, {k, 0}});
			}
		}
		sort(begin(A), end(A));
		
		std::vector<std::pair<int, int>> query(1, {0, 0});
		for(int i = 0; i < q; i++) query.push_back({l[i], i});
		sort(begin(query), end(query));
		
		int cur = 0;
		auto f = [](int a, int b) { return std::max(a, b); };
		auto g = [](int a, int b) { return a + b; };
		auto h = [](int a, int b) { return a + b; };
		auto p = [](int a, int b) { return a; };
		LazySegmentTree<int> X(K, f, g, h, p, 0, 0), Y(K, f, g, h, p, 0, 0);
		for(int i = 0; i < K; i++) Y.set(i, vec[i].front()); Y.build(); X.build();
		for(int i = 0; i < query.size(); i++) {
			int L = query[i].first;
			if(i) {
				X.update(0, K, query[i].first - query[i - 1].first);
				Y.update(0, K, query[i - 1].first - query[i].first);
			}
			while(cur < A.size() and A[cur].first <= L) {
				int type = A[cur].second.second, p = A[cur].second.first, x = A[cur++].first;
				
				if(type == 1) {
					X.update(p, p + 1, -X.query(p, p + 1) + (L - x));
					Y.update(p, p + 1, -Y.query(p, p + 1));
					vec[p].erase(begin(vec[p]));
				} else if(type == 0) {
					Y.update(p, p + 1, -Y.query(p, p + 1) + (vec[p].front() - L));
					X.update(p, p + 1, -X.query(p, p + 1));
				}
			}
			
			if(i) ans[query[i].second] = std::max(X.query(0, K), Y.query(0, K));
		}
	}
	for(auto v: ans) printf("%d\n", v);
	return 0;
}
/*
4 2 4
3 1 1 100000000
9 2 1 100000000
7 2 1 100000000
4 1 1 100000000
5 3
5 6
5 9
1 10
*/

Compilation message

new_home.cpp: In function 'int main()':
new_home.cpp:165:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    while(curA < A.size() and A[curA].first <= Y) {
          ~~~~~^~~~~~~~~~
new_home.cpp:169:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    while(curB < B.size() and B[curB].first <= Y) {
          ~~~~~^~~~~~~~~~
new_home.cpp:201:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int i = 0; i < vec[k].size() - 1; i++) {
                   ~~^~~~~~~~~~~~~~~~~~~
new_home.cpp:217:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(int i = 0; i < K; i++) Y.set(i, vec[i].front()); Y.build(); X.build();
   ^~~
new_home.cpp:217:56: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   for(int i = 0; i < K; i++) Y.set(i, vec[i].front()); Y.build(); X.build();
                                                        ^
new_home.cpp:218:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < query.size(); i++) {
                  ~~^~~~~~~~~~~~~~
new_home.cpp:224:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    while(cur < A.size() and A[cur].first <= L) {
          ~~~~^~~~~~~~~~
new_home.cpp:116:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n, q, K; scanf("%d%d%d", &n, &K, &q);
               ~~~~~^~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:119:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", &x[i], &t[i], &a[i], &b[i]); t[i]--;
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:121:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < q; i++) scanf("%d%d", &l[i], &y[i]);
                             ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 256 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 256 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 256 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 256 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2721 ms 6380 KB Output is correct
32 Correct 94 ms 4716 KB Output is correct
33 Correct 213 ms 4456 KB Output is correct
34 Correct 2438 ms 4692 KB Output is correct
35 Correct 1245 ms 6408 KB Output is correct
36 Correct 255 ms 6252 KB Output is correct
37 Correct 174 ms 3692 KB Output is correct
38 Correct 130 ms 3692 KB Output is correct
39 Correct 129 ms 3564 KB Output is correct
40 Correct 94 ms 3692 KB Output is correct
41 Correct 369 ms 3664 KB Output is correct
42 Correct 278 ms 3692 KB Output is correct
43 Correct 465 ms 6252 KB Output is correct
44 Correct 304 ms 3692 KB Output is correct
45 Correct 156 ms 3692 KB Output is correct
46 Correct 104 ms 3696 KB Output is correct
47 Correct 73 ms 3664 KB Output is correct
48 Correct 66 ms 3564 KB Output is correct
49 Correct 89 ms 3692 KB Output is correct
50 Correct 226 ms 3692 KB Output is correct
51 Correct 76 ms 3564 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1954 ms 26352 KB Output is correct
2 Correct 3849 ms 29684 KB Output is correct
3 Correct 2976 ms 50940 KB Output is correct
4 Correct 2127 ms 28004 KB Output is correct
5 Correct 1055 ms 29816 KB Output is correct
6 Correct 1804 ms 29736 KB Output is correct
7 Correct 2828 ms 50860 KB Output is correct
8 Incorrect 2131 ms 27660 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 214 ms 17108 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 256 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 256 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2721 ms 6380 KB Output is correct
32 Correct 94 ms 4716 KB Output is correct
33 Correct 213 ms 4456 KB Output is correct
34 Correct 2438 ms 4692 KB Output is correct
35 Correct 1245 ms 6408 KB Output is correct
36 Correct 255 ms 6252 KB Output is correct
37 Correct 174 ms 3692 KB Output is correct
38 Correct 130 ms 3692 KB Output is correct
39 Correct 129 ms 3564 KB Output is correct
40 Correct 94 ms 3692 KB Output is correct
41 Correct 369 ms 3664 KB Output is correct
42 Correct 278 ms 3692 KB Output is correct
43 Correct 465 ms 6252 KB Output is correct
44 Correct 304 ms 3692 KB Output is correct
45 Correct 156 ms 3692 KB Output is correct
46 Correct 104 ms 3696 KB Output is correct
47 Correct 73 ms 3664 KB Output is correct
48 Correct 66 ms 3564 KB Output is correct
49 Correct 89 ms 3692 KB Output is correct
50 Correct 226 ms 3692 KB Output is correct
51 Correct 76 ms 3564 KB Output is correct
52 Runtime error 55 ms 3960 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 256 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 256 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 256 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2721 ms 6380 KB Output is correct
32 Correct 94 ms 4716 KB Output is correct
33 Correct 213 ms 4456 KB Output is correct
34 Correct 2438 ms 4692 KB Output is correct
35 Correct 1245 ms 6408 KB Output is correct
36 Correct 255 ms 6252 KB Output is correct
37 Correct 174 ms 3692 KB Output is correct
38 Correct 130 ms 3692 KB Output is correct
39 Correct 129 ms 3564 KB Output is correct
40 Correct 94 ms 3692 KB Output is correct
41 Correct 369 ms 3664 KB Output is correct
42 Correct 278 ms 3692 KB Output is correct
43 Correct 465 ms 6252 KB Output is correct
44 Correct 304 ms 3692 KB Output is correct
45 Correct 156 ms 3692 KB Output is correct
46 Correct 104 ms 3696 KB Output is correct
47 Correct 73 ms 3664 KB Output is correct
48 Correct 66 ms 3564 KB Output is correct
49 Correct 89 ms 3692 KB Output is correct
50 Correct 226 ms 3692 KB Output is correct
51 Correct 76 ms 3564 KB Output is correct
52 Correct 1954 ms 26352 KB Output is correct
53 Correct 3849 ms 29684 KB Output is correct
54 Correct 2976 ms 50940 KB Output is correct
55 Correct 2127 ms 28004 KB Output is correct
56 Correct 1055 ms 29816 KB Output is correct
57 Correct 1804 ms 29736 KB Output is correct
58 Correct 2828 ms 50860 KB Output is correct
59 Incorrect 2131 ms 27660 KB Output isn't correct
60 Halted 0 ms 0 KB -