oj.uz

Submission #961603

# Submission time Handle Problem Language Result Execution time Memory
961603 2024-04-12T08:46:16 Z vjudge1 Safety (NOI18_safety) C++17
100 / 100
 156 ms 21088 KB 
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #include <x86intrin.h>

#include <bits/stdc++.h>
#include <chrono>
#include <random>

// @author: Vlapos

namespace operators
{
	template <typename T1, typename T2>
	std::istream &operator>>(std::istream &in, std::pair<T1, T2> &x)
	{
		in >> x.first >> x.second;
		return in;
	}

	template <typename T1, typename T2>
	std::ostream &operator<<(std::ostream &out, std::pair<T1, T2> x)
	{
		out << x.first << " " << x.second;
		return out;
	}

	template <typename T1>
	std::istream &operator>>(std::istream &in, std::vector<T1> &x)
	{
		for (auto &i : x)
			in >> i;
		return in;
	}

	template <typename T1>
	std::ostream &operator<<(std::ostream &out, std::vector<T1> &x)
	{
		for (auto &i : x)
			out << i << " ";
		return out;
	}

	template <typename T1>
	std::ostream &operator<<(std::ostream &out, std::set<T1> &x)
	{
		for (auto &i : x)
			out << i << " ";
		return out;
	}

	template <typename T1>
	std::ostream &operator<<(std::ostream &out, std::multiset<T1> &x)
	{
		for (auto &i : x)
			out << i << " ";
		return out;
	}
}

// name spaces
using namespace std;
using namespace operators;
// end of name spaces

// defines
#define ll long long
#define ull unsigned long long
#define pb push_back
#define mp make_pair
#define pii pair<int, int>
#define pll pair<ll, ll>
#define f first
#define s second
#define uint unsigned int
#define all(vc) vc.begin(), vc.end()
// end of defines

// usefull stuff

void boost()
{
	ios_base ::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
}

inline int getbit(int &x, int &bt) { return (x >> bt) & 1; }

const int dx4[4] = {-1, 0, 0, 1};
const int dy4[4] = {0, -1, 1, 0};
const int dx8[8] = {-1, -1, -1, 0, 0, 1, 1, 1};
const int dy8[8] = {-1, -0, 1, -1, 1, -1, 0, 1};

const ll INF = 2e18;
const int BIG = (1e9) * 2 + 100;
const int MAXN = (1e5) + 5;
const int MOD7 = (1e9) + 7;
const int MOD9 = (1e9) + 9;
const uint MODFFT = 998244353;

#define int ll

struct test
{
	multiset<int> decslp, incslp;
	int slp0 = 0, dpmn = 0, pmn = 0;
	int mvm = 0;

	void addSlope(int x)
	{
		assert(x >= -mvm);
		dpmn += abs(pmn - x);
		if (incslp.size() and (*incslp.begin()) + mvm <= x)
		{
			incslp.insert(x - mvm);
			incslp.insert(x - mvm);
		}
		else
		{
			decslp.insert(x + mvm);
			decslp.insert(x + mvm);
		}

		if (decslp.size() > -slp0)
		{
			auto cur = *decslp.rbegin() - mvm;
			decslp.erase(prev(decslp.end()));
			incslp.insert(cur - mvm);
		}
		if (decslp.size() < -slp0)
		{
			auto cur = *incslp.begin() + mvm;
			incslp.erase(incslp.begin());
			decslp.insert(cur + mvm);
		}

		int topm = *decslp.rbegin() - mvm;
		// cout << dpmn << " " << pmn << " " << topm << ": ";
		dpmn -= max(topm - pmn, 0LL);
		pmn = topm;
	}

	void solve(int testcase)
	{
		boost();
		int n, h;
		cin >> n >> h;

		for (int i = 0; i < n; ++i)
		{
			int x;
			cin >> x;
			slp0--;
			mvm += h;
			pmn -= h;
			addSlope(x);
		}

		cout << dpmn << "\n";
	}
};

main()
{
	boost();
	int q = 1;
	// cin >> q;
	for (int i = 0; i < q; i++)
	{
		test t;
		t.solve(i);
	}
	return 0;
}
//[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]//
//                                                                                    //
//                               Coded by Der_Vlἀpos                                  //
//                                                                                    //
//[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]//

Compilation message

safety.cpp: In member function 'void test::addSlope(long long int)':
safety.cpp:124:21: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
  124 |   if (decslp.size() > -slp0)
      |       ~~~~~~~~~~~~~~^~~~~~~
safety.cpp:130:21: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
  130 |   if (decslp.size() < -slp0)
      |       ~~~~~~~~~~~~~~^~~~~~~
safety.cpp: At global scope:
safety.cpp:163:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  163 | main()
      | ^~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 12696 KB Output is correct
2 Correct 127 ms 19716 KB Output is correct
3 Correct 156 ms 20480 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 456 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 456 KB Output is correct
27 Correct 1 ms 344 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 456 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 456 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 2 ms 860 KB Output is correct
29 Correct 2 ms 860 KB Output is correct
30 Correct 2 ms 832 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 2 ms 860 KB Output is correct
33 Correct 2 ms 860 KB Output is correct
34 Correct 2 ms 848 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 456 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 456 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 456 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 2 ms 860 KB Output is correct
35 Correct 2 ms 860 KB Output is correct
36 Correct 2 ms 832 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 2 ms 860 KB Output is correct
40 Correct 2 ms 848 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 860 KB Output is correct
44 Correct 2 ms 860 KB Output is correct
45 Correct 2 ms 860 KB Output is correct
46 Correct 2 ms 856 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 456 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 81 ms 12696 KB Output is correct
20 Correct 127 ms 19716 KB Output is correct
21 Correct 156 ms 20480 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 456 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 456 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 456 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 2 ms 860 KB Output is correct
38 Correct 2 ms 860 KB Output is correct
39 Correct 2 ms 832 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 2 ms 860 KB Output is correct
43 Correct 2 ms 848 KB Output is correct
44 Correct 3 ms 860 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 860 KB Output is correct
47 Correct 2 ms 860 KB Output is correct
48 Correct 2 ms 860 KB Output is correct
49 Correct 2 ms 856 KB Output is correct
50 Correct 139 ms 21088 KB Output is correct
51 Correct 102 ms 17328 KB Output is correct
52 Correct 92 ms 16876 KB Output is correct
53 Correct 104 ms 19452 KB Output is correct
54 Correct 82 ms 20216 KB Output is correct
55 Correct 89 ms 17084 KB Output is correct
56 Correct 100 ms 18768 KB Output is correct
57 Correct 92 ms 17228 KB Output is correct
58 Correct 76 ms 14416 KB Output is correct
59 Correct 99 ms 19092 KB Output is correct