oj.uz

Submission #1069973

# Submission time Handle Problem Language Result Execution time Memory
1069973 2024-08-22T10:44:38 Z Joshua_Andersson Meetings (IOI18_meetings) C++14
19 / 100
 5500 ms 1628 KB 
#include "meetings.h"

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const ll linf = ll(1e18);

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> p2;

#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define sz(container) ((int)container.size())
#define all(x) begin(x),end(x)

#if _LOCAL
#define assert(x) if (!(x)) __debugbreak()
#endif

typedef vector<ll> vll;

struct node
{
	int best, l, r;
	int mid;
	node *lc, *rc;
};

vll h;
int n;
node* build_tree(int l, int r)
{
	return 0;
}

ll solve(int l, int r)
{
	if (l > r) return 0;
	if (r < l) return 0;
	if (l==r)
	{
		return h[l];
	}
	ll largest = 0;
	repp(i, l, r + 1) largest = max(largest, h[i]);

	ll ret = (r - l + 1) * largest;

	vll lindex;
	repp(i, l, r + 1) if (h[i] == largest) lindex.push_back(i);
	int split = lindex[sz(lindex) / 2];

	ll tot_len = r - l + 1;
	ret = min(ret, (r - (split + 1) + 2) * largest + solve(l, split-1));
	ret = min(ret, ((split - 1) - l + 2) * largest + solve(split + 1, r));

	return ret;
}

vll minimum_costs(vi H, std::vector<int> L, std::vector<int> R)
{
	h = vll(H.begin(), H.end());
	n = sz(h);
	build_tree(0, n - 1);
	int q = sz(L);
	vll ret(q);
	rep(qu, q)
	{
		int l = L[qu];
		int r = R[qu];
		ret[qu] = solve(l, r);
	}
	return ret;
}

Compilation message

meetings.cpp: In function 'll solve(int, int)':
meetings.cpp:56:5: warning: unused variable 'tot_len' [-Wunused-variable]
   56 |  ll tot_len = r - l + 1;
      |     ^~~~~~~

Subtask #1
4.0 / 4.0

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

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 301 ms 604 KB Output is correct
11 Correct 1016 ms 604 KB Output is correct
12 Correct 281 ms 604 KB Output is correct
13 Correct 963 ms 624 KB Output is correct
14 Correct 334 ms 604 KB Output is correct
15 Correct 200 ms 604 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Execution timed out 5587 ms 1628 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Execution timed out 5587 ms 1628 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 301 ms 604 KB Output is correct
11 Correct 1016 ms 604 KB Output is correct
12 Correct 281 ms 604 KB Output is correct
13 Correct 963 ms 624 KB Output is correct
14 Correct 334 ms 604 KB Output is correct
15 Correct 200 ms 604 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Execution timed out 5587 ms 1628 KB Time limit exceeded
18 Halted 0 ms 0 KB -