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Submission #374895

# Submission time Handle Problem Language Result Execution time Memory
374895 2021-03-08T13:24:53 Z peijar Just Long Neckties (JOI20_ho_t1) C++17
9 / 100
 86 ms 12140 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

/*
 * Si prend plus petit : cout = 0
 * sinon cout > 0
 * Si N de chaque côté :
 * a_1 <= ... <= a_n
 * b_1 <= ... <= b_n
 * Si b_1 <= a_1 : mieux de mettre avec a_1
 * Sinon b_1 > a_1 : 
 * SI on met a_1 avec b_i, i > 1 et b_1 avec j, j > 1
 * cout : max(bi - a1, max(b1 - aj, 0))
 * S max(bi-aj, 0) = 0 : mieux echanger
 * Tri par ordre croissant !
*/

const int nbFeuilles = 1 << 17;
int curCost[2 * nbFeuilles];

void maj(int pos, int val)
{
	pos += nbFeuilles;
	curCost[pos] = val;
	while (pos > 1)
	{
		pos /= 2;
		curCost[pos] = max(curCost[2*pos], curCost[2*pos+1]);
	}
}

signed main(void)
{
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	int N;
	cin >> N;
	vector<pair<int, int>> A(N+1);
	vector<int>  B(N);
	for (int i(0); i <= N; ++i)
	{
		cin >> A[i].first;
		A[i].second = i;
	}
	for (auto &v : B) cin >> v;
	sort(A.begin(), A.end());
	sort(B.begin(), B.end());
	for (int i(0); i < N; ++i)
		curCost[i + nbFeuilles] = A[i+1].first - B[i];
	for (int i(nbFeuilles-1); i >= 1; --i)
		curCost[i] = max(curCost[2*i], curCost[2*i+1]);
	vector<int> sol(N+1);
	sol[A[0].second] = max(0LL, curCost[1]);
	for (int i(0); i < N; ++i)
	{
		maj(i, A[i].first - B[i]);
		sol[A[i+1].second] = max(0LL, curCost[1]);
	}

	for (auto v: sol)
		cout << v<< ' ';
	cout << endl;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1388 KB Output is correct
2 Correct 1 ms 1388 KB Output is correct
3 Correct 1 ms 1388 KB Output is correct
4 Correct 2 ms 1388 KB Output is correct
5 Correct 2 ms 1408 KB Output is correct
6 Correct 1 ms 1388 KB Output is correct
7 Correct 1 ms 1388 KB Output is correct
8 Correct 1 ms 1388 KB Output is correct
9 Correct 1 ms 1388 KB Output is correct
10 Correct 1 ms 1388 KB Output is correct
11 Correct 1 ms 1388 KB Output is correct
12 Correct 1 ms 1388 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1388 KB Output is correct
2 Correct 1 ms 1388 KB Output is correct
3 Correct 1 ms 1388 KB Output is correct
4 Correct 2 ms 1388 KB Output is correct
5 Correct 2 ms 1408 KB Output is correct
6 Correct 1 ms 1388 KB Output is correct
7 Correct 1 ms 1388 KB Output is correct
8 Correct 1 ms 1388 KB Output is correct
9 Correct 1 ms 1388 KB Output is correct
10 Correct 1 ms 1388 KB Output is correct
11 Correct 1 ms 1388 KB Output is correct
12 Correct 1 ms 1388 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct
14 Correct 2 ms 1408 KB Output is correct
15 Correct 2 ms 1388 KB Output is correct
16 Correct 1 ms 1408 KB Output is correct
17 Correct 2 ms 1516 KB Output is correct
18 Correct 2 ms 1388 KB Output is correct
19 Correct 2 ms 1408 KB Output is correct
20 Correct 2 ms 1388 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 2 ms 1388 KB Output is correct
23 Correct 2 ms 1388 KB Output is correct
24 Correct 2 ms 1388 KB Output is correct
25 Correct 2 ms 1516 KB Output is correct
26 Correct 2 ms 1388 KB Output is correct
27 Correct 2 ms 1388 KB Output is correct
28 Correct 2 ms 1516 KB Output is correct
29 Correct 2 ms 1388 KB Output is correct
30 Correct 2 ms 1388 KB Output is correct
31 Correct 3 ms 1516 KB Output is correct
32 Correct 2 ms 1516 KB Output is correct

Subtask #3
0 / 91.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1388 KB Output is correct
2 Correct 1 ms 1388 KB Output is correct
3 Correct 1 ms 1388 KB Output is correct
4 Correct 2 ms 1388 KB Output is correct
5 Correct 2 ms 1408 KB Output is correct
6 Correct 1 ms 1388 KB Output is correct
7 Correct 1 ms 1388 KB Output is correct
8 Correct 1 ms 1388 KB Output is correct
9 Correct 1 ms 1388 KB Output is correct
10 Correct 1 ms 1388 KB Output is correct
11 Correct 1 ms 1388 KB Output is correct
12 Correct 1 ms 1388 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct
14 Correct 2 ms 1408 KB Output is correct
15 Correct 2 ms 1388 KB Output is correct
16 Correct 1 ms 1408 KB Output is correct
17 Correct 2 ms 1516 KB Output is correct
18 Correct 2 ms 1388 KB Output is correct
19 Correct 2 ms 1408 KB Output is correct
20 Correct 2 ms 1388 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 2 ms 1388 KB Output is correct
23 Correct 2 ms 1388 KB Output is correct
24 Correct 2 ms 1388 KB Output is correct
25 Correct 2 ms 1516 KB Output is correct
26 Correct 2 ms 1388 KB Output is correct
27 Correct 2 ms 1388 KB Output is correct
28 Correct 2 ms 1516 KB Output is correct
29 Correct 2 ms 1388 KB Output is correct
30 Correct 2 ms 1388 KB Output is correct
31 Correct 3 ms 1516 KB Output is correct
32 Correct 2 ms 1516 KB Output is correct
33 Runtime error 86 ms 12140 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -