oj.uz

Submission #343929

# Submission time Handle Problem Language Result Execution time Memory
343929 2021-01-04T18:54:41 Z flappybird medians (balkan11_medians) C++14
85 / 100
 300 ms 12780 KB 
#include <bits/stdc++.h>
using namespace std;
#define MAX 302020
int l[MAX], r[MAX];
int tree[MAX];
int arr[MAX];
int s, d;
vector<int>ans;
set<int>S;
void update(int loc) {
	ans.push_back(loc);
	arr[loc] = 1;
	S.erase(loc);
	loc += s - 1;
	while (loc > 0) {
		tree[loc]++;
		loc /= 2;
	}
}
int sumquery(int low, int high, int loc = 1) {
	int l, r;
	int ll, rr;
	int a = (d - (int)(log2(loc)));
	l = (loc - (1 << (int)(log2(loc)))) << a;
	r = l + (1 << a) - 1;
	rr = (l + r) / 2;
	ll = rr + 1;
	l++;
	r++;
	ll++;
	rr++;
	if (l == low && r == high) return tree[loc];
	else if (rr >= high) return sumquery(low, high, loc * 2);
	else if (ll <= low) return sumquery(low, high, loc * 2 + 1);
	else return sumquery(low, rr, loc * 2) + sumquery(ll, high, loc * 2 + 1);
}
int minn() {
	return *S.begin();
}
int maxn() {
	set<int>::iterator it;
	it = S.end();
	it--;
	return *it;
}
int main(void) {
	int N;
	cin >> N;
	s = 1 << (int)ceil(log2(2 * N - 1));
	d = (int)log2(s);
	int i;
	for (i = 1; i <= 2 * N - 1; i++) S.insert(i);
	int a;
	cin >> a;
	update(a);
	for (i = 1; i <= N - 1; i++) {
		cin >> a;
		if (arr[a] == 0) update(a);
		while (sumquery(1, a) < (i + 1)) update(minn());
		while (sumquery(a, 2 * N - 1) < (i + 1)) update(maxn());
	}
	for (auto i : ans) cout << i << endl;
}

Subtask #1
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 6 ms 364 KB Output is correct
13 Correct 10 ms 492 KB Output is correct

Subtask #2
20.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 620 KB Output is correct
2 Correct 44 ms 876 KB Output is correct
3 Correct 91 ms 1408 KB Output is correct
4 Correct 191 ms 2412 KB Output is correct
5 Execution timed out 407 ms 4588 KB Time limit exceeded
6 Execution timed out 838 ms 8684 KB Time limit exceeded
7 Execution timed out 1090 ms 12780 KB Time limit exceeded