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Submission #500525

# Submission time Handle Problem Language Result Execution time Memory
500525 2021-12-31T09:46:32 Z sireanu_vlad Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 2484 ms 97548 KB 
#include <iostream>
#include <vector>
#include <stack>
using namespace std;

int n, m, w[1000001], a[5000001], l[1000001], pos, val, x, y;
bool f[1000001];

struct Query { int id, l, k; };
vector<Query> q[1000001];

stack<int> s;

void update(int nod, int l, int r)
{
	if(l == r) a[nod] = max(a[nod], val);
	else
	{
		int m = (l + r)/2;
		if(pos <= m) update(2*nod, l, m);
		else update(2*nod+1, m+1, r);
		a[nod] = max(a[2*nod], a[2*nod+1]);
	}
}

void read()
{
	cin >> n >> m;
	for(int i = 1; i <= n; ++i)
		cin >> w[i];
	for(int i = 1, r, l, k; i <= m; ++i)
	{
		cin >> l >> r >> k;
		q[r].push_back({i, l, k});
	}
}

int query(int nod, int l, int r)
{
	if(x <= l && r <= y) return a[nod];
	int m = (l + r)/2, rez = 0;
	if(x <= m) rez = max(rez, query(2*nod, l, m));
	if(m < y) rez = max(rez, query(2*nod+1, m+1, r));
	return rez;
}

void config()
{
	for(int i = 1; i <= n; ++i)
	{
		l[i] = i;
		for(;!s.empty() && w[i] >= w[s.top()];s.pop())
			l[i] = l[s.top()];
		s.push(i);
	}
}

void afis()
{
	for(int i = 1; i <= m; ++i)
		cout << f[i] << '\n';
}

void solve()
{
	for(int i = 1; i <= n; ++i)
	{
		if(l[i] > 1)
		{
			pos = l[i] - 1;
			val = w[i] + w[pos];
			update(1, 1, n);
		}
		for(auto j : q[i])
		{
			x = j.l, y = i;
			f[j.id] = (j.k >= query(1, 1, n));
		}
	}
}

int main()
{
	read();
	config();
	solve();
	afis();
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23740 KB Output is correct
3 Correct 12 ms 23756 KB Output is correct
4 Correct 12 ms 23752 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 17 ms 23780 KB Output is correct
8 Correct 12 ms 23756 KB Output is correct
9 Correct 17 ms 23776 KB Output is correct
10 Correct 12 ms 23756 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23740 KB Output is correct
3 Correct 12 ms 23756 KB Output is correct
4 Correct 12 ms 23752 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 17 ms 23780 KB Output is correct
8 Correct 12 ms 23756 KB Output is correct
9 Correct 17 ms 23776 KB Output is correct
10 Correct 12 ms 23756 KB Output is correct
11 Correct 16 ms 23884 KB Output is correct
12 Correct 18 ms 23896 KB Output is correct
13 Correct 17 ms 23884 KB Output is correct
14 Correct 19 ms 24000 KB Output is correct
15 Correct 20 ms 23996 KB Output is correct
16 Correct 21 ms 23884 KB Output is correct
17 Correct 17 ms 23908 KB Output is correct
18 Correct 20 ms 23992 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2208 ms 67488 KB Output is correct
2 Correct 2261 ms 73064 KB Output is correct
3 Correct 2197 ms 72852 KB Output is correct
4 Correct 2235 ms 72932 KB Output is correct
5 Correct 1984 ms 68768 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 27920 KB Output is correct
2 Correct 153 ms 27784 KB Output is correct
3 Correct 141 ms 26864 KB Output is correct
4 Correct 144 ms 26948 KB Output is correct
5 Correct 143 ms 26948 KB Output is correct
6 Correct 131 ms 26716 KB Output is correct
7 Correct 137 ms 26484 KB Output is correct
8 Correct 129 ms 26776 KB Output is correct
9 Correct 90 ms 25560 KB Output is correct
10 Correct 134 ms 27180 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23740 KB Output is correct
3 Correct 12 ms 23756 KB Output is correct
4 Correct 12 ms 23752 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 17 ms 23780 KB Output is correct
8 Correct 12 ms 23756 KB Output is correct
9 Correct 17 ms 23776 KB Output is correct
10 Correct 12 ms 23756 KB Output is correct
11 Correct 16 ms 23884 KB Output is correct
12 Correct 18 ms 23896 KB Output is correct
13 Correct 17 ms 23884 KB Output is correct
14 Correct 19 ms 24000 KB Output is correct
15 Correct 20 ms 23996 KB Output is correct
16 Correct 21 ms 23884 KB Output is correct
17 Correct 17 ms 23908 KB Output is correct
18 Correct 20 ms 23992 KB Output is correct
19 Correct 379 ms 32204 KB Output is correct
20 Correct 518 ms 32208 KB Output is correct
21 Correct 416 ms 38244 KB Output is correct
22 Correct 354 ms 38168 KB Output is correct
23 Correct 379 ms 38120 KB Output is correct
24 Correct 421 ms 35928 KB Output is correct
25 Correct 372 ms 35888 KB Output is correct
26 Correct 402 ms 36208 KB Output is correct
27 Correct 355 ms 36212 KB Output is correct
28 Correct 383 ms 36460 KB Output is correct
29 Correct 355 ms 36768 KB Output is correct
30 Correct 412 ms 36788 KB Output is correct
31 Correct 449 ms 36732 KB Output is correct
32 Correct 408 ms 36704 KB Output is correct
33 Correct 464 ms 36728 KB Output is correct
34 Correct 319 ms 35460 KB Output is correct
35 Correct 386 ms 35540 KB Output is correct
36 Correct 405 ms 35256 KB Output is correct
37 Correct 386 ms 35328 KB Output is correct
38 Correct 357 ms 35568 KB Output is correct
39 Correct 351 ms 35628 KB Output is correct
40 Correct 320 ms 33472 KB Output is correct
41 Correct 298 ms 34552 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23740 KB Output is correct
3 Correct 12 ms 23756 KB Output is correct
4 Correct 12 ms 23752 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 17 ms 23780 KB Output is correct
8 Correct 12 ms 23756 KB Output is correct
9 Correct 17 ms 23776 KB Output is correct
10 Correct 12 ms 23756 KB Output is correct
11 Correct 16 ms 23884 KB Output is correct
12 Correct 18 ms 23896 KB Output is correct
13 Correct 17 ms 23884 KB Output is correct
14 Correct 19 ms 24000 KB Output is correct
15 Correct 20 ms 23996 KB Output is correct
16 Correct 21 ms 23884 KB Output is correct
17 Correct 17 ms 23908 KB Output is correct
18 Correct 20 ms 23992 KB Output is correct
19 Correct 2208 ms 67488 KB Output is correct
20 Correct 2261 ms 73064 KB Output is correct
21 Correct 2197 ms 72852 KB Output is correct
22 Correct 2235 ms 72932 KB Output is correct
23 Correct 1984 ms 68768 KB Output is correct
24 Correct 152 ms 27920 KB Output is correct
25 Correct 153 ms 27784 KB Output is correct
26 Correct 141 ms 26864 KB Output is correct
27 Correct 144 ms 26948 KB Output is correct
28 Correct 143 ms 26948 KB Output is correct
29 Correct 131 ms 26716 KB Output is correct
30 Correct 137 ms 26484 KB Output is correct
31 Correct 129 ms 26776 KB Output is correct
32 Correct 90 ms 25560 KB Output is correct
33 Correct 134 ms 27180 KB Output is correct
34 Correct 379 ms 32204 KB Output is correct
35 Correct 518 ms 32208 KB Output is correct
36 Correct 416 ms 38244 KB Output is correct
37 Correct 354 ms 38168 KB Output is correct
38 Correct 379 ms 38120 KB Output is correct
39 Correct 421 ms 35928 KB Output is correct
40 Correct 372 ms 35888 KB Output is correct
41 Correct 402 ms 36208 KB Output is correct
42 Correct 355 ms 36212 KB Output is correct
43 Correct 383 ms 36460 KB Output is correct
44 Correct 355 ms 36768 KB Output is correct
45 Correct 412 ms 36788 KB Output is correct
46 Correct 449 ms 36732 KB Output is correct
47 Correct 408 ms 36704 KB Output is correct
48 Correct 464 ms 36728 KB Output is correct
49 Correct 319 ms 35460 KB Output is correct
50 Correct 386 ms 35540 KB Output is correct
51 Correct 405 ms 35256 KB Output is correct
52 Correct 386 ms 35328 KB Output is correct
53 Correct 357 ms 35568 KB Output is correct
54 Correct 351 ms 35628 KB Output is correct
55 Correct 320 ms 33472 KB Output is correct
56 Correct 298 ms 34552 KB Output is correct
57 Correct 2365 ms 97512 KB Output is correct
58 Correct 2484 ms 97548 KB Output is correct
59 Correct 2199 ms 95940 KB Output is correct
60 Correct 2300 ms 95940 KB Output is correct
61 Correct 2448 ms 95888 KB Output is correct
62 Correct 2178 ms 95840 KB Output is correct
63 Correct 1737 ms 84552 KB Output is correct
64 Correct 1807 ms 84480 KB Output is correct
65 Correct 2111 ms 87652 KB Output is correct
66 Correct 2003 ms 87608 KB Output is correct
67 Correct 2041 ms 87724 KB Output is correct
68 Correct 2077 ms 89344 KB Output is correct
69 Correct 2141 ms 89336 KB Output is correct
70 Correct 2174 ms 88936 KB Output is correct
71 Correct 2240 ms 88936 KB Output is correct
72 Correct 2121 ms 88952 KB Output is correct
73 Correct 1738 ms 80460 KB Output is correct
74 Correct 1694 ms 81548 KB Output is correct
75 Correct 1546 ms 80712 KB Output is correct
76 Correct 1519 ms 80696 KB Output is correct
77 Correct 1518 ms 80556 KB Output is correct
78 Correct 1662 ms 84184 KB Output is correct
79 Correct 1339 ms 70736 KB Output is correct
80 Correct 1566 ms 78724 KB Output is correct