Submission #329757

# Submission time Handle Problem Language Result Execution time Memory
329757 2020-11-22T10:51:32 Z Rainbowbunny Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
2600 ms 262144 KB
#include <bits/stdc++.h>
using namespace std;

int n, q;
int w[1000005], L[1000005], blocking[1000005];
int ST[1000005][20], up[1000005][20], val[1000005][20];

stack <pair <int, int> > S;

int Query(int l, int r)
{
	if(l > r)
	{
		return 0;
	}
	int temp = L[r - l + 1];
	return max(ST[l][temp], ST[r - (1 << temp) + 1][temp]);
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> q;
	L[0] = -1;
	for(int i = 1; i <= n; i++)
	{
		L[i] = L[i >> 1] + 1;
		cin >> w[i];
		ST[i][0] = w[i];
	}
	for(int i = 1; i < 20; i++)
	{
		for(int j = 1; j + (1 << i) <= n + 1; j++)
		{
			ST[j][i] = max(ST[j][i - 1], ST[j + (1 << (i - 1))][i - 1]);
		}
	}
	for(int i = n; i >= 1; i--)
	{
		while(S.empty() == false && S.top().first < w[i])
		{
			S.pop();
		}
		if(S.empty())
		{
			up[i][0] = n + 1;
			if(Query(i + 1, n) == 0)
			{
				val[i][0] = 0;
			}
			else
			{
				val[i][0] = Query(i + 1, n) + w[i];
			}
		}
		else
		{
			up[i][0] = S.top().second;
			if(Query(i + 1, S.top().second - 1) == 0)
			{
				val[i][0] = 0;
			}
			else
			{
				val[i][0] = Query(i + 1, S.top().second - 1) + w[i];
			}
		}
		S.push(make_pair(w[i], i));
	}
	up[n + 1][0] = n + 1;
	val[n + 1][0] = 0;
	for(int i = 1; i < 20; i++)
	{
		up[n + 1][i] = n + 1;
		
		for(int j = n; j >= 1; j--)
		{
			up[j][i] = up[up[j][i - 1]][i - 1];
			val[j][i] = max(val[j][i - 1], val[up[j][i - 1]][i - 1]);
		}
	}
	while(q--)
	{
		int l, r, x;
		cin >> l >> r >> x;
		int tmp = 0;
		for(int i = 19; i >= 0; i--)
		{
			if(up[l][i] <= r)
			{
				tmp = max(tmp, val[l][i]);
				l = up[l][i];
			}
		}
		if(Query(l + 1, r) != 0)
		{
			tmp = max(tmp, Query(l + 1, r) + w[l]);
		}
		if(tmp > x)
		{
			cout << 0 << '\n';
		}
		else
		{
			cout << 1 << '\n';
		}
	}
}
# 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 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
# 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 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 3 ms 1516 KB Output is correct
13 Correct 4 ms 1644 KB Output is correct
14 Correct 5 ms 1772 KB Output is correct
15 Correct 5 ms 1772 KB Output is correct
16 Correct 5 ms 1772 KB Output is correct
17 Correct 4 ms 1516 KB Output is correct
18 Correct 4 ms 1772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1633 ms 249928 KB Output is correct
2 Correct 1680 ms 262144 KB Output is correct
3 Correct 1649 ms 262144 KB Output is correct
4 Correct 1651 ms 262144 KB Output is correct
5 Correct 2568 ms 262144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 161 ms 24940 KB Output is correct
2 Correct 117 ms 26964 KB Output is correct
3 Correct 181 ms 27628 KB Output is correct
4 Correct 186 ms 27884 KB Output is correct
5 Correct 186 ms 27628 KB Output is correct
6 Correct 114 ms 27372 KB Output is correct
7 Correct 113 ms 27500 KB Output is correct
8 Correct 144 ms 26988 KB Output is correct
9 Correct 43 ms 2028 KB Output is correct
10 Correct 139 ms 26988 KB Output is correct
# 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 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 3 ms 1516 KB Output is correct
13 Correct 4 ms 1644 KB Output is correct
14 Correct 5 ms 1772 KB Output is correct
15 Correct 5 ms 1772 KB Output is correct
16 Correct 5 ms 1772 KB Output is correct
17 Correct 4 ms 1516 KB Output is correct
18 Correct 4 ms 1772 KB Output is correct
19 Correct 314 ms 56028 KB Output is correct
20 Correct 303 ms 55916 KB Output is correct
21 Correct 267 ms 55916 KB Output is correct
22 Correct 268 ms 55788 KB Output is correct
23 Correct 264 ms 55788 KB Output is correct
24 Correct 351 ms 57324 KB Output is correct
25 Correct 344 ms 57452 KB Output is correct
26 Correct 403 ms 57580 KB Output is correct
27 Correct 413 ms 57580 KB Output is correct
28 Correct 440 ms 57580 KB Output is correct
29 Correct 427 ms 57580 KB Output is correct
30 Correct 431 ms 57708 KB Output is correct
31 Correct 435 ms 57708 KB Output is correct
32 Correct 436 ms 57580 KB Output is correct
33 Correct 441 ms 57708 KB Output is correct
34 Correct 262 ms 57196 KB Output is correct
35 Correct 305 ms 57196 KB Output is correct
36 Correct 250 ms 57012 KB Output is correct
37 Correct 254 ms 56940 KB Output is correct
38 Correct 265 ms 57196 KB Output is correct
39 Correct 370 ms 55660 KB Output is correct
40 Correct 279 ms 38080 KB Output is correct
41 Correct 320 ms 54692 KB Output is correct
# 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 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 3 ms 1516 KB Output is correct
13 Correct 4 ms 1644 KB Output is correct
14 Correct 5 ms 1772 KB Output is correct
15 Correct 5 ms 1772 KB Output is correct
16 Correct 5 ms 1772 KB Output is correct
17 Correct 4 ms 1516 KB Output is correct
18 Correct 4 ms 1772 KB Output is correct
19 Correct 1633 ms 249928 KB Output is correct
20 Correct 1680 ms 262144 KB Output is correct
21 Correct 1649 ms 262144 KB Output is correct
22 Correct 1651 ms 262144 KB Output is correct
23 Correct 2568 ms 262144 KB Output is correct
24 Correct 161 ms 24940 KB Output is correct
25 Correct 117 ms 26964 KB Output is correct
26 Correct 181 ms 27628 KB Output is correct
27 Correct 186 ms 27884 KB Output is correct
28 Correct 186 ms 27628 KB Output is correct
29 Correct 114 ms 27372 KB Output is correct
30 Correct 113 ms 27500 KB Output is correct
31 Correct 144 ms 26988 KB Output is correct
32 Correct 43 ms 2028 KB Output is correct
33 Correct 139 ms 26988 KB Output is correct
34 Correct 314 ms 56028 KB Output is correct
35 Correct 303 ms 55916 KB Output is correct
36 Correct 267 ms 55916 KB Output is correct
37 Correct 268 ms 55788 KB Output is correct
38 Correct 264 ms 55788 KB Output is correct
39 Correct 351 ms 57324 KB Output is correct
40 Correct 344 ms 57452 KB Output is correct
41 Correct 403 ms 57580 KB Output is correct
42 Correct 413 ms 57580 KB Output is correct
43 Correct 440 ms 57580 KB Output is correct
44 Correct 427 ms 57580 KB Output is correct
45 Correct 431 ms 57708 KB Output is correct
46 Correct 435 ms 57708 KB Output is correct
47 Correct 436 ms 57580 KB Output is correct
48 Correct 441 ms 57708 KB Output is correct
49 Correct 262 ms 57196 KB Output is correct
50 Correct 305 ms 57196 KB Output is correct
51 Correct 250 ms 57012 KB Output is correct
52 Correct 254 ms 56940 KB Output is correct
53 Correct 265 ms 57196 KB Output is correct
54 Correct 370 ms 55660 KB Output is correct
55 Correct 279 ms 38080 KB Output is correct
56 Correct 320 ms 54692 KB Output is correct
57 Correct 1695 ms 262144 KB Output is correct
58 Correct 1689 ms 262144 KB Output is correct
59 Correct 1639 ms 262144 KB Output is correct
60 Correct 1642 ms 262144 KB Output is correct
61 Correct 1644 ms 262144 KB Output is correct
62 Correct 1630 ms 262144 KB Output is correct
63 Correct 1913 ms 262144 KB Output is correct
64 Correct 1927 ms 262144 KB Output is correct
65 Correct 2543 ms 262144 KB Output is correct
66 Correct 2565 ms 262144 KB Output is correct
67 Correct 2600 ms 262144 KB Output is correct
68 Correct 2520 ms 262144 KB Output is correct
69 Correct 2527 ms 262144 KB Output is correct
70 Correct 2572 ms 262144 KB Output is correct
71 Correct 2570 ms 262144 KB Output is correct
72 Correct 2580 ms 262144 KB Output is correct
73 Correct 1414 ms 262144 KB Output is correct
74 Correct 1456 ms 262144 KB Output is correct
75 Correct 1407 ms 262144 KB Output is correct
76 Correct 1400 ms 262144 KB Output is correct
77 Correct 1447 ms 262144 KB Output is correct
78 Correct 2144 ms 262144 KB Output is correct
79 Correct 1413 ms 155628 KB Output is correct
80 Correct 1859 ms 262144 KB Output is correct