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Submission #600534

# Submission time Handle Problem Language Result Execution time Memory
600534 2022-07-21T03:16:07 Z penguinhacker Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1256 ms 93680 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=1e6;
int n, m, w[mxN], st[1<<21];
vector<ar<int, 3>> queries[mxN];
bool ans[mxN];

void upd(int i, int x, int u=1, int l=0, int r=n-1) {
	if (l==r) {
		st[u]=x;
		return;
	}
	int mid=(l+r)/2;
	i<=mid?upd(i, x, 2*u, l, mid):upd(i, x, 2*u+1, mid+1, r);
	st[u]=max(st[2*u], st[2*u+1]);
}

int qry(int ql, int qr, int u=1, int l=0, int r=n-1) {
	if (l>qr||r<ql)
		return 0;
	if (ql<=l&&r<=qr)
		return st[u];
	int mid=(l+r)/2;
	return max(qry(ql, qr, 2*u, l, mid), qry(ql, qr, 2*u+1, mid+1, r));
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m;
	for (int i=0; i<n; ++i)
		cin >> w[i];
	for (int i=0; i<m; ++i) {
		int l, r, k;
		cin >> l >> r >> k, --l, --r;
		queries[r].push_back({l, k, i});
	}
	vector<int> st;
	for (int i=0; i<n; ++i) {
		while(st.size()&&w[i]>=w[st.back()])
			st.pop_back();
		if (st.size())
			upd(st.back(), w[i]+w[st.back()]);
		for (auto [l, k, ind] : queries[i])
			ans[ind]=qry(l, i)<=k;
		st.push_back(i);
	}
	for (int i=0; i<m; ++i)
		cout << ans[i] << "\n";
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 13 ms 23816 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23712 KB Output is correct
5 Correct 12 ms 23796 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23788 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 13 ms 23816 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23712 KB Output is correct
5 Correct 12 ms 23796 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23788 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23892 KB Output is correct
12 Correct 13 ms 23892 KB Output is correct
13 Correct 14 ms 24080 KB Output is correct
14 Correct 16 ms 24148 KB Output is correct
15 Correct 16 ms 24080 KB Output is correct
16 Correct 16 ms 24020 KB Output is correct
17 Correct 16 ms 23996 KB Output is correct
18 Correct 18 ms 23960 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1216 ms 60612 KB Output is correct
2 Correct 1256 ms 93376 KB Output is correct
3 Correct 1228 ms 93396 KB Output is correct
4 Correct 1224 ms 93380 KB Output is correct
5 Correct 1041 ms 85224 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 27636 KB Output is correct
2 Correct 91 ms 29448 KB Output is correct
3 Correct 80 ms 28404 KB Output is correct
4 Correct 87 ms 28492 KB Output is correct
5 Correct 84 ms 28516 KB Output is correct
6 Correct 70 ms 28168 KB Output is correct
7 Correct 70 ms 28016 KB Output is correct
8 Correct 78 ms 28128 KB Output is correct
9 Correct 44 ms 26884 KB Output is correct
10 Correct 77 ms 28168 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 13 ms 23816 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23712 KB Output is correct
5 Correct 12 ms 23796 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23788 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23892 KB Output is correct
12 Correct 13 ms 23892 KB Output is correct
13 Correct 14 ms 24080 KB Output is correct
14 Correct 16 ms 24148 KB Output is correct
15 Correct 16 ms 24080 KB Output is correct
16 Correct 16 ms 24020 KB Output is correct
17 Correct 16 ms 23996 KB Output is correct
18 Correct 18 ms 23960 KB Output is correct
19 Correct 216 ms 38044 KB Output is correct
20 Correct 221 ms 38076 KB Output is correct
21 Correct 208 ms 37444 KB Output is correct
22 Correct 193 ms 37380 KB Output is correct
23 Correct 182 ms 37336 KB Output is correct
24 Correct 172 ms 35184 KB Output is correct
25 Correct 169 ms 35108 KB Output is correct
26 Correct 167 ms 35560 KB Output is correct
27 Correct 173 ms 35652 KB Output is correct
28 Correct 174 ms 35644 KB Output is correct
29 Correct 177 ms 35916 KB Output is correct
30 Correct 190 ms 35960 KB Output is correct
31 Correct 184 ms 35932 KB Output is correct
32 Correct 183 ms 35916 KB Output is correct
33 Correct 187 ms 35932 KB Output is correct
34 Correct 149 ms 34704 KB Output is correct
35 Correct 147 ms 34716 KB Output is correct
36 Correct 148 ms 34572 KB Output is correct
37 Correct 147 ms 34596 KB Output is correct
38 Correct 145 ms 34784 KB Output is correct
39 Correct 161 ms 34868 KB Output is correct
40 Correct 128 ms 32896 KB Output is correct
41 Correct 159 ms 33924 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 13 ms 23816 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23712 KB Output is correct
5 Correct 12 ms 23796 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23788 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23892 KB Output is correct
12 Correct 13 ms 23892 KB Output is correct
13 Correct 14 ms 24080 KB Output is correct
14 Correct 16 ms 24148 KB Output is correct
15 Correct 16 ms 24080 KB Output is correct
16 Correct 16 ms 24020 KB Output is correct
17 Correct 16 ms 23996 KB Output is correct
18 Correct 18 ms 23960 KB Output is correct
19 Correct 1216 ms 60612 KB Output is correct
20 Correct 1256 ms 93376 KB Output is correct
21 Correct 1228 ms 93396 KB Output is correct
22 Correct 1224 ms 93380 KB Output is correct
23 Correct 1041 ms 85224 KB Output is correct
24 Correct 110 ms 27636 KB Output is correct
25 Correct 91 ms 29448 KB Output is correct
26 Correct 80 ms 28404 KB Output is correct
27 Correct 87 ms 28492 KB Output is correct
28 Correct 84 ms 28516 KB Output is correct
29 Correct 70 ms 28168 KB Output is correct
30 Correct 70 ms 28016 KB Output is correct
31 Correct 78 ms 28128 KB Output is correct
32 Correct 44 ms 26884 KB Output is correct
33 Correct 77 ms 28168 KB Output is correct
34 Correct 216 ms 38044 KB Output is correct
35 Correct 221 ms 38076 KB Output is correct
36 Correct 208 ms 37444 KB Output is correct
37 Correct 193 ms 37380 KB Output is correct
38 Correct 182 ms 37336 KB Output is correct
39 Correct 172 ms 35184 KB Output is correct
40 Correct 169 ms 35108 KB Output is correct
41 Correct 167 ms 35560 KB Output is correct
42 Correct 173 ms 35652 KB Output is correct
43 Correct 174 ms 35644 KB Output is correct
44 Correct 177 ms 35916 KB Output is correct
45 Correct 190 ms 35960 KB Output is correct
46 Correct 184 ms 35932 KB Output is correct
47 Correct 183 ms 35916 KB Output is correct
48 Correct 187 ms 35932 KB Output is correct
49 Correct 149 ms 34704 KB Output is correct
50 Correct 147 ms 34716 KB Output is correct
51 Correct 148 ms 34572 KB Output is correct
52 Correct 147 ms 34596 KB Output is correct
53 Correct 145 ms 34784 KB Output is correct
54 Correct 161 ms 34868 KB Output is correct
55 Correct 128 ms 32896 KB Output is correct
56 Correct 159 ms 33924 KB Output is correct
57 Correct 1246 ms 93680 KB Output is correct
58 Correct 1211 ms 93528 KB Output is correct
59 Correct 1142 ms 92000 KB Output is correct
60 Correct 1135 ms 92044 KB Output is correct
61 Correct 1116 ms 92004 KB Output is correct
62 Correct 1159 ms 92104 KB Output is correct
63 Correct 753 ms 80780 KB Output is correct
64 Correct 760 ms 80576 KB Output is correct
65 Correct 975 ms 83744 KB Output is correct
66 Correct 1033 ms 83732 KB Output is correct
67 Correct 983 ms 83808 KB Output is correct
68 Correct 1026 ms 85452 KB Output is correct
69 Correct 1078 ms 85348 KB Output is correct
70 Correct 1025 ms 85044 KB Output is correct
71 Correct 1037 ms 85156 KB Output is correct
72 Correct 1034 ms 85300 KB Output is correct
73 Correct 692 ms 76572 KB Output is correct
74 Correct 734 ms 77548 KB Output is correct
75 Correct 700 ms 76528 KB Output is correct
76 Correct 730 ms 76904 KB Output is correct
77 Correct 702 ms 76364 KB Output is correct
78 Correct 921 ms 80304 KB Output is correct
79 Correct 673 ms 68776 KB Output is correct
80 Correct 888 ms 74776 KB Output is correct