oj.uz

Submission #345537

# Submission time Handle Problem Language Result Execution time Memory
345537 2021-01-07T14:39:42 Z darkxeon Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1173 ms 82916 KB 
#include <bits/stdc++.h>
#define sz(x) (long long)(x).size()
 
using namespace std;
 
//mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
 
const int N = 1e5 + 5, M = 1e6 + 7, SM = 1e3 + 5, logN = 20;
const long long MOD = 1e9 + 7, INF = 1e18 + 9;
const int dx[] = {1, 0, 0, -1, -1, 1, -1, 1};
const int dy[] = {0, 1, -1, 0, -1, 1, 1, -1};
 
void debug() {
	cerr << "\n";
}
template<typename Head, typename... Tail>
void debug(Head a, Tail... b) {
	cerr << a << " ";
	debug(b...);
}

struct Query {
	long long l, k, i;
};

vector<Query> q[M];

long long n, m, a[M], t[M], ans[M];

void update(long long i, long long x) {
	i = n - i + 1;
	for(; i <= n; i += i & -i) {
		t[i] = max(t[i], x);
	}
}

long long getMax(long long l) {
	l = n - l + 1;
	long long res = 0;
	for(; l >= 1; l -= l & -l) {
		res = max(res, t[l]);
	}
	return res;
}

int main() {
	//freopen(".in", "r", stdin);
	//freopen(".out", "w", stdout);
	ios_base::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	
	cin >> n >> m;
	
	for(long long i = 1; i <= n; i++) {
		cin >> a[i];
	}
		
	for(long long i = 1; i <= m; i++) {
		long long l, r, k; cin >> l >> r >> k;
		q[r].push_back({l, k, i});
	}	
	
	stack<long long> s;
	for(long long r = 1; r <= n; r++) {
		while(!s.empty() && a[r] >= a[s.top()]) {
			s.pop();
		}
		if(!s.empty()) {
			update(s.top(), a[r] + a[s.top()]);
		}
		s.push(r);
		for(auto [l, k, i] : q[r]) {
			ans[i] = (getMax(l) <= k);
		}
	}
	
	for(long long i = 1; i <= m; i++) {
		cout << ans[i] << "\n";
	}
	
	cout << endl;
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23936 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 18 ms 23788 KB Output is correct
6 Correct 17 ms 23916 KB Output is correct
7 Correct 20 ms 23916 KB Output is correct
8 Correct 17 ms 23916 KB Output is correct
9 Correct 18 ms 23916 KB Output is correct
10 Correct 19 ms 23916 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23936 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 18 ms 23788 KB Output is correct
6 Correct 17 ms 23916 KB Output is correct
7 Correct 20 ms 23916 KB Output is correct
8 Correct 17 ms 23916 KB Output is correct
9 Correct 18 ms 23916 KB Output is correct
10 Correct 19 ms 23916 KB Output is correct
11 Correct 20 ms 24044 KB Output is correct
12 Correct 22 ms 24044 KB Output is correct
13 Correct 17 ms 24044 KB Output is correct
14 Correct 21 ms 24172 KB Output is correct
15 Correct 19 ms 24172 KB Output is correct
16 Correct 20 ms 24172 KB Output is correct
17 Correct 19 ms 24172 KB Output is correct
18 Correct 24 ms 24048 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1173 ms 81808 KB Output is correct
2 Correct 1165 ms 82140 KB Output is correct
3 Correct 1146 ms 82028 KB Output is correct
4 Correct 1083 ms 82028 KB Output is correct
5 Correct 1029 ms 74328 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 29664 KB Output is correct
2 Correct 83 ms 29932 KB Output is correct
3 Correct 77 ms 28908 KB Output is correct
4 Correct 98 ms 28908 KB Output is correct
5 Correct 81 ms 28908 KB Output is correct
6 Correct 81 ms 29036 KB Output is correct
7 Correct 70 ms 29036 KB Output is correct
8 Correct 85 ms 28576 KB Output is correct
9 Correct 57 ms 27808 KB Output is correct
10 Correct 82 ms 28576 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23936 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 18 ms 23788 KB Output is correct
6 Correct 17 ms 23916 KB Output is correct
7 Correct 20 ms 23916 KB Output is correct
8 Correct 17 ms 23916 KB Output is correct
9 Correct 18 ms 23916 KB Output is correct
10 Correct 19 ms 23916 KB Output is correct
11 Correct 20 ms 24044 KB Output is correct
12 Correct 22 ms 24044 KB Output is correct
13 Correct 17 ms 24044 KB Output is correct
14 Correct 21 ms 24172 KB Output is correct
15 Correct 19 ms 24172 KB Output is correct
16 Correct 20 ms 24172 KB Output is correct
17 Correct 19 ms 24172 KB Output is correct
18 Correct 24 ms 24048 KB Output is correct
19 Correct 208 ms 35564 KB Output is correct
20 Correct 226 ms 35436 KB Output is correct
21 Correct 185 ms 36076 KB Output is correct
22 Correct 177 ms 36132 KB Output is correct
23 Correct 180 ms 36088 KB Output is correct
24 Correct 159 ms 34648 KB Output is correct
25 Correct 152 ms 34680 KB Output is correct
26 Correct 192 ms 34232 KB Output is correct
27 Correct 247 ms 34216 KB Output is correct
28 Correct 181 ms 34156 KB Output is correct
29 Correct 201 ms 33924 KB Output is correct
30 Correct 210 ms 33988 KB Output is correct
31 Correct 186 ms 33988 KB Output is correct
32 Correct 184 ms 33900 KB Output is correct
33 Correct 196 ms 34028 KB Output is correct
34 Correct 140 ms 34036 KB Output is correct
35 Correct 154 ms 34156 KB Output is correct
36 Correct 139 ms 34028 KB Output is correct
37 Correct 144 ms 34108 KB Output is correct
38 Correct 148 ms 34156 KB Output is correct
39 Correct 182 ms 33952 KB Output is correct
40 Correct 172 ms 32472 KB Output is correct
41 Correct 165 ms 33308 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23936 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 18 ms 23788 KB Output is correct
6 Correct 17 ms 23916 KB Output is correct
7 Correct 20 ms 23916 KB Output is correct
8 Correct 17 ms 23916 KB Output is correct
9 Correct 18 ms 23916 KB Output is correct
10 Correct 19 ms 23916 KB Output is correct
11 Correct 20 ms 24044 KB Output is correct
12 Correct 22 ms 24044 KB Output is correct
13 Correct 17 ms 24044 KB Output is correct
14 Correct 21 ms 24172 KB Output is correct
15 Correct 19 ms 24172 KB Output is correct
16 Correct 20 ms 24172 KB Output is correct
17 Correct 19 ms 24172 KB Output is correct
18 Correct 24 ms 24048 KB Output is correct
19 Correct 1173 ms 81808 KB Output is correct
20 Correct 1165 ms 82140 KB Output is correct
21 Correct 1146 ms 82028 KB Output is correct
22 Correct 1083 ms 82028 KB Output is correct
23 Correct 1029 ms 74328 KB Output is correct
24 Correct 88 ms 29664 KB Output is correct
25 Correct 83 ms 29932 KB Output is correct
26 Correct 77 ms 28908 KB Output is correct
27 Correct 98 ms 28908 KB Output is correct
28 Correct 81 ms 28908 KB Output is correct
29 Correct 81 ms 29036 KB Output is correct
30 Correct 70 ms 29036 KB Output is correct
31 Correct 85 ms 28576 KB Output is correct
32 Correct 57 ms 27808 KB Output is correct
33 Correct 82 ms 28576 KB Output is correct
34 Correct 208 ms 35564 KB Output is correct
35 Correct 226 ms 35436 KB Output is correct
36 Correct 185 ms 36076 KB Output is correct
37 Correct 177 ms 36132 KB Output is correct
38 Correct 180 ms 36088 KB Output is correct
39 Correct 159 ms 34648 KB Output is correct
40 Correct 152 ms 34680 KB Output is correct
41 Correct 192 ms 34232 KB Output is correct
42 Correct 247 ms 34216 KB Output is correct
43 Correct 181 ms 34156 KB Output is correct
44 Correct 201 ms 33924 KB Output is correct
45 Correct 210 ms 33988 KB Output is correct
46 Correct 186 ms 33988 KB Output is correct
47 Correct 184 ms 33900 KB Output is correct
48 Correct 196 ms 34028 KB Output is correct
49 Correct 140 ms 34036 KB Output is correct
50 Correct 154 ms 34156 KB Output is correct
51 Correct 139 ms 34028 KB Output is correct
52 Correct 144 ms 34108 KB Output is correct
53 Correct 148 ms 34156 KB Output is correct
54 Correct 182 ms 33952 KB Output is correct
55 Correct 172 ms 32472 KB Output is correct
56 Correct 165 ms 33308 KB Output is correct
57 Correct 1101 ms 82368 KB Output is correct
58 Correct 1090 ms 81968 KB Output is correct
59 Correct 1102 ms 82784 KB Output is correct
60 Correct 1110 ms 82916 KB Output is correct
61 Correct 1047 ms 82768 KB Output is correct
62 Correct 1038 ms 82808 KB Output is correct
63 Correct 786 ms 77012 KB Output is correct
64 Correct 738 ms 77164 KB Output is correct
65 Correct 972 ms 75244 KB Output is correct
66 Correct 1030 ms 75184 KB Output is correct
67 Correct 1059 ms 75044 KB Output is correct
68 Correct 953 ms 74184 KB Output is correct
69 Correct 991 ms 74252 KB Output is correct
70 Correct 1069 ms 74276 KB Output is correct
71 Correct 972 ms 74336 KB Output is correct
72 Correct 1047 ms 74312 KB Output is correct
73 Correct 601 ms 72400 KB Output is correct
74 Correct 657 ms 72464 KB Output is correct
75 Correct 638 ms 72564 KB Output is correct
76 Correct 609 ms 73072 KB Output is correct
77 Correct 584 ms 72428 KB Output is correct
78 Correct 868 ms 74384 KB Output is correct
79 Correct 742 ms 65664 KB Output is correct
80 Correct 852 ms 70904 KB Output is correct