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Submission #949156

# Submission time Handle Problem Language Result Execution time Memory
949156 2024-03-19T02:54:38 Z atom Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 817 ms 101344 KB 
#include "bits/stdc++.h"
// @JASPER'S BOILERPLATE
using namespace std;
using ll = long long;

#ifdef JASPER
#include "debug.h"
#else
#define debug(...) 166
#endif

struct SegmentTree {
	vector <ll> f;
	int n;
	ll NEUTRAL = numeric_limits <ll> :: min ();
	SegmentTree(int _n) {
		n = _n;
		f.assign((n << 1) + 5, 0);
	}

	void upd(int x, ll val) {
		f[x + n] = val;
		for (x += n; x; x >>= 1)
			f[x >> 1] = max(f[x], f[x ^ 1]); 
	}

	ll qry(int l, int r) {
		ll ql = NEUTRAL, qr = NEUTRAL;
		for (l += n, r += n + 1; l < r; l >>= 1, r >>= 1) {
			if (l & 1) ql = max(ql, f[l++]);
			if (r & 1) qr = max(qr, f[--r]);
		}
		return max(ql, qr);
	}
};

const int N = 1e6 + 5;
using Query = tuple <int, int, int>;
vector <Query> qs[N];

int n, m;
int w[N];
bool ans[N];

signed main() {
    cin.tie(0) -> sync_with_stdio(0);
    
    #ifdef JASPER
        freopen("in1", "r", stdin);
    #endif

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

    stack <int> st;
    SegmentTree seg(n);
    for (int i = 1; i <= n; ++i) {
    	while (!st.empty() && w[st.top()] <= w[i]) st.pop();
    	if (!st.empty()) {
    		seg.upd(st.top(), w[st.top()] + w[i]);
    	}
    	for (auto& [l, k, id] : qs[i]) {
    		ll mx = seg.qry(l, i); // qry(x) : maximum inversion sum of (w(l), w(r)) (l < r <= n)
    		// debug(st, w[st.top()], w[i]);
    		// debug(mx, l, i);
    		ans[id] = (mx <= k);
    	}
    	// debug(seg.qry(1, 2));
    	st.push(i);
    }
    
    for (int i = 1; i <= m; ++i)
    	cout << ans[i] << "\n";

    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 26456 KB Output is correct
2 Correct 6 ms 26460 KB Output is correct
3 Correct 6 ms 26456 KB Output is correct
4 Correct 6 ms 26460 KB Output is correct
5 Correct 6 ms 26460 KB Output is correct
6 Correct 7 ms 26460 KB Output is correct
7 Correct 6 ms 26612 KB Output is correct
8 Correct 6 ms 26460 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 6 ms 26460 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 26456 KB Output is correct
2 Correct 6 ms 26460 KB Output is correct
3 Correct 6 ms 26456 KB Output is correct
4 Correct 6 ms 26460 KB Output is correct
5 Correct 6 ms 26460 KB Output is correct
6 Correct 7 ms 26460 KB Output is correct
7 Correct 6 ms 26612 KB Output is correct
8 Correct 6 ms 26460 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 6 ms 26460 KB Output is correct
11 Correct 7 ms 26612 KB Output is correct
12 Correct 7 ms 26716 KB Output is correct
13 Correct 8 ms 26712 KB Output is correct
14 Correct 9 ms 26868 KB Output is correct
15 Correct 11 ms 27068 KB Output is correct
16 Correct 8 ms 26716 KB Output is correct
17 Correct 8 ms 26700 KB Output is correct
18 Correct 8 ms 26716 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 817 ms 99896 KB Output is correct
2 Correct 784 ms 100912 KB Output is correct
3 Correct 816 ms 100944 KB Output is correct
4 Correct 816 ms 100976 KB Output is correct
5 Correct 752 ms 101072 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 32332 KB Output is correct
2 Correct 52 ms 32128 KB Output is correct
3 Correct 60 ms 32332 KB Output is correct
4 Correct 54 ms 32340 KB Output is correct
5 Correct 55 ms 32404 KB Output is correct
6 Correct 42 ms 31832 KB Output is correct
7 Correct 42 ms 31824 KB Output is correct
8 Correct 49 ms 32056 KB Output is correct
9 Correct 32 ms 29704 KB Output is correct
10 Correct 57 ms 32008 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 26456 KB Output is correct
2 Correct 6 ms 26460 KB Output is correct
3 Correct 6 ms 26456 KB Output is correct
4 Correct 6 ms 26460 KB Output is correct
5 Correct 6 ms 26460 KB Output is correct
6 Correct 7 ms 26460 KB Output is correct
7 Correct 6 ms 26612 KB Output is correct
8 Correct 6 ms 26460 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 6 ms 26460 KB Output is correct
11 Correct 7 ms 26612 KB Output is correct
12 Correct 7 ms 26716 KB Output is correct
13 Correct 8 ms 26712 KB Output is correct
14 Correct 9 ms 26868 KB Output is correct
15 Correct 11 ms 27068 KB Output is correct
16 Correct 8 ms 26716 KB Output is correct
17 Correct 8 ms 26700 KB Output is correct
18 Correct 8 ms 26716 KB Output is correct
19 Correct 129 ms 41120 KB Output is correct
20 Correct 125 ms 41012 KB Output is correct
21 Correct 109 ms 40412 KB Output is correct
22 Correct 112 ms 40400 KB Output is correct
23 Correct 109 ms 40272 KB Output is correct
24 Correct 97 ms 40276 KB Output is correct
25 Correct 101 ms 40308 KB Output is correct
26 Correct 115 ms 40524 KB Output is correct
27 Correct 118 ms 40528 KB Output is correct
28 Correct 113 ms 40540 KB Output is correct
29 Correct 120 ms 40912 KB Output is correct
30 Correct 133 ms 41416 KB Output is correct
31 Correct 120 ms 41040 KB Output is correct
32 Correct 119 ms 40956 KB Output is correct
33 Correct 128 ms 41044 KB Output is correct
34 Correct 88 ms 39656 KB Output is correct
35 Correct 104 ms 39740 KB Output is correct
36 Correct 89 ms 39496 KB Output is correct
37 Correct 94 ms 39780 KB Output is correct
38 Correct 90 ms 39760 KB Output is correct
39 Correct 109 ms 39296 KB Output is correct
40 Correct 89 ms 37144 KB Output is correct
41 Correct 100 ms 38776 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 26456 KB Output is correct
2 Correct 6 ms 26460 KB Output is correct
3 Correct 6 ms 26456 KB Output is correct
4 Correct 6 ms 26460 KB Output is correct
5 Correct 6 ms 26460 KB Output is correct
6 Correct 7 ms 26460 KB Output is correct
7 Correct 6 ms 26612 KB Output is correct
8 Correct 6 ms 26460 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 6 ms 26460 KB Output is correct
11 Correct 7 ms 26612 KB Output is correct
12 Correct 7 ms 26716 KB Output is correct
13 Correct 8 ms 26712 KB Output is correct
14 Correct 9 ms 26868 KB Output is correct
15 Correct 11 ms 27068 KB Output is correct
16 Correct 8 ms 26716 KB Output is correct
17 Correct 8 ms 26700 KB Output is correct
18 Correct 8 ms 26716 KB Output is correct
19 Correct 817 ms 99896 KB Output is correct
20 Correct 784 ms 100912 KB Output is correct
21 Correct 816 ms 100944 KB Output is correct
22 Correct 816 ms 100976 KB Output is correct
23 Correct 752 ms 101072 KB Output is correct
24 Correct 56 ms 32332 KB Output is correct
25 Correct 52 ms 32128 KB Output is correct
26 Correct 60 ms 32332 KB Output is correct
27 Correct 54 ms 32340 KB Output is correct
28 Correct 55 ms 32404 KB Output is correct
29 Correct 42 ms 31832 KB Output is correct
30 Correct 42 ms 31824 KB Output is correct
31 Correct 49 ms 32056 KB Output is correct
32 Correct 32 ms 29704 KB Output is correct
33 Correct 57 ms 32008 KB Output is correct
34 Correct 129 ms 41120 KB Output is correct
35 Correct 125 ms 41012 KB Output is correct
36 Correct 109 ms 40412 KB Output is correct
37 Correct 112 ms 40400 KB Output is correct
38 Correct 109 ms 40272 KB Output is correct
39 Correct 97 ms 40276 KB Output is correct
40 Correct 101 ms 40308 KB Output is correct
41 Correct 115 ms 40524 KB Output is correct
42 Correct 118 ms 40528 KB Output is correct
43 Correct 113 ms 40540 KB Output is correct
44 Correct 120 ms 40912 KB Output is correct
45 Correct 133 ms 41416 KB Output is correct
46 Correct 120 ms 41040 KB Output is correct
47 Correct 119 ms 40956 KB Output is correct
48 Correct 128 ms 41044 KB Output is correct
49 Correct 88 ms 39656 KB Output is correct
50 Correct 104 ms 39740 KB Output is correct
51 Correct 89 ms 39496 KB Output is correct
52 Correct 94 ms 39780 KB Output is correct
53 Correct 90 ms 39760 KB Output is correct
54 Correct 109 ms 39296 KB Output is correct
55 Correct 89 ms 37144 KB Output is correct
56 Correct 100 ms 38776 KB Output is correct
57 Correct 803 ms 101100 KB Output is correct
58 Correct 784 ms 101344 KB Output is correct
59 Correct 689 ms 99676 KB Output is correct
60 Correct 692 ms 99544 KB Output is correct
61 Correct 711 ms 99660 KB Output is correct
62 Correct 748 ms 99664 KB Output is correct
63 Correct 463 ms 96348 KB Output is correct
64 Correct 458 ms 96296 KB Output is correct
65 Correct 660 ms 99400 KB Output is correct
66 Correct 662 ms 99536 KB Output is correct
67 Correct 686 ms 99876 KB Output is correct
68 Correct 740 ms 101220 KB Output is correct
69 Correct 765 ms 101224 KB Output is correct
70 Correct 740 ms 100780 KB Output is correct
71 Correct 733 ms 101168 KB Output is correct
72 Correct 743 ms 100960 KB Output is correct
73 Correct 414 ms 92576 KB Output is correct
74 Correct 426 ms 93384 KB Output is correct
75 Correct 413 ms 92236 KB Output is correct
76 Correct 417 ms 93016 KB Output is correct
77 Correct 437 ms 92048 KB Output is correct
78 Correct 639 ms 93196 KB Output is correct
79 Correct 485 ms 78836 KB Output is correct
80 Correct 619 ms 91520 KB Output is correct