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Submission #983534

# Submission time Handle Problem Language Result Execution time Memory
983534 2024-05-15T16:18:53 Z THXuan Curtains (NOI23_curtains) C++14
100 / 100
 927 ms 83276 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <set>
#include <map>
#define INF 1e9
using namespace std;
typedef long long ll;

vector<int>v[500005];
vector<pair<int, int>>a[500005];
const int MAXN = 1e6 + 5;
ll t[4 * MAXN], lazy[4 * MAXN];
void pushdown(int v) {
    if (lazy[v] > 0) {
        lazy[2 * v] = max(lazy[2*v], lazy[v]);
        lazy[2 * v + 1] = max(lazy[2 * v + 1], lazy[v]);
        t[2 * v] = max(t[2 * v], lazy[v]);
        t[2 * v + 1] = max(t[2 * v + 1], lazy[v]);
        lazy[v] = 0;
    }
}
void upd(int v, int l, int r, int tl, int tr, ll val) {
    if (l > r)return;
    if (l == tl && r == tr) {
        lazy[v] = max(lazy[v], val);
        t[v] = max(t[v], val);
        return;
    }
    pushdown(v);
    int tm = (tl + tr) / 2;
    upd(2 * v, l, min(r, tm), tl, tm, val);
    upd(2 * v + 1, max(l, tm + 1), r, tm + 1, tr, val);
    t[v] = min(t[v * 2], t[v * 2 + 1]);
}

ll query(int v, int tl, int tr, int l, int r) {
    if (l > r)return INF;
    if (l == tl && r == tr)return t[v];
    pushdown(v);
    int tm = (tl + tr) / 2;
    return    min(query(2 * v, tl, tm, l, min(r, tm)),
        query(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
}

void solve()
{
	int n, m, q; cin >> n >> m >> q;
	vector<int>ans(q);
	for (int i = 1; i <= m; i++) {
		int l, r; cin >> l >> r;
		v[r].push_back(l);
	}
	for (int i = 0; i < q; i++) {
		int l, r; cin >> l >> r;
		a[r].push_back({ l, i });
	}
	for (int i = 1; i <= n; i++) {
        for (auto l : v[i]) {
            upd(1, l, i, 1, n, l);
            //cout << query(1, 1,n, l, i) << "\n";
        }
        for (auto l : a[i]) {
            if (query(1, 1, n, l.first, i) < l.first) ans[l.second] = 0;
            else ans[l.second] = 1;
        }
	}
    for (int i = 0; i < q; i++) {
        if (ans[i]) cout << "YES" << "\n";
        else cout << "NO" << "\n";
    }
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;// cin>>t;
	while (t--) solve();
	return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 24668 KB Output is correct
2 Correct 6 ms 24668 KB Output is correct
3 Correct 6 ms 24668 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 7 ms 24668 KB Output is correct
6 Correct 6 ms 24664 KB Output is correct
7 Correct 6 ms 24664 KB Output is correct
8 Correct 7 ms 24668 KB Output is correct
9 Correct 6 ms 24784 KB Output is correct
10 Correct 6 ms 24668 KB Output is correct
11 Correct 6 ms 24668 KB Output is correct
12 Correct 6 ms 24788 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 24668 KB Output is correct
2 Correct 6 ms 24668 KB Output is correct
3 Correct 6 ms 24668 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 7 ms 24668 KB Output is correct
6 Correct 6 ms 24664 KB Output is correct
7 Correct 6 ms 24664 KB Output is correct
8 Correct 7 ms 24668 KB Output is correct
9 Correct 6 ms 24784 KB Output is correct
10 Correct 6 ms 24668 KB Output is correct
11 Correct 6 ms 24668 KB Output is correct
12 Correct 6 ms 24788 KB Output is correct
13 Correct 7 ms 24924 KB Output is correct
14 Correct 7 ms 24924 KB Output is correct
15 Correct 8 ms 25016 KB Output is correct
16 Correct 8 ms 24920 KB Output is correct
17 Correct 7 ms 24924 KB Output is correct
18 Correct 7 ms 24836 KB Output is correct
19 Correct 7 ms 24924 KB Output is correct
20 Correct 7 ms 24924 KB Output is correct
21 Correct 7 ms 24924 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 24668 KB Output is correct
2 Correct 6 ms 24668 KB Output is correct
3 Correct 6 ms 24668 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 7 ms 24668 KB Output is correct
6 Correct 6 ms 24664 KB Output is correct
7 Correct 6 ms 24664 KB Output is correct
8 Correct 7 ms 24668 KB Output is correct
9 Correct 6 ms 24784 KB Output is correct
10 Correct 6 ms 24668 KB Output is correct
11 Correct 6 ms 24668 KB Output is correct
12 Correct 6 ms 24788 KB Output is correct
13 Correct 7 ms 24924 KB Output is correct
14 Correct 7 ms 24924 KB Output is correct
15 Correct 8 ms 25016 KB Output is correct
16 Correct 8 ms 24920 KB Output is correct
17 Correct 7 ms 24924 KB Output is correct
18 Correct 7 ms 24836 KB Output is correct
19 Correct 7 ms 24924 KB Output is correct
20 Correct 7 ms 24924 KB Output is correct
21 Correct 7 ms 24924 KB Output is correct
22 Correct 165 ms 38776 KB Output is correct
23 Correct 172 ms 39248 KB Output is correct
24 Correct 203 ms 40784 KB Output is correct
25 Correct 324 ms 46416 KB Output is correct
26 Correct 176 ms 39224 KB Output is correct
27 Correct 338 ms 46436 KB Output is correct
28 Correct 323 ms 46392 KB Output is correct
29 Correct 156 ms 38144 KB Output is correct
30 Correct 112 ms 38232 KB Output is correct
31 Correct 125 ms 38992 KB Output is correct
32 Correct 268 ms 45536 KB Output is correct
33 Correct 110 ms 38380 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 24668 KB Output is correct
2 Correct 6 ms 24668 KB Output is correct
3 Correct 6 ms 24664 KB Output is correct
4 Correct 6 ms 24668 KB Output is correct
5 Correct 7 ms 24836 KB Output is correct
6 Correct 7 ms 24924 KB Output is correct
7 Correct 8 ms 24836 KB Output is correct
8 Correct 111 ms 38192 KB Output is correct
9 Correct 127 ms 39088 KB Output is correct
10 Correct 273 ms 45572 KB Output is correct
11 Correct 145 ms 38236 KB Output is correct
12 Correct 105 ms 36340 KB Output is correct
13 Correct 101 ms 36332 KB Output is correct
14 Correct 88 ms 36300 KB Output is correct
15 Correct 80 ms 35924 KB Output is correct
16 Correct 90 ms 36416 KB Output is correct
17 Correct 76 ms 35920 KB Output is correct
18 Correct 731 ms 80360 KB Output is correct
19 Correct 734 ms 80616 KB Output is correct
20 Correct 512 ms 80976 KB Output is correct
21 Correct 506 ms 80208 KB Output is correct
22 Correct 543 ms 79192 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 24668 KB Output is correct
2 Correct 6 ms 24668 KB Output is correct
3 Correct 6 ms 24668 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 7 ms 24668 KB Output is correct
6 Correct 6 ms 24664 KB Output is correct
7 Correct 6 ms 24664 KB Output is correct
8 Correct 7 ms 24668 KB Output is correct
9 Correct 6 ms 24784 KB Output is correct
10 Correct 6 ms 24668 KB Output is correct
11 Correct 6 ms 24668 KB Output is correct
12 Correct 6 ms 24788 KB Output is correct
13 Correct 7 ms 24924 KB Output is correct
14 Correct 7 ms 24924 KB Output is correct
15 Correct 8 ms 25016 KB Output is correct
16 Correct 8 ms 24920 KB Output is correct
17 Correct 7 ms 24924 KB Output is correct
18 Correct 7 ms 24836 KB Output is correct
19 Correct 7 ms 24924 KB Output is correct
20 Correct 7 ms 24924 KB Output is correct
21 Correct 7 ms 24924 KB Output is correct
22 Correct 88 ms 30028 KB Output is correct
23 Correct 96 ms 29988 KB Output is correct
24 Correct 123 ms 35668 KB Output is correct
25 Correct 121 ms 35552 KB Output is correct
26 Correct 92 ms 36296 KB Output is correct
27 Correct 114 ms 36948 KB Output is correct
28 Correct 82 ms 34664 KB Output is correct
29 Correct 92 ms 35992 KB Output is correct
30 Correct 120 ms 35660 KB Output is correct
31 Correct 134 ms 35668 KB Output is correct
32 Correct 106 ms 35920 KB Output is correct
33 Correct 99 ms 36432 KB Output is correct
34 Correct 110 ms 35156 KB Output is correct
35 Correct 116 ms 35408 KB Output is correct
36 Correct 108 ms 35956 KB Output is correct
37 Correct 101 ms 36352 KB Output is correct
38 Correct 104 ms 36736 KB Output is correct
39 Correct 82 ms 36312 KB Output is correct
40 Correct 78 ms 35892 KB Output is correct
41 Correct 77 ms 36436 KB Output is correct
42 Correct 86 ms 36040 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 24668 KB Output is correct
2 Correct 6 ms 24668 KB Output is correct
3 Correct 6 ms 24668 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 7 ms 24668 KB Output is correct
6 Correct 6 ms 24664 KB Output is correct
7 Correct 6 ms 24664 KB Output is correct
8 Correct 7 ms 24668 KB Output is correct
9 Correct 6 ms 24784 KB Output is correct
10 Correct 6 ms 24668 KB Output is correct
11 Correct 6 ms 24668 KB Output is correct
12 Correct 6 ms 24788 KB Output is correct
13 Correct 7 ms 24924 KB Output is correct
14 Correct 7 ms 24924 KB Output is correct
15 Correct 8 ms 25016 KB Output is correct
16 Correct 8 ms 24920 KB Output is correct
17 Correct 7 ms 24924 KB Output is correct
18 Correct 7 ms 24836 KB Output is correct
19 Correct 7 ms 24924 KB Output is correct
20 Correct 7 ms 24924 KB Output is correct
21 Correct 7 ms 24924 KB Output is correct
22 Correct 165 ms 38776 KB Output is correct
23 Correct 172 ms 39248 KB Output is correct
24 Correct 203 ms 40784 KB Output is correct
25 Correct 324 ms 46416 KB Output is correct
26 Correct 176 ms 39224 KB Output is correct
27 Correct 338 ms 46436 KB Output is correct
28 Correct 323 ms 46392 KB Output is correct
29 Correct 156 ms 38144 KB Output is correct
30 Correct 112 ms 38232 KB Output is correct
31 Correct 125 ms 38992 KB Output is correct
32 Correct 268 ms 45536 KB Output is correct
33 Correct 110 ms 38380 KB Output is correct
34 Correct 6 ms 24668 KB Output is correct
35 Correct 6 ms 24668 KB Output is correct
36 Correct 6 ms 24664 KB Output is correct
37 Correct 6 ms 24668 KB Output is correct
38 Correct 7 ms 24836 KB Output is correct
39 Correct 7 ms 24924 KB Output is correct
40 Correct 8 ms 24836 KB Output is correct
41 Correct 111 ms 38192 KB Output is correct
42 Correct 127 ms 39088 KB Output is correct
43 Correct 273 ms 45572 KB Output is correct
44 Correct 145 ms 38236 KB Output is correct
45 Correct 105 ms 36340 KB Output is correct
46 Correct 101 ms 36332 KB Output is correct
47 Correct 88 ms 36300 KB Output is correct
48 Correct 80 ms 35924 KB Output is correct
49 Correct 90 ms 36416 KB Output is correct
50 Correct 76 ms 35920 KB Output is correct
51 Correct 731 ms 80360 KB Output is correct
52 Correct 734 ms 80616 KB Output is correct
53 Correct 512 ms 80976 KB Output is correct
54 Correct 506 ms 80208 KB Output is correct
55 Correct 543 ms 79192 KB Output is correct
56 Correct 88 ms 30028 KB Output is correct
57 Correct 96 ms 29988 KB Output is correct
58 Correct 123 ms 35668 KB Output is correct
59 Correct 121 ms 35552 KB Output is correct
60 Correct 92 ms 36296 KB Output is correct
61 Correct 114 ms 36948 KB Output is correct
62 Correct 82 ms 34664 KB Output is correct
63 Correct 92 ms 35992 KB Output is correct
64 Correct 120 ms 35660 KB Output is correct
65 Correct 134 ms 35668 KB Output is correct
66 Correct 106 ms 35920 KB Output is correct
67 Correct 99 ms 36432 KB Output is correct
68 Correct 110 ms 35156 KB Output is correct
69 Correct 116 ms 35408 KB Output is correct
70 Correct 108 ms 35956 KB Output is correct
71 Correct 101 ms 36352 KB Output is correct
72 Correct 104 ms 36736 KB Output is correct
73 Correct 82 ms 36312 KB Output is correct
74 Correct 78 ms 35892 KB Output is correct
75 Correct 77 ms 36436 KB Output is correct
76 Correct 86 ms 36040 KB Output is correct
77 Correct 927 ms 77296 KB Output is correct
78 Correct 916 ms 77084 KB Output is correct
79 Correct 629 ms 81804 KB Output is correct
80 Correct 628 ms 83276 KB Output is correct
81 Correct 597 ms 80724 KB Output is correct
82 Correct 670 ms 80724 KB Output is correct
83 Correct 826 ms 77140 KB Output is correct
84 Correct 776 ms 76884 KB Output is correct
85 Correct 731 ms 78932 KB Output is correct
86 Correct 710 ms 75472 KB Output is correct
87 Correct 701 ms 75008 KB Output is correct
88 Correct 685 ms 82016 KB Output is correct