#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int inf = 1e9 + 199;
#define left v + 1
#define right v + 2 * (mid - l)
struct Lazy_Segree {
struct pi {
int mn = 0, lazy = 0, mark = 0;
} emp;
vector<pi> tree;
void init (int x) {
tree.assign (x << 1, emp);
}
void push (int v, int l, int r) {
if (tree[v].mark == 0 || l == r) return;
int mid = (l + r) >> 1;
tree[left].mn = max(tree[left].mn, tree[v].lazy);
tree[right].mn = max(tree[right].mn, tree[v].lazy);
tree[left].lazy = max(tree[left].lazy, tree[v].lazy);
tree[right].lazy = max(tree[right].lazy, tree[v].lazy);
tree[v].mark = tree[v].lazy = 0;
tree[left].mark = tree[right].mark = 1;
}
void update (int v, int l, int r, int ml, int mr, int val) {
if (l == r || l >= mr || ml >= r) return;
if (ml <= l && r <= mr) {
tree[v].mn = max(tree[v].mn, val);
tree[v].lazy = max(tree[v].lazy, val);
tree[v].mark = 1;
return;
}
push (v, l, r);
int mid = (l + r) >> 1;
update (left, l, mid, ml, mr, val);
update (right, mid, r, ml, mr, val);
tree[v].mn = min(tree[left].mn, tree[right].mn);
}
int get (int v, int l, int r, int ml, int mr) {
if (l == r || l >= mr || ml >= r) return inf;
if (ml <= l && r <= mr) {
return tree[v].mn;
}
push (v, l, r);
int mid = (l + r) >> 1;
return min(get (left, l, mid, ml, mr), get (right, mid, r, ml, mr));
}
};
int32_t main () {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int N, M, Q;
cin >> N >> M >> Q;
vector<array<int, 2>> all;
for (int i = 0;i < M;i ++) {
int l, r;
cin >> l >> r;
all.push_back({l, r});
}
vector<array<int, 3>> q;
for (int i = 0;i < Q;i ++) {
int l, r;
cin >> l >> r;
q.push_back({l, r, i});
}
sort(q.begin(), q.end(), [&](array<int, 3> a, array<int, 3> b) {
return (a[1] < b[1]);
});
sort(all.begin(), all.end(), [&](array<int, 2> a, array<int, 2> b) {
return (a[1] < b[1]);
});
Lazy_Segree LS;
LS.init (N + 1);
string res[Q];
int ind = 0;
// cout << "\n";
for (int i = 0;i < Q;i ++) {
// cout << q[i][0] << " " << q[i][1] << "\n";
while (ind < M && all[ind][1] <= q[i][1]) {
LS.update (1, 1, N + 1, all[ind][0], all[ind][1] + 1, all[ind][0]);
ind ++;
}
if (LS.get (1, 1, N + 1, q[i][0], q[i][1] + 1) >= q[i][0]) {
res[q[i][2]] = "YES";
} else {
res[q[i][2]] = "NO";
}
}
for (int i = 0;i < Q;i ++) {
cout << res[i] << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
472 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
524 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
672 KB |
Output is correct |
21 |
Correct |
2 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
472 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
524 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
672 KB |
Output is correct |
21 |
Correct |
2 ms |
604 KB |
Output is correct |
22 |
Correct |
209 ms |
27836 KB |
Output is correct |
23 |
Correct |
213 ms |
28664 KB |
Output is correct |
24 |
Correct |
236 ms |
30660 KB |
Output is correct |
25 |
Correct |
403 ms |
39464 KB |
Output is correct |
26 |
Correct |
207 ms |
28140 KB |
Output is correct |
27 |
Correct |
389 ms |
39608 KB |
Output is correct |
28 |
Correct |
419 ms |
39608 KB |
Output is correct |
29 |
Correct |
196 ms |
27884 KB |
Output is correct |
30 |
Correct |
152 ms |
27252 KB |
Output is correct |
31 |
Correct |
167 ms |
28356 KB |
Output is correct |
32 |
Correct |
368 ms |
38356 KB |
Output is correct |
33 |
Correct |
163 ms |
27384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
600 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
604 KB |
Output is correct |
8 |
Correct |
149 ms |
27168 KB |
Output is correct |
9 |
Correct |
160 ms |
28224 KB |
Output is correct |
10 |
Correct |
352 ms |
38328 KB |
Output is correct |
11 |
Correct |
175 ms |
27380 KB |
Output is correct |
12 |
Correct |
93 ms |
10764 KB |
Output is correct |
13 |
Correct |
103 ms |
10792 KB |
Output is correct |
14 |
Correct |
77 ms |
10636 KB |
Output is correct |
15 |
Correct |
78 ms |
10808 KB |
Output is correct |
16 |
Correct |
75 ms |
10760 KB |
Output is correct |
17 |
Correct |
73 ms |
10692 KB |
Output is correct |
18 |
Correct |
508 ms |
53304 KB |
Output is correct |
19 |
Correct |
513 ms |
53316 KB |
Output is correct |
20 |
Correct |
397 ms |
52920 KB |
Output is correct |
21 |
Correct |
419 ms |
53180 KB |
Output is correct |
22 |
Correct |
450 ms |
52904 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
472 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
524 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
672 KB |
Output is correct |
21 |
Correct |
2 ms |
604 KB |
Output is correct |
22 |
Correct |
96 ms |
8396 KB |
Output is correct |
23 |
Correct |
100 ms |
8476 KB |
Output is correct |
24 |
Correct |
158 ms |
11204 KB |
Output is correct |
25 |
Correct |
119 ms |
11204 KB |
Output is correct |
26 |
Correct |
88 ms |
11204 KB |
Output is correct |
27 |
Correct |
94 ms |
11148 KB |
Output is correct |
28 |
Correct |
76 ms |
9880 KB |
Output is correct |
29 |
Correct |
86 ms |
10956 KB |
Output is correct |
30 |
Correct |
110 ms |
11212 KB |
Output is correct |
31 |
Correct |
117 ms |
11220 KB |
Output is correct |
32 |
Correct |
114 ms |
11060 KB |
Output is correct |
33 |
Correct |
89 ms |
11212 KB |
Output is correct |
34 |
Correct |
106 ms |
11204 KB |
Output is correct |
35 |
Correct |
102 ms |
11080 KB |
Output is correct |
36 |
Correct |
120 ms |
11212 KB |
Output is correct |
37 |
Correct |
99 ms |
10692 KB |
Output is correct |
38 |
Correct |
98 ms |
10840 KB |
Output is correct |
39 |
Correct |
75 ms |
10700 KB |
Output is correct |
40 |
Correct |
76 ms |
10700 KB |
Output is correct |
41 |
Correct |
75 ms |
10700 KB |
Output is correct |
42 |
Correct |
73 ms |
10700 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
472 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
524 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
672 KB |
Output is correct |
21 |
Correct |
2 ms |
604 KB |
Output is correct |
22 |
Correct |
209 ms |
27836 KB |
Output is correct |
23 |
Correct |
213 ms |
28664 KB |
Output is correct |
24 |
Correct |
236 ms |
30660 KB |
Output is correct |
25 |
Correct |
403 ms |
39464 KB |
Output is correct |
26 |
Correct |
207 ms |
28140 KB |
Output is correct |
27 |
Correct |
389 ms |
39608 KB |
Output is correct |
28 |
Correct |
419 ms |
39608 KB |
Output is correct |
29 |
Correct |
196 ms |
27884 KB |
Output is correct |
30 |
Correct |
152 ms |
27252 KB |
Output is correct |
31 |
Correct |
167 ms |
28356 KB |
Output is correct |
32 |
Correct |
368 ms |
38356 KB |
Output is correct |
33 |
Correct |
163 ms |
27384 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
600 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
2 ms |
604 KB |
Output is correct |
39 |
Correct |
1 ms |
604 KB |
Output is correct |
40 |
Correct |
2 ms |
604 KB |
Output is correct |
41 |
Correct |
149 ms |
27168 KB |
Output is correct |
42 |
Correct |
160 ms |
28224 KB |
Output is correct |
43 |
Correct |
352 ms |
38328 KB |
Output is correct |
44 |
Correct |
175 ms |
27380 KB |
Output is correct |
45 |
Correct |
93 ms |
10764 KB |
Output is correct |
46 |
Correct |
103 ms |
10792 KB |
Output is correct |
47 |
Correct |
77 ms |
10636 KB |
Output is correct |
48 |
Correct |
78 ms |
10808 KB |
Output is correct |
49 |
Correct |
75 ms |
10760 KB |
Output is correct |
50 |
Correct |
73 ms |
10692 KB |
Output is correct |
51 |
Correct |
508 ms |
53304 KB |
Output is correct |
52 |
Correct |
513 ms |
53316 KB |
Output is correct |
53 |
Correct |
397 ms |
52920 KB |
Output is correct |
54 |
Correct |
419 ms |
53180 KB |
Output is correct |
55 |
Correct |
450 ms |
52904 KB |
Output is correct |
56 |
Correct |
96 ms |
8396 KB |
Output is correct |
57 |
Correct |
100 ms |
8476 KB |
Output is correct |
58 |
Correct |
158 ms |
11204 KB |
Output is correct |
59 |
Correct |
119 ms |
11204 KB |
Output is correct |
60 |
Correct |
88 ms |
11204 KB |
Output is correct |
61 |
Correct |
94 ms |
11148 KB |
Output is correct |
62 |
Correct |
76 ms |
9880 KB |
Output is correct |
63 |
Correct |
86 ms |
10956 KB |
Output is correct |
64 |
Correct |
110 ms |
11212 KB |
Output is correct |
65 |
Correct |
117 ms |
11220 KB |
Output is correct |
66 |
Correct |
114 ms |
11060 KB |
Output is correct |
67 |
Correct |
89 ms |
11212 KB |
Output is correct |
68 |
Correct |
106 ms |
11204 KB |
Output is correct |
69 |
Correct |
102 ms |
11080 KB |
Output is correct |
70 |
Correct |
120 ms |
11212 KB |
Output is correct |
71 |
Correct |
99 ms |
10692 KB |
Output is correct |
72 |
Correct |
98 ms |
10840 KB |
Output is correct |
73 |
Correct |
75 ms |
10700 KB |
Output is correct |
74 |
Correct |
76 ms |
10700 KB |
Output is correct |
75 |
Correct |
75 ms |
10700 KB |
Output is correct |
76 |
Correct |
73 ms |
10700 KB |
Output is correct |
77 |
Correct |
733 ms |
55584 KB |
Output is correct |
78 |
Correct |
612 ms |
55848 KB |
Output is correct |
79 |
Correct |
465 ms |
55872 KB |
Output is correct |
80 |
Correct |
498 ms |
55828 KB |
Output is correct |
81 |
Correct |
536 ms |
54684 KB |
Output is correct |
82 |
Correct |
503 ms |
55188 KB |
Output is correct |
83 |
Correct |
682 ms |
55552 KB |
Output is correct |
84 |
Correct |
716 ms |
55480 KB |
Output is correct |
85 |
Correct |
659 ms |
55800 KB |
Output is correct |
86 |
Correct |
646 ms |
55224 KB |
Output is correct |
87 |
Correct |
613 ms |
54456 KB |
Output is correct |
88 |
Correct |
544 ms |
55484 KB |
Output is correct |