#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
#define int long long
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
// typedef pair<int, int> P;
template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
out << c.first << ' ' << c.second;
return out;
}
template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
const int sz = v.size();
for (int i = 0; i < sz; i++) {
if (i) out << ' ';
out << v[i];
}
return out;
}
template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
for (T &x : v) in >> x;
return in;
}
template<typename T, typename U>
istream & operator >> (istream &in, pair<T, U> &c) {
in >> c.first;
in >> c.second;
return in;
}
template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}
const int mxn = 5e5, MXLOG = 22, mod = 1e9 + 7, P = 1181, D = 1523, N = 2500;
const long long inf = 2e18 + 10;
int l[mxn], r[mxn], ans[mxn];
vector<int> g[mxn], qr[mxn];
int d[mxn * 4], lz[mxn * 4];
void pro(int i, int l, int r) {
if(lz[i] == 0) return;
mxx(d[i], lz[i]);
if(l < r) {
mxx(lz[i * 2], lz[i]);
mxx(lz[i * 2 + 1], lz[i]);
}
lz[i] = 0;
}
void update(int l, int r, int i, int x, int y, int c) {
pro(i, l, r);
if(l >= x && r <= y) {
mxx(lz[i], c);
pro(i, l, r);
return;
}
if(l > y || r < x) return;
int m = (l + r) / 2;
update(l, m, i * 2, x, y, c);
update(m + 1, r, i * 2 + 1, x, y, c);
d[i] = min(d[i * 2], d[i * 2 + 1]);
}
int get(int l, int r, int i, int x, int y) {
pro(i, l, r);
if(l >= x && r <= y) return d[i];
if(l > y || r < x) return inf;
int m = (l + r) / 2;
return min(get(l, m, i * 2, x, y), get(m + 1, r, i * 2 + 1, x, y));
}
void go() {
int n, m, q;
cin >> n >> m >> q;
for(int i = 1; i <= m; i++) {
int x, y;
cin >> x >> y;
g[y].pb(x);
}
for(int i = 1; i <= q; i++) {
cin >> l[i] >> r[i];
qr[r[i]].pb(i);
}
for(int i = 1; i <= n; i++) {
for(int x : g[i]) {
update(1, n, 1, x, i, x);
}
for(int id : qr[i]) {
if(get(1, n, 1, l[id], r[id]) == l[id]) ans[id] = 1;
}
}
for(int i = 1; i <= q; i++) {
if(ans[i]) cout << "YES\n";
else cout << "NO\n";
}
}
signed main() {
fast;
int t = 1;
// cin >> t;
while(t--) {
go();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29020 KB |
Output is correct |
2 |
Correct |
8 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29128 KB |
Output is correct |
4 |
Correct |
6 ms |
29016 KB |
Output is correct |
5 |
Correct |
7 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
8 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29128 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
7 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29020 KB |
Output is correct |
2 |
Correct |
8 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29128 KB |
Output is correct |
4 |
Correct |
6 ms |
29016 KB |
Output is correct |
5 |
Correct |
7 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
8 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29128 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
7 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
8 ms |
29112 KB |
Output is correct |
15 |
Correct |
8 ms |
29276 KB |
Output is correct |
16 |
Correct |
8 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29276 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
19 |
Correct |
7 ms |
29276 KB |
Output is correct |
20 |
Correct |
8 ms |
29276 KB |
Output is correct |
21 |
Correct |
8 ms |
29276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29020 KB |
Output is correct |
2 |
Correct |
8 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29128 KB |
Output is correct |
4 |
Correct |
6 ms |
29016 KB |
Output is correct |
5 |
Correct |
7 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
8 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29128 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
7 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
8 ms |
29112 KB |
Output is correct |
15 |
Correct |
8 ms |
29276 KB |
Output is correct |
16 |
Correct |
8 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29276 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
19 |
Correct |
7 ms |
29276 KB |
Output is correct |
20 |
Correct |
8 ms |
29276 KB |
Output is correct |
21 |
Correct |
8 ms |
29276 KB |
Output is correct |
22 |
Correct |
219 ms |
43876 KB |
Output is correct |
23 |
Correct |
211 ms |
44112 KB |
Output is correct |
24 |
Correct |
258 ms |
45396 KB |
Output is correct |
25 |
Correct |
453 ms |
49688 KB |
Output is correct |
26 |
Correct |
232 ms |
44096 KB |
Output is correct |
27 |
Correct |
427 ms |
49748 KB |
Output is correct |
28 |
Correct |
495 ms |
49676 KB |
Output is correct |
29 |
Correct |
191 ms |
43100 KB |
Output is correct |
30 |
Correct |
138 ms |
44160 KB |
Output is correct |
31 |
Correct |
150 ms |
45232 KB |
Output is correct |
32 |
Correct |
364 ms |
49756 KB |
Output is correct |
33 |
Correct |
130 ms |
44384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
7 ms |
29016 KB |
Output is correct |
4 |
Correct |
6 ms |
29020 KB |
Output is correct |
5 |
Correct |
9 ms |
29276 KB |
Output is correct |
6 |
Correct |
7 ms |
29276 KB |
Output is correct |
7 |
Correct |
7 ms |
29276 KB |
Output is correct |
8 |
Correct |
151 ms |
44372 KB |
Output is correct |
9 |
Correct |
149 ms |
44884 KB |
Output is correct |
10 |
Correct |
358 ms |
49980 KB |
Output is correct |
11 |
Correct |
137 ms |
44368 KB |
Output is correct |
12 |
Correct |
137 ms |
38568 KB |
Output is correct |
13 |
Correct |
127 ms |
38624 KB |
Output is correct |
14 |
Correct |
92 ms |
38484 KB |
Output is correct |
15 |
Correct |
89 ms |
38228 KB |
Output is correct |
16 |
Correct |
101 ms |
38484 KB |
Output is correct |
17 |
Correct |
92 ms |
38292 KB |
Output is correct |
18 |
Correct |
912 ms |
79440 KB |
Output is correct |
19 |
Incorrect |
887 ms |
79612 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29020 KB |
Output is correct |
2 |
Correct |
8 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29128 KB |
Output is correct |
4 |
Correct |
6 ms |
29016 KB |
Output is correct |
5 |
Correct |
7 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
8 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29128 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
7 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
8 ms |
29112 KB |
Output is correct |
15 |
Correct |
8 ms |
29276 KB |
Output is correct |
16 |
Correct |
8 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29276 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
19 |
Correct |
7 ms |
29276 KB |
Output is correct |
20 |
Correct |
8 ms |
29276 KB |
Output is correct |
21 |
Correct |
8 ms |
29276 KB |
Output is correct |
22 |
Correct |
120 ms |
32596 KB |
Output is correct |
23 |
Correct |
116 ms |
32788 KB |
Output is correct |
24 |
Correct |
162 ms |
37332 KB |
Output is correct |
25 |
Correct |
160 ms |
37460 KB |
Output is correct |
26 |
Correct |
109 ms |
39036 KB |
Output is correct |
27 |
Correct |
112 ms |
38484 KB |
Output is correct |
28 |
Correct |
87 ms |
37848 KB |
Output is correct |
29 |
Correct |
105 ms |
38736 KB |
Output is correct |
30 |
Correct |
185 ms |
37524 KB |
Output is correct |
31 |
Correct |
164 ms |
37604 KB |
Output is correct |
32 |
Correct |
153 ms |
38020 KB |
Output is correct |
33 |
Correct |
129 ms |
37968 KB |
Output is correct |
34 |
Correct |
144 ms |
37968 KB |
Output is correct |
35 |
Correct |
141 ms |
37380 KB |
Output is correct |
36 |
Correct |
127 ms |
37928 KB |
Output is correct |
37 |
Correct |
133 ms |
38668 KB |
Output is correct |
38 |
Correct |
127 ms |
38520 KB |
Output is correct |
39 |
Correct |
97 ms |
38636 KB |
Output is correct |
40 |
Correct |
97 ms |
38224 KB |
Output is correct |
41 |
Correct |
93 ms |
38480 KB |
Output is correct |
42 |
Correct |
106 ms |
38228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29020 KB |
Output is correct |
2 |
Correct |
8 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29128 KB |
Output is correct |
4 |
Correct |
6 ms |
29016 KB |
Output is correct |
5 |
Correct |
7 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
8 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29128 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
7 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
8 ms |
29112 KB |
Output is correct |
15 |
Correct |
8 ms |
29276 KB |
Output is correct |
16 |
Correct |
8 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29276 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
19 |
Correct |
7 ms |
29276 KB |
Output is correct |
20 |
Correct |
8 ms |
29276 KB |
Output is correct |
21 |
Correct |
8 ms |
29276 KB |
Output is correct |
22 |
Correct |
219 ms |
43876 KB |
Output is correct |
23 |
Correct |
211 ms |
44112 KB |
Output is correct |
24 |
Correct |
258 ms |
45396 KB |
Output is correct |
25 |
Correct |
453 ms |
49688 KB |
Output is correct |
26 |
Correct |
232 ms |
44096 KB |
Output is correct |
27 |
Correct |
427 ms |
49748 KB |
Output is correct |
28 |
Correct |
495 ms |
49676 KB |
Output is correct |
29 |
Correct |
191 ms |
43100 KB |
Output is correct |
30 |
Correct |
138 ms |
44160 KB |
Output is correct |
31 |
Correct |
150 ms |
45232 KB |
Output is correct |
32 |
Correct |
364 ms |
49756 KB |
Output is correct |
33 |
Correct |
130 ms |
44384 KB |
Output is correct |
34 |
Correct |
6 ms |
29016 KB |
Output is correct |
35 |
Correct |
6 ms |
29020 KB |
Output is correct |
36 |
Correct |
7 ms |
29016 KB |
Output is correct |
37 |
Correct |
6 ms |
29020 KB |
Output is correct |
38 |
Correct |
9 ms |
29276 KB |
Output is correct |
39 |
Correct |
7 ms |
29276 KB |
Output is correct |
40 |
Correct |
7 ms |
29276 KB |
Output is correct |
41 |
Correct |
151 ms |
44372 KB |
Output is correct |
42 |
Correct |
149 ms |
44884 KB |
Output is correct |
43 |
Correct |
358 ms |
49980 KB |
Output is correct |
44 |
Correct |
137 ms |
44368 KB |
Output is correct |
45 |
Correct |
137 ms |
38568 KB |
Output is correct |
46 |
Correct |
127 ms |
38624 KB |
Output is correct |
47 |
Correct |
92 ms |
38484 KB |
Output is correct |
48 |
Correct |
89 ms |
38228 KB |
Output is correct |
49 |
Correct |
101 ms |
38484 KB |
Output is correct |
50 |
Correct |
92 ms |
38292 KB |
Output is correct |
51 |
Correct |
912 ms |
79440 KB |
Output is correct |
52 |
Incorrect |
887 ms |
79612 KB |
Output isn't correct |
53 |
Halted |
0 ms |
0 KB |
- |