#include<bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define pb push_back
#define mp make_pair
#define all(a) (a).begin(), (a).end()
#define sz(a) (int)(a).size()
#define ll long long
#define ld long double
#define int long long
const int oo = 2e18 + 7;
bool ok(int a, int b) {
return a <= oo / b;
}
int32_t main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n, a, b;
cin >> n >> a >> b;
int p = a / __gcd(a, b + 1);
if (ok(p, b)) p *= b; else p = oo;
vector<pair<int, int>> v;
while (n--) {
int l, r;
cin >> l >> r;
int L = l % p, R = r % p;
if (r - l + 1 >= p) {
L = 0;
R = p - 1;
}
l = L;
r = R;
if (l <= r) {
v.pb({l, 1});
v.pb({r + 1, -1});
} else {
v.pb({0, 1});
v.pb({r + 1, -1});
v.pb({l, 1});
v.pb({p, -1});
}
}
sort(all(v));
int ans = 0, bal = 0;
for (int i = 0; i + 1 < sz(v); i++) {
bal += v[i].y;
if (bal) ans += v[i + 1].x - v[i].x;
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
11 ms |
1024 KB |
Output is correct |
3 |
Correct |
11 ms |
1024 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
11 ms |
1024 KB |
Output is correct |
17 |
Correct |
77 ms |
4588 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
416 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
440 ms |
33344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
655 ms |
33344 KB |
Output is correct |
3 |
Correct |
667 ms |
33352 KB |
Output is correct |
4 |
Correct |
628 ms |
33340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
655 ms |
33344 KB |
Output is correct |
3 |
Correct |
667 ms |
33352 KB |
Output is correct |
4 |
Correct |
628 ms |
33340 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
679 ms |
33284 KB |
Output is correct |
7 |
Correct |
663 ms |
33348 KB |
Output is correct |
8 |
Correct |
649 ms |
33352 KB |
Output is correct |
9 |
Correct |
737 ms |
33472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
655 ms |
33344 KB |
Output is correct |
3 |
Correct |
667 ms |
33352 KB |
Output is correct |
4 |
Correct |
628 ms |
33340 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
70 ms |
4588 KB |
Output is correct |
7 |
Correct |
68 ms |
4588 KB |
Output is correct |
8 |
Correct |
71 ms |
4588 KB |
Output is correct |
9 |
Correct |
67 ms |
4596 KB |
Output is correct |
10 |
Correct |
63 ms |
4584 KB |
Output is correct |
11 |
Correct |
67 ms |
4588 KB |
Output is correct |
12 |
Correct |
64 ms |
4584 KB |
Output is correct |
13 |
Correct |
69 ms |
4588 KB |
Output is correct |
14 |
Correct |
64 ms |
4588 KB |
Output is correct |
15 |
Correct |
75 ms |
4460 KB |
Output is correct |
16 |
Correct |
71 ms |
4596 KB |
Output is correct |
17 |
Correct |
68 ms |
4596 KB |
Output is correct |
18 |
Correct |
663 ms |
33492 KB |
Output is correct |
19 |
Correct |
628 ms |
34368 KB |
Output is correct |
20 |
Correct |
755 ms |
34368 KB |
Output is correct |
21 |
Correct |
76 ms |
5612 KB |
Output is correct |
22 |
Correct |
62 ms |
5640 KB |
Output is correct |
23 |
Correct |
184 ms |
18004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
74 ms |
4584 KB |
Output is correct |
3 |
Correct |
73 ms |
4588 KB |
Output is correct |
4 |
Correct |
806 ms |
33344 KB |
Output is correct |
5 |
Correct |
76 ms |
4588 KB |
Output is correct |
6 |
Correct |
72 ms |
4592 KB |
Output is correct |
7 |
Correct |
72 ms |
4680 KB |
Output is correct |
8 |
Correct |
78 ms |
4584 KB |
Output is correct |
9 |
Correct |
70 ms |
4584 KB |
Output is correct |
10 |
Correct |
75 ms |
4588 KB |
Output is correct |
11 |
Correct |
73 ms |
4588 KB |
Output is correct |
12 |
Correct |
67 ms |
4588 KB |
Output is correct |
13 |
Correct |
75 ms |
4596 KB |
Output is correct |
14 |
Correct |
758 ms |
33344 KB |
Output is correct |
15 |
Correct |
76 ms |
4588 KB |
Output is correct |
16 |
Correct |
600 ms |
33344 KB |
Output is correct |
17 |
Correct |
639 ms |
33320 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
11 ms |
1024 KB |
Output is correct |
3 |
Correct |
11 ms |
1024 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
11 ms |
1024 KB |
Output is correct |
17 |
Correct |
77 ms |
4588 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
416 KB |
Output is correct |
23 |
Correct |
4 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
5 ms |
384 KB |
Output is correct |
28 |
Correct |
440 ms |
33344 KB |
Output is correct |
29 |
Correct |
4 ms |
384 KB |
Output is correct |
30 |
Correct |
655 ms |
33344 KB |
Output is correct |
31 |
Correct |
667 ms |
33352 KB |
Output is correct |
32 |
Correct |
628 ms |
33340 KB |
Output is correct |
33 |
Correct |
4 ms |
384 KB |
Output is correct |
34 |
Correct |
679 ms |
33284 KB |
Output is correct |
35 |
Correct |
663 ms |
33348 KB |
Output is correct |
36 |
Correct |
649 ms |
33352 KB |
Output is correct |
37 |
Correct |
737 ms |
33472 KB |
Output is correct |
38 |
Correct |
5 ms |
384 KB |
Output is correct |
39 |
Correct |
70 ms |
4588 KB |
Output is correct |
40 |
Correct |
68 ms |
4588 KB |
Output is correct |
41 |
Correct |
71 ms |
4588 KB |
Output is correct |
42 |
Correct |
67 ms |
4596 KB |
Output is correct |
43 |
Correct |
63 ms |
4584 KB |
Output is correct |
44 |
Correct |
67 ms |
4588 KB |
Output is correct |
45 |
Correct |
64 ms |
4584 KB |
Output is correct |
46 |
Correct |
69 ms |
4588 KB |
Output is correct |
47 |
Correct |
64 ms |
4588 KB |
Output is correct |
48 |
Correct |
75 ms |
4460 KB |
Output is correct |
49 |
Correct |
71 ms |
4596 KB |
Output is correct |
50 |
Correct |
68 ms |
4596 KB |
Output is correct |
51 |
Correct |
663 ms |
33492 KB |
Output is correct |
52 |
Correct |
628 ms |
34368 KB |
Output is correct |
53 |
Correct |
755 ms |
34368 KB |
Output is correct |
54 |
Correct |
76 ms |
5612 KB |
Output is correct |
55 |
Correct |
62 ms |
5640 KB |
Output is correct |
56 |
Correct |
184 ms |
18004 KB |
Output is correct |
57 |
Correct |
5 ms |
384 KB |
Output is correct |
58 |
Correct |
74 ms |
4584 KB |
Output is correct |
59 |
Correct |
73 ms |
4588 KB |
Output is correct |
60 |
Correct |
806 ms |
33344 KB |
Output is correct |
61 |
Correct |
76 ms |
4588 KB |
Output is correct |
62 |
Correct |
72 ms |
4592 KB |
Output is correct |
63 |
Correct |
72 ms |
4680 KB |
Output is correct |
64 |
Correct |
78 ms |
4584 KB |
Output is correct |
65 |
Correct |
70 ms |
4584 KB |
Output is correct |
66 |
Correct |
75 ms |
4588 KB |
Output is correct |
67 |
Correct |
73 ms |
4588 KB |
Output is correct |
68 |
Correct |
67 ms |
4588 KB |
Output is correct |
69 |
Correct |
75 ms |
4596 KB |
Output is correct |
70 |
Correct |
758 ms |
33344 KB |
Output is correct |
71 |
Correct |
76 ms |
4588 KB |
Output is correct |
72 |
Correct |
600 ms |
33344 KB |
Output is correct |
73 |
Correct |
639 ms |
33320 KB |
Output is correct |
74 |
Correct |
5 ms |
384 KB |
Output is correct |
75 |
Correct |
5 ms |
384 KB |
Output is correct |
76 |
Correct |
5 ms |
384 KB |
Output is correct |
77 |
Correct |
5 ms |
384 KB |
Output is correct |
78 |
Correct |
5 ms |
384 KB |
Output is correct |
79 |
Correct |
10 ms |
1408 KB |
Output is correct |
80 |
Correct |
818 ms |
40136 KB |
Output is correct |
81 |
Correct |
827 ms |
40128 KB |
Output is correct |
82 |
Correct |
719 ms |
40136 KB |
Output is correct |
83 |
Correct |
739 ms |
41632 KB |
Output is correct |
84 |
Correct |
791 ms |
46528 KB |
Output is correct |
85 |
Correct |
727 ms |
39872 KB |
Output is correct |
86 |
Correct |
192 ms |
26872 KB |
Output is correct |
87 |
Correct |
5 ms |
384 KB |
Output is correct |