// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h>
using namespace std;
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
#define REP(i, s, e) for (int i = s; i < e; i++)
#define RREP(i, s, e) for (int i = s; i >= e; i--)
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;
#ifndef DEBUG
#define cerr if (0) cerr
#endif
#define INF 1000000005
#define LINF 1000000000000000005ll
#define MAXN 1000005
int n;
ll a, b;
ll l[MAXN], r[MAXN];
ll ans;
int main() {
#ifndef DEBUG
ios::sync_with_stdio(0); cin.tie(0);
#endif
cin >> n >> a >> b;
REP (i, 0, n) {
cin >> l[i] >> r[i];
}
ll g = __gcd(b + 1, a);
__int128 mx = (__int128) a / g * b;
REP (i, 0, n) {
if (r[i] - l[i] + 1 > mx) {
cout << (ll) mx << '\n';
return 0;
}
}
cerr << (ll) mx << '\n';
vector<pll> ev;
REP (i, 0, n) {
l[i] %= mx; r[i] %= mx;
ev.pb({l[i], 1});
ev.pb({r[i] + 1, -1});
if (r[i] < l[i]) {
ev.pb({mx, -1});
ev.pb({0, 1});
}
cerr << l[i] << ' ' << r[i] << '\n';
}
sort(ALL(ev));
ll p = 0, cur = 0;
for (auto [a, b] : ev) {
cerr << a << ' ' << b << '\n';
if (cur > 0) {
ans += a - p;
}
cur += b;
p = a;
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
5 ms |
1112 KB |
Output is correct |
3 |
Correct |
6 ms |
1112 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
5 ms |
1504 KB |
Output is correct |
17 |
Correct |
57 ms |
9808 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
357 ms |
49608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
489 ms |
48896 KB |
Output is correct |
3 |
Correct |
509 ms |
48960 KB |
Output is correct |
4 |
Correct |
476 ms |
48896 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
489 ms |
48896 KB |
Output is correct |
3 |
Correct |
509 ms |
48960 KB |
Output is correct |
4 |
Correct |
476 ms |
48896 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
513 ms |
48940 KB |
Output is correct |
7 |
Correct |
475 ms |
48952 KB |
Output is correct |
8 |
Correct |
493 ms |
49024 KB |
Output is correct |
9 |
Correct |
564 ms |
48900 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
489 ms |
48896 KB |
Output is correct |
3 |
Correct |
509 ms |
48960 KB |
Output is correct |
4 |
Correct |
476 ms |
48896 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
47 ms |
6212 KB |
Output is correct |
7 |
Correct |
58 ms |
6144 KB |
Output is correct |
8 |
Correct |
46 ms |
6052 KB |
Output is correct |
9 |
Correct |
51 ms |
6076 KB |
Output is correct |
10 |
Correct |
55 ms |
6080 KB |
Output is correct |
11 |
Correct |
54 ms |
6112 KB |
Output is correct |
12 |
Correct |
48 ms |
6068 KB |
Output is correct |
13 |
Correct |
64 ms |
6056 KB |
Output is correct |
14 |
Correct |
53 ms |
6084 KB |
Output is correct |
15 |
Correct |
59 ms |
6040 KB |
Output is correct |
16 |
Correct |
67 ms |
6084 KB |
Output is correct |
17 |
Correct |
48 ms |
6036 KB |
Output is correct |
18 |
Correct |
513 ms |
48844 KB |
Output is correct |
19 |
Correct |
623 ms |
48952 KB |
Output is correct |
20 |
Correct |
620 ms |
48872 KB |
Output is correct |
21 |
Correct |
56 ms |
6072 KB |
Output is correct |
22 |
Correct |
49 ms |
6080 KB |
Output is correct |
23 |
Correct |
156 ms |
22220 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
63 ms |
6040 KB |
Output is correct |
3 |
Correct |
57 ms |
6056 KB |
Output is correct |
4 |
Correct |
640 ms |
48952 KB |
Output is correct |
5 |
Correct |
67 ms |
6100 KB |
Output is correct |
6 |
Correct |
53 ms |
6092 KB |
Output is correct |
7 |
Correct |
68 ms |
6144 KB |
Output is correct |
8 |
Correct |
69 ms |
6128 KB |
Output is correct |
9 |
Correct |
63 ms |
6124 KB |
Output is correct |
10 |
Correct |
66 ms |
6032 KB |
Output is correct |
11 |
Correct |
63 ms |
6060 KB |
Output is correct |
12 |
Correct |
53 ms |
6136 KB |
Output is correct |
13 |
Correct |
64 ms |
6112 KB |
Output is correct |
14 |
Correct |
653 ms |
48876 KB |
Output is correct |
15 |
Correct |
54 ms |
6128 KB |
Output is correct |
16 |
Correct |
555 ms |
48944 KB |
Output is correct |
17 |
Correct |
527 ms |
48948 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
5 ms |
1112 KB |
Output is correct |
3 |
Correct |
6 ms |
1112 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
5 ms |
1504 KB |
Output is correct |
17 |
Correct |
57 ms |
9808 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
357 ms |
49608 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
489 ms |
48896 KB |
Output is correct |
31 |
Correct |
509 ms |
48960 KB |
Output is correct |
32 |
Correct |
476 ms |
48896 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
513 ms |
48940 KB |
Output is correct |
35 |
Correct |
475 ms |
48952 KB |
Output is correct |
36 |
Correct |
493 ms |
49024 KB |
Output is correct |
37 |
Correct |
564 ms |
48900 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
47 ms |
6212 KB |
Output is correct |
40 |
Correct |
58 ms |
6144 KB |
Output is correct |
41 |
Correct |
46 ms |
6052 KB |
Output is correct |
42 |
Correct |
51 ms |
6076 KB |
Output is correct |
43 |
Correct |
55 ms |
6080 KB |
Output is correct |
44 |
Correct |
54 ms |
6112 KB |
Output is correct |
45 |
Correct |
48 ms |
6068 KB |
Output is correct |
46 |
Correct |
64 ms |
6056 KB |
Output is correct |
47 |
Correct |
53 ms |
6084 KB |
Output is correct |
48 |
Correct |
59 ms |
6040 KB |
Output is correct |
49 |
Correct |
67 ms |
6084 KB |
Output is correct |
50 |
Correct |
48 ms |
6036 KB |
Output is correct |
51 |
Correct |
513 ms |
48844 KB |
Output is correct |
52 |
Correct |
623 ms |
48952 KB |
Output is correct |
53 |
Correct |
620 ms |
48872 KB |
Output is correct |
54 |
Correct |
56 ms |
6072 KB |
Output is correct |
55 |
Correct |
49 ms |
6080 KB |
Output is correct |
56 |
Correct |
156 ms |
22220 KB |
Output is correct |
57 |
Correct |
1 ms |
212 KB |
Output is correct |
58 |
Correct |
63 ms |
6040 KB |
Output is correct |
59 |
Correct |
57 ms |
6056 KB |
Output is correct |
60 |
Correct |
640 ms |
48952 KB |
Output is correct |
61 |
Correct |
67 ms |
6100 KB |
Output is correct |
62 |
Correct |
53 ms |
6092 KB |
Output is correct |
63 |
Correct |
68 ms |
6144 KB |
Output is correct |
64 |
Correct |
69 ms |
6128 KB |
Output is correct |
65 |
Correct |
63 ms |
6124 KB |
Output is correct |
66 |
Correct |
66 ms |
6032 KB |
Output is correct |
67 |
Correct |
63 ms |
6060 KB |
Output is correct |
68 |
Correct |
53 ms |
6136 KB |
Output is correct |
69 |
Correct |
64 ms |
6112 KB |
Output is correct |
70 |
Correct |
653 ms |
48876 KB |
Output is correct |
71 |
Correct |
54 ms |
6128 KB |
Output is correct |
72 |
Correct |
555 ms |
48944 KB |
Output is correct |
73 |
Correct |
527 ms |
48948 KB |
Output is correct |
74 |
Correct |
1 ms |
212 KB |
Output is correct |
75 |
Correct |
1 ms |
340 KB |
Output is correct |
76 |
Correct |
1 ms |
328 KB |
Output is correct |
77 |
Correct |
1 ms |
332 KB |
Output is correct |
78 |
Correct |
1 ms |
340 KB |
Output is correct |
79 |
Correct |
5 ms |
1500 KB |
Output is correct |
80 |
Correct |
649 ms |
68252 KB |
Output is correct |
81 |
Correct |
682 ms |
68204 KB |
Output is correct |
82 |
Correct |
600 ms |
68116 KB |
Output is correct |
83 |
Correct |
607 ms |
68300 KB |
Output is correct |
84 |
Correct |
603 ms |
68180 KB |
Output is correct |
85 |
Correct |
611 ms |
68184 KB |
Output is correct |
86 |
Correct |
151 ms |
34752 KB |
Output is correct |
87 |
Correct |
1 ms |
332 KB |
Output is correct |