#include <bits/stdc++.h>
using namespace std;
template<class T, class U>
void ckmin(T &a, U b)
{
if (a > b) a = b;
}
template<class T, class U>
void ckmax(T &a, U b)
{
if (a < b) a = b;
}
#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)
#define SZ(x) ((int) (x).size())
#define ALL(x) (x).begin(), (x).end()
typedef __int128_t ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
ll gcd(ll a, ll b)
{
return (b == 0 ? a : gcd(b, a % b));
}
void readi(ll &x)
{
long long res;
cin >> res;
x = res;
}
int Q;
ll A, B;
ll period, ans;
vpl events;
int32_t main()
{
ios_base::sync_with_stdio(false); cin.tie(0);
cout << fixed << setprecision(12);
cerr << fixed << setprecision(4);
cin >> Q;
readi(A); readi(B);
ll g = gcd(A, B + 1);
period = B * A / g;
while(Q--)
{
ll L, R;
readi(L); readi(R);
if (R - L + 1 >= period)
{
cout << (long long) period << '\n';
return 0;
}
L %= period;
R %= period;
if (L > R)
{
events.PB({L, 1});
events.PB({period, -1});
events.PB({0, 1});
events.PB({R + 1, -1});
}
else
{
events.PB({L, 1});
events.PB({R + 1, -1});
}
}
sort(ALL(events));
int sum = 0;
FOR(i, 0, SZ(events))
{
if (sum)
{
ans += (events[i].fi - events[i - 1].fi);
}
sum += events[i].se;
}
cout << (long long) ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
10 ms |
1928 KB |
Output is correct |
3 |
Correct |
11 ms |
1908 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
264 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
10 ms |
1908 KB |
Output is correct |
17 |
Correct |
100 ms |
11360 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
660 ms |
88408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
900 ms |
100332 KB |
Output is correct |
3 |
Correct |
930 ms |
100408 KB |
Output is correct |
4 |
Correct |
901 ms |
99960 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
900 ms |
100332 KB |
Output is correct |
3 |
Correct |
930 ms |
100408 KB |
Output is correct |
4 |
Correct |
901 ms |
99960 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
927 ms |
100132 KB |
Output is correct |
7 |
Correct |
937 ms |
99604 KB |
Output is correct |
8 |
Correct |
916 ms |
99676 KB |
Output is correct |
9 |
Correct |
1071 ms |
99820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
900 ms |
100332 KB |
Output is correct |
3 |
Correct |
930 ms |
100408 KB |
Output is correct |
4 |
Correct |
901 ms |
99960 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
86 ms |
11364 KB |
Output is correct |
7 |
Correct |
91 ms |
11356 KB |
Output is correct |
8 |
Correct |
89 ms |
11360 KB |
Output is correct |
9 |
Correct |
92 ms |
11360 KB |
Output is correct |
10 |
Correct |
83 ms |
11364 KB |
Output is correct |
11 |
Correct |
91 ms |
11364 KB |
Output is correct |
12 |
Correct |
83 ms |
11360 KB |
Output is correct |
13 |
Correct |
97 ms |
11316 KB |
Output is correct |
14 |
Correct |
86 ms |
11356 KB |
Output is correct |
15 |
Correct |
101 ms |
11360 KB |
Output is correct |
16 |
Correct |
97 ms |
11364 KB |
Output is correct |
17 |
Correct |
90 ms |
11360 KB |
Output is correct |
18 |
Correct |
936 ms |
99776 KB |
Output is correct |
19 |
Correct |
897 ms |
99880 KB |
Output is correct |
20 |
Correct |
1161 ms |
99708 KB |
Output is correct |
21 |
Correct |
102 ms |
11364 KB |
Output is correct |
22 |
Correct |
80 ms |
11360 KB |
Output is correct |
23 |
Correct |
260 ms |
43200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
95 ms |
11364 KB |
Output is correct |
3 |
Correct |
96 ms |
11364 KB |
Output is correct |
4 |
Correct |
1253 ms |
100020 KB |
Output is correct |
5 |
Correct |
97 ms |
11360 KB |
Output is correct |
6 |
Correct |
98 ms |
11356 KB |
Output is correct |
7 |
Correct |
98 ms |
11360 KB |
Output is correct |
8 |
Correct |
101 ms |
11360 KB |
Output is correct |
9 |
Correct |
94 ms |
11360 KB |
Output is correct |
10 |
Correct |
100 ms |
11360 KB |
Output is correct |
11 |
Correct |
96 ms |
11360 KB |
Output is correct |
12 |
Correct |
87 ms |
11360 KB |
Output is correct |
13 |
Correct |
101 ms |
11360 KB |
Output is correct |
14 |
Correct |
1137 ms |
100052 KB |
Output is correct |
15 |
Correct |
134 ms |
11360 KB |
Output is correct |
16 |
Correct |
865 ms |
76424 KB |
Output is correct |
17 |
Correct |
902 ms |
76060 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
10 ms |
1928 KB |
Output is correct |
3 |
Correct |
11 ms |
1908 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
264 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
10 ms |
1908 KB |
Output is correct |
17 |
Correct |
100 ms |
11360 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
504 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
504 KB |
Output is correct |
26 |
Correct |
2 ms |
504 KB |
Output is correct |
27 |
Correct |
3 ms |
504 KB |
Output is correct |
28 |
Correct |
660 ms |
88408 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
900 ms |
100332 KB |
Output is correct |
31 |
Correct |
930 ms |
100408 KB |
Output is correct |
32 |
Correct |
901 ms |
99960 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
927 ms |
100132 KB |
Output is correct |
35 |
Correct |
937 ms |
99604 KB |
Output is correct |
36 |
Correct |
916 ms |
99676 KB |
Output is correct |
37 |
Correct |
1071 ms |
99820 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
86 ms |
11364 KB |
Output is correct |
40 |
Correct |
91 ms |
11356 KB |
Output is correct |
41 |
Correct |
89 ms |
11360 KB |
Output is correct |
42 |
Correct |
92 ms |
11360 KB |
Output is correct |
43 |
Correct |
83 ms |
11364 KB |
Output is correct |
44 |
Correct |
91 ms |
11364 KB |
Output is correct |
45 |
Correct |
83 ms |
11360 KB |
Output is correct |
46 |
Correct |
97 ms |
11316 KB |
Output is correct |
47 |
Correct |
86 ms |
11356 KB |
Output is correct |
48 |
Correct |
101 ms |
11360 KB |
Output is correct |
49 |
Correct |
97 ms |
11364 KB |
Output is correct |
50 |
Correct |
90 ms |
11360 KB |
Output is correct |
51 |
Correct |
936 ms |
99776 KB |
Output is correct |
52 |
Correct |
897 ms |
99880 KB |
Output is correct |
53 |
Correct |
1161 ms |
99708 KB |
Output is correct |
54 |
Correct |
102 ms |
11364 KB |
Output is correct |
55 |
Correct |
80 ms |
11360 KB |
Output is correct |
56 |
Correct |
260 ms |
43200 KB |
Output is correct |
57 |
Correct |
2 ms |
376 KB |
Output is correct |
58 |
Correct |
95 ms |
11364 KB |
Output is correct |
59 |
Correct |
96 ms |
11364 KB |
Output is correct |
60 |
Correct |
1253 ms |
100020 KB |
Output is correct |
61 |
Correct |
97 ms |
11360 KB |
Output is correct |
62 |
Correct |
98 ms |
11356 KB |
Output is correct |
63 |
Correct |
98 ms |
11360 KB |
Output is correct |
64 |
Correct |
101 ms |
11360 KB |
Output is correct |
65 |
Correct |
94 ms |
11360 KB |
Output is correct |
66 |
Correct |
100 ms |
11360 KB |
Output is correct |
67 |
Correct |
96 ms |
11360 KB |
Output is correct |
68 |
Correct |
87 ms |
11360 KB |
Output is correct |
69 |
Correct |
101 ms |
11360 KB |
Output is correct |
70 |
Correct |
1137 ms |
100052 KB |
Output is correct |
71 |
Correct |
134 ms |
11360 KB |
Output is correct |
72 |
Correct |
865 ms |
76424 KB |
Output is correct |
73 |
Correct |
902 ms |
76060 KB |
Output is correct |
74 |
Correct |
2 ms |
376 KB |
Output is correct |
75 |
Correct |
2 ms |
376 KB |
Output is correct |
76 |
Correct |
2 ms |
376 KB |
Output is correct |
77 |
Correct |
2 ms |
376 KB |
Output is correct |
78 |
Correct |
2 ms |
416 KB |
Output is correct |
79 |
Correct |
10 ms |
1908 KB |
Output is correct |
80 |
Correct |
1241 ms |
78232 KB |
Output is correct |
81 |
Correct |
1245 ms |
77812 KB |
Output is correct |
82 |
Correct |
1053 ms |
100320 KB |
Output is correct |
83 |
Correct |
1048 ms |
81224 KB |
Output is correct |
84 |
Correct |
1094 ms |
99800 KB |
Output is correct |
85 |
Correct |
1132 ms |
80948 KB |
Output is correct |
86 |
Correct |
260 ms |
43200 KB |
Output is correct |
87 |
Correct |
2 ms |
376 KB |
Output is correct |