#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
#define ll long long
#define i28 __int128
int main(){
ll n, A, B;
cin>>n>>A>>B;
i28 k = A / __gcd(A, B + 1);
k = k * B;
vector<pair<ll, ll>> vec;
for (int i=1;i<=n;i++){
ll l, r;
cin>>l>>r;
if (r - l + 1 >= k){
cout<<(long long)k<<'\n';
return 0;
}
l = l % k;
r = r % k;
if (l <= r)
vec.push_back({l, r});
else{
vec.push_back({l, k - 1});
vec.push_back({0, r});
}
}
sort(begin(vec), end(vec));
ll mx = -1, ans = 0;
for (auto [i, j] : vec){
mx = max(mx, i - 1);
ans += max(0LL, j - mx);
mx = max(mx, j);
}
cout<<ans<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
9 ms |
1116 KB |
Output is correct |
3 |
Correct |
10 ms |
1052 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
432 KB |
Output is correct |
16 |
Correct |
11 ms |
1112 KB |
Output is correct |
17 |
Correct |
99 ms |
5728 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
660 ms |
41152 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
912 ms |
53140 KB |
Output is correct |
3 |
Correct |
910 ms |
53140 KB |
Output is correct |
4 |
Correct |
913 ms |
53188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
912 ms |
53140 KB |
Output is correct |
3 |
Correct |
910 ms |
53140 KB |
Output is correct |
4 |
Correct |
913 ms |
53188 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
904 ms |
53244 KB |
Output is correct |
7 |
Correct |
959 ms |
53252 KB |
Output is correct |
8 |
Correct |
883 ms |
53288 KB |
Output is correct |
9 |
Correct |
938 ms |
53140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
912 ms |
53140 KB |
Output is correct |
3 |
Correct |
910 ms |
53140 KB |
Output is correct |
4 |
Correct |
913 ms |
53188 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
88 ms |
5576 KB |
Output is correct |
7 |
Correct |
92 ms |
5768 KB |
Output is correct |
8 |
Correct |
93 ms |
5820 KB |
Output is correct |
9 |
Correct |
92 ms |
5824 KB |
Output is correct |
10 |
Correct |
91 ms |
5820 KB |
Output is correct |
11 |
Correct |
94 ms |
5608 KB |
Output is correct |
12 |
Correct |
92 ms |
5820 KB |
Output is correct |
13 |
Correct |
93 ms |
5820 KB |
Output is correct |
14 |
Correct |
95 ms |
5816 KB |
Output is correct |
15 |
Correct |
103 ms |
5824 KB |
Output is correct |
16 |
Correct |
94 ms |
5568 KB |
Output is correct |
17 |
Correct |
94 ms |
5820 KB |
Output is correct |
18 |
Correct |
935 ms |
53204 KB |
Output is correct |
19 |
Correct |
965 ms |
53140 KB |
Output is correct |
20 |
Correct |
971 ms |
53196 KB |
Output is correct |
21 |
Correct |
95 ms |
5572 KB |
Output is correct |
22 |
Correct |
93 ms |
5572 KB |
Output is correct |
23 |
Correct |
324 ms |
18356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
98 ms |
5676 KB |
Output is correct |
3 |
Correct |
97 ms |
5820 KB |
Output is correct |
4 |
Correct |
959 ms |
53148 KB |
Output is correct |
5 |
Correct |
97 ms |
5620 KB |
Output is correct |
6 |
Correct |
94 ms |
5716 KB |
Output is correct |
7 |
Correct |
101 ms |
5820 KB |
Output is correct |
8 |
Correct |
96 ms |
5820 KB |
Output is correct |
9 |
Correct |
95 ms |
5820 KB |
Output is correct |
10 |
Correct |
98 ms |
5824 KB |
Output is correct |
11 |
Correct |
97 ms |
5664 KB |
Output is correct |
12 |
Correct |
91 ms |
5712 KB |
Output is correct |
13 |
Correct |
94 ms |
5776 KB |
Output is correct |
14 |
Correct |
965 ms |
53140 KB |
Output is correct |
15 |
Correct |
94 ms |
5820 KB |
Output is correct |
16 |
Correct |
957 ms |
53144 KB |
Output is correct |
17 |
Correct |
934 ms |
53140 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
9 ms |
1116 KB |
Output is correct |
3 |
Correct |
10 ms |
1052 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
432 KB |
Output is correct |
16 |
Correct |
11 ms |
1112 KB |
Output is correct |
17 |
Correct |
99 ms |
5728 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
344 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
2 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
660 ms |
41152 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
912 ms |
53140 KB |
Output is correct |
31 |
Correct |
910 ms |
53140 KB |
Output is correct |
32 |
Correct |
913 ms |
53188 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
904 ms |
53244 KB |
Output is correct |
35 |
Correct |
959 ms |
53252 KB |
Output is correct |
36 |
Correct |
883 ms |
53288 KB |
Output is correct |
37 |
Correct |
938 ms |
53140 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
88 ms |
5576 KB |
Output is correct |
40 |
Correct |
92 ms |
5768 KB |
Output is correct |
41 |
Correct |
93 ms |
5820 KB |
Output is correct |
42 |
Correct |
92 ms |
5824 KB |
Output is correct |
43 |
Correct |
91 ms |
5820 KB |
Output is correct |
44 |
Correct |
94 ms |
5608 KB |
Output is correct |
45 |
Correct |
92 ms |
5820 KB |
Output is correct |
46 |
Correct |
93 ms |
5820 KB |
Output is correct |
47 |
Correct |
95 ms |
5816 KB |
Output is correct |
48 |
Correct |
103 ms |
5824 KB |
Output is correct |
49 |
Correct |
94 ms |
5568 KB |
Output is correct |
50 |
Correct |
94 ms |
5820 KB |
Output is correct |
51 |
Correct |
935 ms |
53204 KB |
Output is correct |
52 |
Correct |
965 ms |
53140 KB |
Output is correct |
53 |
Correct |
971 ms |
53196 KB |
Output is correct |
54 |
Correct |
95 ms |
5572 KB |
Output is correct |
55 |
Correct |
93 ms |
5572 KB |
Output is correct |
56 |
Correct |
324 ms |
18356 KB |
Output is correct |
57 |
Correct |
1 ms |
344 KB |
Output is correct |
58 |
Correct |
98 ms |
5676 KB |
Output is correct |
59 |
Correct |
97 ms |
5820 KB |
Output is correct |
60 |
Correct |
959 ms |
53148 KB |
Output is correct |
61 |
Correct |
97 ms |
5620 KB |
Output is correct |
62 |
Correct |
94 ms |
5716 KB |
Output is correct |
63 |
Correct |
101 ms |
5820 KB |
Output is correct |
64 |
Correct |
96 ms |
5820 KB |
Output is correct |
65 |
Correct |
95 ms |
5820 KB |
Output is correct |
66 |
Correct |
98 ms |
5824 KB |
Output is correct |
67 |
Correct |
97 ms |
5664 KB |
Output is correct |
68 |
Correct |
91 ms |
5712 KB |
Output is correct |
69 |
Correct |
94 ms |
5776 KB |
Output is correct |
70 |
Correct |
965 ms |
53140 KB |
Output is correct |
71 |
Correct |
94 ms |
5820 KB |
Output is correct |
72 |
Correct |
957 ms |
53144 KB |
Output is correct |
73 |
Correct |
934 ms |
53140 KB |
Output is correct |
74 |
Correct |
1 ms |
600 KB |
Output is correct |
75 |
Correct |
1 ms |
348 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
348 KB |
Output is correct |
78 |
Correct |
0 ms |
348 KB |
Output is correct |
79 |
Correct |
10 ms |
1116 KB |
Output is correct |
80 |
Correct |
998 ms |
53144 KB |
Output is correct |
81 |
Correct |
1014 ms |
53140 KB |
Output is correct |
82 |
Correct |
949 ms |
53144 KB |
Output is correct |
83 |
Correct |
978 ms |
53228 KB |
Output is correct |
84 |
Correct |
955 ms |
53292 KB |
Output is correct |
85 |
Correct |
956 ms |
53136 KB |
Output is correct |
86 |
Correct |
299 ms |
18568 KB |
Output is correct |
87 |
Correct |
0 ms |
344 KB |
Output is correct |