#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {
ll n, a, b; cin >> n >> a >> b;
vector<pair<ll,ll>> turnedon(n);
__int128_t divisor = (__int128_t)gcd(a, b + 1);
__int128_t multiple = ((__int128_t)a * (__int128_t)(b + 1)) / divisor;
__int128_t num = multiple - (__int128_t)(multiple / (__int128_t)(b + 1));
for (int i=0;i<n;i++) {
cin >> turnedon[i].first >> turnedon[i].second;
}
ll limit;
if (num > 1000000000000000000) {
limit = 1000000000000000001;
} else {
limit = num;
}
vector<pair<ll,ll>> ansarr;
for (int i=0;i<n;i++) {
if (turnedon[i].second - turnedon[i].first + 1 >= limit) {
cout << limit;
return 0;
}
turnedon[i].first %= limit; turnedon[i].second %= limit;
if (turnedon[i].first > turnedon[i].second) {
ansarr.push_back(make_pair(turnedon[i].first, limit - 1));
ansarr.push_back(make_pair(0, turnedon[i].second));
} else {
ansarr.push_back(make_pair(turnedon[i].first, turnedon[i].second));
}
}
sort(ansarr.begin(), ansarr.end());
ll ans = 0, tracker = -1;
for (pair<ll,ll> j: ansarr) {
if (tracker < j.first) {
ans += j.second - j.first + 1;
tracker = j.second;
} else if (tracker < j.second) {
ans += j.second - tracker;
tracker = j.second;
}
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
9 ms |
860 KB |
Output is correct |
3 |
Correct |
9 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
344 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 |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 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 |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
9 ms |
860 KB |
Output is correct |
17 |
Correct |
95 ms |
4164 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
688 ms |
33844 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
896 ms |
33840 KB |
Output is correct |
3 |
Correct |
1014 ms |
32696 KB |
Output is correct |
4 |
Correct |
993 ms |
32568 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
896 ms |
33840 KB |
Output is correct |
3 |
Correct |
1014 ms |
32696 KB |
Output is correct |
4 |
Correct |
993 ms |
32568 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
940 ms |
32508 KB |
Output is correct |
7 |
Correct |
960 ms |
32440 KB |
Output is correct |
8 |
Correct |
914 ms |
32564 KB |
Output is correct |
9 |
Correct |
936 ms |
32440 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
896 ms |
33840 KB |
Output is correct |
3 |
Correct |
1014 ms |
32696 KB |
Output is correct |
4 |
Correct |
993 ms |
32568 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
94 ms |
4168 KB |
Output is correct |
7 |
Correct |
97 ms |
4168 KB |
Output is correct |
8 |
Correct |
89 ms |
4164 KB |
Output is correct |
9 |
Correct |
107 ms |
4040 KB |
Output is correct |
10 |
Correct |
91 ms |
4036 KB |
Output is correct |
11 |
Correct |
94 ms |
4292 KB |
Output is correct |
12 |
Correct |
120 ms |
4036 KB |
Output is correct |
13 |
Correct |
92 ms |
5180 KB |
Output is correct |
14 |
Correct |
90 ms |
4036 KB |
Output is correct |
15 |
Correct |
135 ms |
4164 KB |
Output is correct |
16 |
Correct |
95 ms |
4040 KB |
Output is correct |
17 |
Correct |
95 ms |
4164 KB |
Output is correct |
18 |
Correct |
945 ms |
33468 KB |
Output is correct |
19 |
Correct |
928 ms |
32568 KB |
Output is correct |
20 |
Correct |
946 ms |
33096 KB |
Output is correct |
21 |
Correct |
93 ms |
4040 KB |
Output is correct |
22 |
Correct |
97 ms |
4036 KB |
Output is correct |
23 |
Correct |
307 ms |
14064 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
98 ms |
4168 KB |
Output is correct |
3 |
Correct |
94 ms |
4040 KB |
Output is correct |
4 |
Correct |
965 ms |
34116 KB |
Output is correct |
5 |
Correct |
95 ms |
4036 KB |
Output is correct |
6 |
Correct |
95 ms |
4148 KB |
Output is correct |
7 |
Correct |
99 ms |
4296 KB |
Output is correct |
8 |
Correct |
101 ms |
4172 KB |
Output is correct |
9 |
Correct |
106 ms |
4144 KB |
Output is correct |
10 |
Correct |
95 ms |
4040 KB |
Output is correct |
11 |
Correct |
106 ms |
4148 KB |
Output is correct |
12 |
Correct |
94 ms |
4036 KB |
Output is correct |
13 |
Correct |
95 ms |
4164 KB |
Output is correct |
14 |
Correct |
967 ms |
32564 KB |
Output is correct |
15 |
Correct |
93 ms |
4160 KB |
Output is correct |
16 |
Correct |
945 ms |
32564 KB |
Output is correct |
17 |
Correct |
916 ms |
32448 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
9 ms |
860 KB |
Output is correct |
3 |
Correct |
9 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
344 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 |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 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 |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
9 ms |
860 KB |
Output is correct |
17 |
Correct |
95 ms |
4164 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 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 |
596 KB |
Output is correct |
24 |
Correct |
0 ms |
344 KB |
Output is correct |
25 |
Correct |
1 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 |
688 ms |
33844 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
896 ms |
33840 KB |
Output is correct |
31 |
Correct |
1014 ms |
32696 KB |
Output is correct |
32 |
Correct |
993 ms |
32568 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
940 ms |
32508 KB |
Output is correct |
35 |
Correct |
960 ms |
32440 KB |
Output is correct |
36 |
Correct |
914 ms |
32564 KB |
Output is correct |
37 |
Correct |
936 ms |
32440 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
94 ms |
4168 KB |
Output is correct |
40 |
Correct |
97 ms |
4168 KB |
Output is correct |
41 |
Correct |
89 ms |
4164 KB |
Output is correct |
42 |
Correct |
107 ms |
4040 KB |
Output is correct |
43 |
Correct |
91 ms |
4036 KB |
Output is correct |
44 |
Correct |
94 ms |
4292 KB |
Output is correct |
45 |
Correct |
120 ms |
4036 KB |
Output is correct |
46 |
Correct |
92 ms |
5180 KB |
Output is correct |
47 |
Correct |
90 ms |
4036 KB |
Output is correct |
48 |
Correct |
135 ms |
4164 KB |
Output is correct |
49 |
Correct |
95 ms |
4040 KB |
Output is correct |
50 |
Correct |
95 ms |
4164 KB |
Output is correct |
51 |
Correct |
945 ms |
33468 KB |
Output is correct |
52 |
Correct |
928 ms |
32568 KB |
Output is correct |
53 |
Correct |
946 ms |
33096 KB |
Output is correct |
54 |
Correct |
93 ms |
4040 KB |
Output is correct |
55 |
Correct |
97 ms |
4036 KB |
Output is correct |
56 |
Correct |
307 ms |
14064 KB |
Output is correct |
57 |
Correct |
1 ms |
344 KB |
Output is correct |
58 |
Correct |
98 ms |
4168 KB |
Output is correct |
59 |
Correct |
94 ms |
4040 KB |
Output is correct |
60 |
Correct |
965 ms |
34116 KB |
Output is correct |
61 |
Correct |
95 ms |
4036 KB |
Output is correct |
62 |
Correct |
95 ms |
4148 KB |
Output is correct |
63 |
Correct |
99 ms |
4296 KB |
Output is correct |
64 |
Correct |
101 ms |
4172 KB |
Output is correct |
65 |
Correct |
106 ms |
4144 KB |
Output is correct |
66 |
Correct |
95 ms |
4040 KB |
Output is correct |
67 |
Correct |
106 ms |
4148 KB |
Output is correct |
68 |
Correct |
94 ms |
4036 KB |
Output is correct |
69 |
Correct |
95 ms |
4164 KB |
Output is correct |
70 |
Correct |
967 ms |
32564 KB |
Output is correct |
71 |
Correct |
93 ms |
4160 KB |
Output is correct |
72 |
Correct |
945 ms |
32564 KB |
Output is correct |
73 |
Correct |
916 ms |
32448 KB |
Output is correct |
74 |
Correct |
1 ms |
344 KB |
Output is correct |
75 |
Correct |
0 ms |
344 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
348 KB |
Output is correct |
78 |
Correct |
1 ms |
348 KB |
Output is correct |
79 |
Correct |
14 ms |
1224 KB |
Output is correct |
80 |
Correct |
1043 ms |
71344 KB |
Output is correct |
81 |
Correct |
982 ms |
70832 KB |
Output is correct |
82 |
Correct |
994 ms |
70588 KB |
Output is correct |
83 |
Correct |
975 ms |
71608 KB |
Output is correct |
84 |
Correct |
981 ms |
71752 KB |
Output is correct |
85 |
Correct |
1014 ms |
69820 KB |
Output is correct |
86 |
Correct |
330 ms |
26568 KB |
Output is correct |
87 |
Correct |
0 ms |
344 KB |
Output is correct |