#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
ll n,A,B,mod,ans;
vector<pll> v;
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
cin>>n>>A>>B;
A=A/__gcd(A,B+1);
if (A>2e18/B || A>2e18/B) mod=2e18;
else mod=A*B;
while (n--) {
ll l,r;
cin>>l>>r;
if (r-l+1>=mod) {
cout<<mod;
return 0;
}
l%=mod;
r%=mod;
if (l<=r) v.push_back(pll(l,r));
else v.push_back(pll(l,mod-1)), v.push_back(pll(0,r));
}
sort(v.begin(),v.end());
ll l=v[0].first, r=v[0].second;
for (auto s : v) {
if (s.first<=r) {
r=max(r,s.second);
} else {
ans+=r-l+1;
l=s.first; r=s.second;
}
}
ans+=r-l+1;
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
4 ms |
600 KB |
Output is correct |
3 |
Correct |
5 ms |
984 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
5 ms |
1052 KB |
Output is correct |
17 |
Correct |
48 ms |
5612 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 |
0 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 |
297 ms |
41212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
379 ms |
16812 KB |
Output is correct |
3 |
Correct |
373 ms |
16972 KB |
Output is correct |
4 |
Correct |
378 ms |
16832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
379 ms |
16812 KB |
Output is correct |
3 |
Correct |
373 ms |
16972 KB |
Output is correct |
4 |
Correct |
378 ms |
16832 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
365 ms |
16804 KB |
Output is correct |
7 |
Correct |
387 ms |
16776 KB |
Output is correct |
8 |
Correct |
363 ms |
16812 KB |
Output is correct |
9 |
Correct |
426 ms |
16808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
379 ms |
16812 KB |
Output is correct |
3 |
Correct |
373 ms |
16972 KB |
Output is correct |
4 |
Correct |
378 ms |
16832 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
40 ms |
2440 KB |
Output is correct |
7 |
Correct |
42 ms |
5616 KB |
Output is correct |
8 |
Correct |
38 ms |
5700 KB |
Output is correct |
9 |
Correct |
39 ms |
5628 KB |
Output is correct |
10 |
Correct |
42 ms |
5700 KB |
Output is correct |
11 |
Correct |
47 ms |
5708 KB |
Output is correct |
12 |
Correct |
40 ms |
5608 KB |
Output is correct |
13 |
Correct |
42 ms |
5684 KB |
Output is correct |
14 |
Correct |
39 ms |
5668 KB |
Output is correct |
15 |
Correct |
44 ms |
5628 KB |
Output is correct |
16 |
Correct |
45 ms |
5628 KB |
Output is correct |
17 |
Correct |
53 ms |
5680 KB |
Output is correct |
18 |
Correct |
400 ms |
53224 KB |
Output is correct |
19 |
Correct |
403 ms |
53300 KB |
Output is correct |
20 |
Correct |
457 ms |
53256 KB |
Output is correct |
21 |
Correct |
40 ms |
5696 KB |
Output is correct |
22 |
Correct |
37 ms |
5672 KB |
Output is correct |
23 |
Correct |
162 ms |
18416 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
41 ms |
2540 KB |
Output is correct |
3 |
Correct |
46 ms |
2556 KB |
Output is correct |
4 |
Correct |
459 ms |
16980 KB |
Output is correct |
5 |
Correct |
39 ms |
2640 KB |
Output is correct |
6 |
Correct |
50 ms |
2576 KB |
Output is correct |
7 |
Correct |
41 ms |
2520 KB |
Output is correct |
8 |
Correct |
41 ms |
2536 KB |
Output is correct |
9 |
Correct |
38 ms |
2524 KB |
Output is correct |
10 |
Correct |
39 ms |
2640 KB |
Output is correct |
11 |
Correct |
40 ms |
2532 KB |
Output is correct |
12 |
Correct |
37 ms |
2624 KB |
Output is correct |
13 |
Correct |
43 ms |
2624 KB |
Output is correct |
14 |
Correct |
404 ms |
17016 KB |
Output is correct |
15 |
Correct |
40 ms |
2524 KB |
Output is correct |
16 |
Correct |
372 ms |
16856 KB |
Output is correct |
17 |
Correct |
378 ms |
16840 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
4 ms |
600 KB |
Output is correct |
3 |
Correct |
5 ms |
984 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
5 ms |
1052 KB |
Output is correct |
17 |
Correct |
48 ms |
5612 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 |
0 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 |
297 ms |
41212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
379 ms |
16812 KB |
Output is correct |
31 |
Correct |
373 ms |
16972 KB |
Output is correct |
32 |
Correct |
378 ms |
16832 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
365 ms |
16804 KB |
Output is correct |
35 |
Correct |
387 ms |
16776 KB |
Output is correct |
36 |
Correct |
363 ms |
16812 KB |
Output is correct |
37 |
Correct |
426 ms |
16808 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
40 ms |
2440 KB |
Output is correct |
40 |
Correct |
42 ms |
5616 KB |
Output is correct |
41 |
Correct |
38 ms |
5700 KB |
Output is correct |
42 |
Correct |
39 ms |
5628 KB |
Output is correct |
43 |
Correct |
42 ms |
5700 KB |
Output is correct |
44 |
Correct |
47 ms |
5708 KB |
Output is correct |
45 |
Correct |
40 ms |
5608 KB |
Output is correct |
46 |
Correct |
42 ms |
5684 KB |
Output is correct |
47 |
Correct |
39 ms |
5668 KB |
Output is correct |
48 |
Correct |
44 ms |
5628 KB |
Output is correct |
49 |
Correct |
45 ms |
5628 KB |
Output is correct |
50 |
Correct |
53 ms |
5680 KB |
Output is correct |
51 |
Correct |
400 ms |
53224 KB |
Output is correct |
52 |
Correct |
403 ms |
53300 KB |
Output is correct |
53 |
Correct |
457 ms |
53256 KB |
Output is correct |
54 |
Correct |
40 ms |
5696 KB |
Output is correct |
55 |
Correct |
37 ms |
5672 KB |
Output is correct |
56 |
Correct |
162 ms |
18416 KB |
Output is correct |
57 |
Correct |
0 ms |
212 KB |
Output is correct |
58 |
Correct |
41 ms |
2540 KB |
Output is correct |
59 |
Correct |
46 ms |
2556 KB |
Output is correct |
60 |
Correct |
459 ms |
16980 KB |
Output is correct |
61 |
Correct |
39 ms |
2640 KB |
Output is correct |
62 |
Correct |
50 ms |
2576 KB |
Output is correct |
63 |
Correct |
41 ms |
2520 KB |
Output is correct |
64 |
Correct |
41 ms |
2536 KB |
Output is correct |
65 |
Correct |
38 ms |
2524 KB |
Output is correct |
66 |
Correct |
39 ms |
2640 KB |
Output is correct |
67 |
Correct |
40 ms |
2532 KB |
Output is correct |
68 |
Correct |
37 ms |
2624 KB |
Output is correct |
69 |
Correct |
43 ms |
2624 KB |
Output is correct |
70 |
Correct |
404 ms |
17016 KB |
Output is correct |
71 |
Correct |
40 ms |
2524 KB |
Output is correct |
72 |
Correct |
372 ms |
16856 KB |
Output is correct |
73 |
Correct |
378 ms |
16840 KB |
Output is correct |
74 |
Correct |
1 ms |
320 KB |
Output is correct |
75 |
Correct |
0 ms |
212 KB |
Output is correct |
76 |
Correct |
1 ms |
212 KB |
Output is correct |
77 |
Correct |
1 ms |
212 KB |
Output is correct |
78 |
Correct |
1 ms |
316 KB |
Output is correct |
79 |
Correct |
4 ms |
980 KB |
Output is correct |
80 |
Correct |
468 ms |
53336 KB |
Output is correct |
81 |
Correct |
467 ms |
53284 KB |
Output is correct |
82 |
Correct |
429 ms |
53184 KB |
Output is correct |
83 |
Correct |
434 ms |
53216 KB |
Output is correct |
84 |
Correct |
446 ms |
53316 KB |
Output is correct |
85 |
Correct |
437 ms |
53264 KB |
Output is correct |
86 |
Correct |
128 ms |
18436 KB |
Output is correct |
87 |
Correct |
1 ms |
256 KB |
Output is correct |