#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pii;
void solve() {
ll n, a, b; cin>>n>>a>>b;
a/=__gcd(a, b+1);
ll md=1e18+10;
if (a <= LLONG_MAX/b) md=a*b;
map<ll, ll> cnt;
for (int i=1; i<=n; ++i) {
ll lf, rf; cin>>lf>>rf;
if (rf-lf+1 >= md) {
cout<<md<<"\n";
return;
} lf%=md, rf%=md;
if (lf <= rf) {
++cnt[lf], --cnt[rf+1];
} else {
++cnt[lf], --cnt[md];
++cnt[0], --cnt[rf+1];
}
} vector<pii> v;
for (auto u : cnt) v.push_back(u);
ll ans=0, sz=v.size(), sm=0;
for (int i=0; i+1<sz; ++i) {
sm+=v[i].second;
if (sm > 0) ans+=v[i+1].first-v[i].first;
} cout<<ans<<"\n";
}
int main() {
int t=1; //cin>>t;
while (t--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
14 ms |
1756 KB |
Output is correct |
3 |
Correct |
12 ms |
1760 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
436 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
600 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
11 ms |
1628 KB |
Output is correct |
17 |
Correct |
119 ms |
12492 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
2 ms |
520 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Correct |
658 ms |
25620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1234 ms |
118848 KB |
Output is correct |
3 |
Correct |
1207 ms |
116908 KB |
Output is correct |
4 |
Correct |
1281 ms |
117640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1234 ms |
118848 KB |
Output is correct |
3 |
Correct |
1207 ms |
116908 KB |
Output is correct |
4 |
Correct |
1281 ms |
117640 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1207 ms |
118476 KB |
Output is correct |
7 |
Correct |
1245 ms |
118672 KB |
Output is correct |
8 |
Correct |
1251 ms |
117168 KB |
Output is correct |
9 |
Correct |
1339 ms |
117612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1234 ms |
118848 KB |
Output is correct |
3 |
Correct |
1207 ms |
116908 KB |
Output is correct |
4 |
Correct |
1281 ms |
117640 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
111 ms |
12492 KB |
Output is correct |
7 |
Correct |
111 ms |
12496 KB |
Output is correct |
8 |
Correct |
113 ms |
12488 KB |
Output is correct |
9 |
Correct |
116 ms |
12488 KB |
Output is correct |
10 |
Correct |
114 ms |
12492 KB |
Output is correct |
11 |
Correct |
111 ms |
12496 KB |
Output is correct |
12 |
Correct |
114 ms |
12488 KB |
Output is correct |
13 |
Correct |
118 ms |
12496 KB |
Output is correct |
14 |
Correct |
111 ms |
12492 KB |
Output is correct |
15 |
Correct |
119 ms |
12416 KB |
Output is correct |
16 |
Correct |
118 ms |
12488 KB |
Output is correct |
17 |
Correct |
120 ms |
12480 KB |
Output is correct |
18 |
Correct |
1189 ms |
118248 KB |
Output is correct |
19 |
Correct |
1283 ms |
117944 KB |
Output is correct |
20 |
Correct |
1301 ms |
116816 KB |
Output is correct |
21 |
Correct |
137 ms |
12528 KB |
Output is correct |
22 |
Correct |
115 ms |
12488 KB |
Output is correct |
23 |
Correct |
326 ms |
13088 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
122 ms |
12444 KB |
Output is correct |
3 |
Correct |
119 ms |
12556 KB |
Output is correct |
4 |
Correct |
1321 ms |
117856 KB |
Output is correct |
5 |
Correct |
120 ms |
12396 KB |
Output is correct |
6 |
Correct |
118 ms |
12484 KB |
Output is correct |
7 |
Correct |
122 ms |
12488 KB |
Output is correct |
8 |
Correct |
120 ms |
12432 KB |
Output is correct |
9 |
Correct |
115 ms |
12380 KB |
Output is correct |
10 |
Correct |
116 ms |
12500 KB |
Output is correct |
11 |
Correct |
115 ms |
12364 KB |
Output is correct |
12 |
Correct |
114 ms |
12352 KB |
Output is correct |
13 |
Correct |
119 ms |
12600 KB |
Output is correct |
14 |
Correct |
1377 ms |
117792 KB |
Output is correct |
15 |
Correct |
119 ms |
12756 KB |
Output is correct |
16 |
Correct |
1178 ms |
118864 KB |
Output is correct |
17 |
Correct |
1177 ms |
117388 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
14 ms |
1756 KB |
Output is correct |
3 |
Correct |
12 ms |
1760 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
436 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
600 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
11 ms |
1628 KB |
Output is correct |
17 |
Correct |
119 ms |
12492 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
604 KB |
Output is correct |
26 |
Correct |
2 ms |
520 KB |
Output is correct |
27 |
Correct |
1 ms |
604 KB |
Output is correct |
28 |
Correct |
658 ms |
25620 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1234 ms |
118848 KB |
Output is correct |
31 |
Correct |
1207 ms |
116908 KB |
Output is correct |
32 |
Correct |
1281 ms |
117640 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1207 ms |
118476 KB |
Output is correct |
35 |
Correct |
1245 ms |
118672 KB |
Output is correct |
36 |
Correct |
1251 ms |
117168 KB |
Output is correct |
37 |
Correct |
1339 ms |
117612 KB |
Output is correct |
38 |
Correct |
0 ms |
344 KB |
Output is correct |
39 |
Correct |
111 ms |
12492 KB |
Output is correct |
40 |
Correct |
111 ms |
12496 KB |
Output is correct |
41 |
Correct |
113 ms |
12488 KB |
Output is correct |
42 |
Correct |
116 ms |
12488 KB |
Output is correct |
43 |
Correct |
114 ms |
12492 KB |
Output is correct |
44 |
Correct |
111 ms |
12496 KB |
Output is correct |
45 |
Correct |
114 ms |
12488 KB |
Output is correct |
46 |
Correct |
118 ms |
12496 KB |
Output is correct |
47 |
Correct |
111 ms |
12492 KB |
Output is correct |
48 |
Correct |
119 ms |
12416 KB |
Output is correct |
49 |
Correct |
118 ms |
12488 KB |
Output is correct |
50 |
Correct |
120 ms |
12480 KB |
Output is correct |
51 |
Correct |
1189 ms |
118248 KB |
Output is correct |
52 |
Correct |
1283 ms |
117944 KB |
Output is correct |
53 |
Correct |
1301 ms |
116816 KB |
Output is correct |
54 |
Correct |
137 ms |
12528 KB |
Output is correct |
55 |
Correct |
115 ms |
12488 KB |
Output is correct |
56 |
Correct |
326 ms |
13088 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
122 ms |
12444 KB |
Output is correct |
59 |
Correct |
119 ms |
12556 KB |
Output is correct |
60 |
Correct |
1321 ms |
117856 KB |
Output is correct |
61 |
Correct |
120 ms |
12396 KB |
Output is correct |
62 |
Correct |
118 ms |
12484 KB |
Output is correct |
63 |
Correct |
122 ms |
12488 KB |
Output is correct |
64 |
Correct |
120 ms |
12432 KB |
Output is correct |
65 |
Correct |
115 ms |
12380 KB |
Output is correct |
66 |
Correct |
116 ms |
12500 KB |
Output is correct |
67 |
Correct |
115 ms |
12364 KB |
Output is correct |
68 |
Correct |
114 ms |
12352 KB |
Output is correct |
69 |
Correct |
119 ms |
12600 KB |
Output is correct |
70 |
Correct |
1377 ms |
117792 KB |
Output is correct |
71 |
Correct |
119 ms |
12756 KB |
Output is correct |
72 |
Correct |
1178 ms |
118864 KB |
Output is correct |
73 |
Correct |
1177 ms |
117388 KB |
Output is correct |
74 |
Correct |
0 ms |
348 KB |
Output is correct |
75 |
Correct |
0 ms |
348 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
436 KB |
Output is correct |
78 |
Correct |
0 ms |
344 KB |
Output is correct |
79 |
Correct |
12 ms |
1828 KB |
Output is correct |
80 |
Correct |
1237 ms |
117024 KB |
Output is correct |
81 |
Correct |
1235 ms |
116912 KB |
Output is correct |
82 |
Correct |
1262 ms |
117132 KB |
Output is correct |
83 |
Correct |
1289 ms |
118480 KB |
Output is correct |
84 |
Correct |
1344 ms |
118904 KB |
Output is correct |
85 |
Correct |
1273 ms |
118024 KB |
Output is correct |
86 |
Correct |
306 ms |
12944 KB |
Output is correct |
87 |
Correct |
1 ms |
344 KB |
Output is correct |