// Bolatulu
#include <bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
#define kanagattandirilmagandiktarinizdan ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define pb push_back
#define pf push_front
#define eb emplace_back
#define ins insert
#define F first
#define S second
#define fx cout << fixed << setprecision(6);
#define md (tl+tr)/2
#define TL v+v, tl,md
#define TR v+v+1, md+1,tr
#define Tl t[v].l, tl,md
#define Tr t[v].r, md+1,tr
#define yes cout << "Yes\n"
#define no cout << "No\n"
#define all(x) (x).begin(), (x).end()
#define int ull
#define cnk(n,k) mod(mod(f[(n)]*binpow(f[(n)-(k)],M-2))*binpow(f[(k)],M-2))
#define cnkf(n,k) mod(mod(f[(n)]*inv[(n)-(k)])*inv[(k)])
using namespace std;
typedef complex<double> cd;
struct mine{int l;int r;int i;};
struct edge{int u;int v;int w;};
struct tree{int l;int r;int val;};
bool cmp(edge a,edge b) {
return a.w>b.w;
}
mt19937 RR((uint32_t)chrono::steady_clock::now().time_since_epoch().count());
int random(int l, int r){
return uniform_int_distribution<int>(l, r)(RR);
}
int M=998244353;
int mod1(int a,int b=M) {
if (a<0)
a=b+a%b;
return a % b;
}
int binpow(int a,int n,int m=M) {
a=mod1(a,m);
if (!n)
return 1;
if (n&1)
return (a * binpow(a,n-1))%m;
int x = binpow(a,n>>1);
return (x*x)%m;
}
const double pi = acos(-1);
const cd I = sqrt(cd(-1));
const int INF=1e18+7;
const int N=1e6+7;
const int root = 5;
const int root_1 = 4404020;
const int root_pw = 1 << 20;
int mod=7340033;
int n,A,B,l[N],r[N],m;
set <int> s;
map <int,int> add,del;
void addf(int l,int r) {
s.insert(l);
add[l]++;
s.insert(r+1);
add[r+1]--;
}
void solve() {
cin >> n >> A >> B;
db d=A*B/__gcd(A,B+1);
// cout << d << ' ';
if (INF>=d)
m=d;
else
m=INF;
for (int i=1;i<=n;i++) {
cin >> l[i] >> r[i];
if (r[i]-l[i]+1>=m) {
cout << m;
return;
}
int posl=(l[i])%m;
int posr=(r[i])%m;
if (posl<=posr)
addf(posl,posr);
else {
addf(posl,m-1);
addf(0,posr);
}
}
int cnt=0,ans=0,last=0;
for (auto now : s) {
if (cnt>0)
ans+=(now-last);
cnt+=add[now];
last=now;
}
cout << ans;
}
signed main() {
/*
freopen("sequence.in", "r", stdin);
freopen("sequence.out", "w", stdout);
*/
// fx
kanagattandirilmagandiktarinizdan
int test = 1, count = 1;
// cin >> test;
while (test--) {
// cout << "Case " << count << ":\n";
solve();
if (test) {
cout << '\n';
count++;
}
}
return 0;
}
// ctrl + shift + p make stress isis__Good isis__Generator
// g++ -std=c++17 (path) -o run
// .\run
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
7 ms |
3696 KB |
Output is correct |
3 |
Correct |
7 ms |
3740 KB |
Output is correct |
4 |
Correct |
1 ms |
2384 KB |
Output is correct |
5 |
Correct |
1 ms |
2384 KB |
Output is correct |
6 |
Correct |
1 ms |
2384 KB |
Output is correct |
7 |
Correct |
1 ms |
2384 KB |
Output is correct |
8 |
Correct |
1 ms |
2480 KB |
Output is correct |
9 |
Correct |
1 ms |
2384 KB |
Output is correct |
10 |
Correct |
1 ms |
2384 KB |
Output is correct |
11 |
Correct |
1 ms |
2384 KB |
Output is correct |
12 |
Correct |
1 ms |
2384 KB |
Output is correct |
13 |
Correct |
1 ms |
2384 KB |
Output is correct |
14 |
Correct |
1 ms |
2384 KB |
Output is correct |
15 |
Correct |
1 ms |
2384 KB |
Output is correct |
16 |
Correct |
6 ms |
3628 KB |
Output is correct |
17 |
Correct |
74 ms |
17736 KB |
Output is correct |
18 |
Correct |
1 ms |
2384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
1 ms |
2384 KB |
Output is correct |
3 |
Correct |
1 ms |
2388 KB |
Output is correct |
4 |
Correct |
1 ms |
2388 KB |
Output is correct |
5 |
Correct |
1 ms |
2388 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2552 KB |
Output is correct |
2 |
Correct |
2 ms |
2640 KB |
Output is correct |
3 |
Correct |
2 ms |
2640 KB |
Output is correct |
4 |
Correct |
2 ms |
2640 KB |
Output is correct |
5 |
Correct |
184 ms |
41476 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
761 ms |
125548 KB |
Output is correct |
3 |
Correct |
825 ms |
163024 KB |
Output is correct |
4 |
Correct |
900 ms |
162700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
761 ms |
125548 KB |
Output is correct |
3 |
Correct |
825 ms |
163024 KB |
Output is correct |
4 |
Correct |
900 ms |
162700 KB |
Output is correct |
5 |
Correct |
1 ms |
2388 KB |
Output is correct |
6 |
Correct |
766 ms |
162892 KB |
Output is correct |
7 |
Correct |
816 ms |
162780 KB |
Output is correct |
8 |
Correct |
825 ms |
162784 KB |
Output is correct |
9 |
Correct |
979 ms |
162924 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
761 ms |
125548 KB |
Output is correct |
3 |
Correct |
825 ms |
163024 KB |
Output is correct |
4 |
Correct |
900 ms |
162700 KB |
Output is correct |
5 |
Correct |
1 ms |
2388 KB |
Output is correct |
6 |
Correct |
64 ms |
21276 KB |
Output is correct |
7 |
Correct |
65 ms |
21324 KB |
Output is correct |
8 |
Correct |
66 ms |
21324 KB |
Output is correct |
9 |
Correct |
72 ms |
21396 KB |
Output is correct |
10 |
Correct |
66 ms |
21324 KB |
Output is correct |
11 |
Correct |
64 ms |
21332 KB |
Output is correct |
12 |
Correct |
73 ms |
21388 KB |
Output is correct |
13 |
Correct |
77 ms |
21324 KB |
Output is correct |
14 |
Correct |
67 ms |
21332 KB |
Output is correct |
15 |
Correct |
85 ms |
21320 KB |
Output is correct |
16 |
Correct |
81 ms |
21324 KB |
Output is correct |
17 |
Correct |
71 ms |
21324 KB |
Output is correct |
18 |
Correct |
783 ms |
162724 KB |
Output is correct |
19 |
Correct |
814 ms |
162712 KB |
Output is correct |
20 |
Correct |
892 ms |
162892 KB |
Output is correct |
21 |
Correct |
60 ms |
21324 KB |
Output is correct |
22 |
Correct |
64 ms |
21324 KB |
Output is correct |
23 |
Correct |
77 ms |
23388 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2556 KB |
Output is correct |
2 |
Correct |
85 ms |
21320 KB |
Output is correct |
3 |
Correct |
82 ms |
21296 KB |
Output is correct |
4 |
Correct |
972 ms |
162700 KB |
Output is correct |
5 |
Correct |
80 ms |
21324 KB |
Output is correct |
6 |
Correct |
93 ms |
21380 KB |
Output is correct |
7 |
Correct |
83 ms |
21324 KB |
Output is correct |
8 |
Correct |
83 ms |
21416 KB |
Output is correct |
9 |
Correct |
85 ms |
21324 KB |
Output is correct |
10 |
Correct |
68 ms |
21328 KB |
Output is correct |
11 |
Correct |
69 ms |
21580 KB |
Output is correct |
12 |
Correct |
76 ms |
21324 KB |
Output is correct |
13 |
Correct |
82 ms |
21324 KB |
Output is correct |
14 |
Correct |
961 ms |
162680 KB |
Output is correct |
15 |
Correct |
65 ms |
21324 KB |
Output is correct |
16 |
Correct |
803 ms |
162688 KB |
Output is correct |
17 |
Correct |
763 ms |
162804 KB |
Output is correct |
18 |
Correct |
1 ms |
2388 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
7 ms |
3696 KB |
Output is correct |
3 |
Correct |
7 ms |
3740 KB |
Output is correct |
4 |
Correct |
1 ms |
2384 KB |
Output is correct |
5 |
Correct |
1 ms |
2384 KB |
Output is correct |
6 |
Correct |
1 ms |
2384 KB |
Output is correct |
7 |
Correct |
1 ms |
2384 KB |
Output is correct |
8 |
Correct |
1 ms |
2480 KB |
Output is correct |
9 |
Correct |
1 ms |
2384 KB |
Output is correct |
10 |
Correct |
1 ms |
2384 KB |
Output is correct |
11 |
Correct |
1 ms |
2384 KB |
Output is correct |
12 |
Correct |
1 ms |
2384 KB |
Output is correct |
13 |
Correct |
1 ms |
2384 KB |
Output is correct |
14 |
Correct |
1 ms |
2384 KB |
Output is correct |
15 |
Correct |
1 ms |
2384 KB |
Output is correct |
16 |
Correct |
6 ms |
3628 KB |
Output is correct |
17 |
Correct |
74 ms |
17736 KB |
Output is correct |
18 |
Correct |
1 ms |
2384 KB |
Output is correct |
19 |
Correct |
1 ms |
2384 KB |
Output is correct |
20 |
Correct |
1 ms |
2384 KB |
Output is correct |
21 |
Correct |
1 ms |
2388 KB |
Output is correct |
22 |
Correct |
1 ms |
2388 KB |
Output is correct |
23 |
Correct |
1 ms |
2388 KB |
Output is correct |
24 |
Correct |
1 ms |
2552 KB |
Output is correct |
25 |
Correct |
2 ms |
2640 KB |
Output is correct |
26 |
Correct |
2 ms |
2640 KB |
Output is correct |
27 |
Correct |
2 ms |
2640 KB |
Output is correct |
28 |
Correct |
184 ms |
41476 KB |
Output is correct |
29 |
Correct |
1 ms |
2384 KB |
Output is correct |
30 |
Correct |
761 ms |
125548 KB |
Output is correct |
31 |
Correct |
825 ms |
163024 KB |
Output is correct |
32 |
Correct |
900 ms |
162700 KB |
Output is correct |
33 |
Correct |
1 ms |
2388 KB |
Output is correct |
34 |
Correct |
766 ms |
162892 KB |
Output is correct |
35 |
Correct |
816 ms |
162780 KB |
Output is correct |
36 |
Correct |
825 ms |
162784 KB |
Output is correct |
37 |
Correct |
979 ms |
162924 KB |
Output is correct |
38 |
Correct |
1 ms |
2388 KB |
Output is correct |
39 |
Correct |
64 ms |
21276 KB |
Output is correct |
40 |
Correct |
65 ms |
21324 KB |
Output is correct |
41 |
Correct |
66 ms |
21324 KB |
Output is correct |
42 |
Correct |
72 ms |
21396 KB |
Output is correct |
43 |
Correct |
66 ms |
21324 KB |
Output is correct |
44 |
Correct |
64 ms |
21332 KB |
Output is correct |
45 |
Correct |
73 ms |
21388 KB |
Output is correct |
46 |
Correct |
77 ms |
21324 KB |
Output is correct |
47 |
Correct |
67 ms |
21332 KB |
Output is correct |
48 |
Correct |
85 ms |
21320 KB |
Output is correct |
49 |
Correct |
81 ms |
21324 KB |
Output is correct |
50 |
Correct |
71 ms |
21324 KB |
Output is correct |
51 |
Correct |
783 ms |
162724 KB |
Output is correct |
52 |
Correct |
814 ms |
162712 KB |
Output is correct |
53 |
Correct |
892 ms |
162892 KB |
Output is correct |
54 |
Correct |
60 ms |
21324 KB |
Output is correct |
55 |
Correct |
64 ms |
21324 KB |
Output is correct |
56 |
Correct |
77 ms |
23388 KB |
Output is correct |
57 |
Correct |
1 ms |
2556 KB |
Output is correct |
58 |
Correct |
85 ms |
21320 KB |
Output is correct |
59 |
Correct |
82 ms |
21296 KB |
Output is correct |
60 |
Correct |
972 ms |
162700 KB |
Output is correct |
61 |
Correct |
80 ms |
21324 KB |
Output is correct |
62 |
Correct |
93 ms |
21380 KB |
Output is correct |
63 |
Correct |
83 ms |
21324 KB |
Output is correct |
64 |
Correct |
83 ms |
21416 KB |
Output is correct |
65 |
Correct |
85 ms |
21324 KB |
Output is correct |
66 |
Correct |
68 ms |
21328 KB |
Output is correct |
67 |
Correct |
69 ms |
21580 KB |
Output is correct |
68 |
Correct |
76 ms |
21324 KB |
Output is correct |
69 |
Correct |
82 ms |
21324 KB |
Output is correct |
70 |
Correct |
961 ms |
162680 KB |
Output is correct |
71 |
Correct |
65 ms |
21324 KB |
Output is correct |
72 |
Correct |
803 ms |
162688 KB |
Output is correct |
73 |
Correct |
763 ms |
162804 KB |
Output is correct |
74 |
Correct |
1 ms |
2388 KB |
Output is correct |
75 |
Correct |
1 ms |
2388 KB |
Output is correct |
76 |
Correct |
1 ms |
2388 KB |
Output is correct |
77 |
Correct |
1 ms |
2388 KB |
Output is correct |
78 |
Correct |
1 ms |
2388 KB |
Output is correct |
79 |
Correct |
7 ms |
3988 KB |
Output is correct |
80 |
Correct |
877 ms |
162684 KB |
Output is correct |
81 |
Correct |
854 ms |
162756 KB |
Output is correct |
82 |
Correct |
961 ms |
162920 KB |
Output is correct |
83 |
Correct |
1030 ms |
162884 KB |
Output is correct |
84 |
Correct |
1026 ms |
162844 KB |
Output is correct |
85 |
Correct |
921 ms |
162936 KB |
Output is correct |
86 |
Correct |
84 ms |
23372 KB |
Output is correct |
87 |
Correct |
1 ms |
2388 KB |
Output is correct |