#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef vector<long long> vl;
typedef pair<long long , long long > pl;
const int N=1e6+1;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18
#define MIN -1e18
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n,m,ans,mid,mn,mx,cnt,T,sum,h1,h2,e[1234567],b[1234567],c[1234567],d[1<<20],k,i,j,l,x,y,r,z,h,a[1234567],w,c1[1234][1234];
bool used[1234567],used1[1234567];
pl p[1234567];
string s,s1[1234567];
map<ll,ll> mp;
map<pl,ll> mpl;
vector<pl> vec,vec1,ansvec;
vector<ll> v[1234567],v1[1234567];
vector<ll> vp[1234567];
set<pl> st;
set<ll> stl,str;
stack <ll> sta;
int main(){
ll A,B;
cin>>n>>A>>B;
ll L[1234567],R[1234567];
rep(i,1,n){
cin>>L[i]>>R[i];
x+=R[i]-L[i]+1;
}
if(x<=1e6){
rep(i,1,n){
rep(j,L[i],R[i]){
x = (j+j/B)%A;
y = j%B;
st.insert({x,y});
}
}
cout<<st.size();
return 0;
}
ll t = A/__gcd(A,B)*B;
rep(i,1,n){
l=L[i];
r=R[i];
if(r - l + 1 >= t)
return cout << t , 0;
l %= t, r %= t;
if(l > r){
vec.pb({l , -1});
vec.pb({t , 1});
vec.pb({0 , -1});
vec.pb({r + 1 , 1});
}
else{
vec.pb({l, -1});
vec.pb({r + 1, 1});
}
}
sort(vec.begin() , vec.end());
for(auto i : vec){
if(i.ss == 1) {
if(sta.size() == 1)
ans += i.ff - sta.top();
sta.pop();
}
else
sta.push(i.ff);
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
125944 KB |
Output is correct |
2 |
Correct |
130 ms |
138232 KB |
Output is correct |
3 |
Correct |
152 ms |
143736 KB |
Output is correct |
4 |
Correct |
71 ms |
126584 KB |
Output is correct |
5 |
Correct |
66 ms |
125944 KB |
Output is correct |
6 |
Correct |
80 ms |
126072 KB |
Output is correct |
7 |
Correct |
69 ms |
126200 KB |
Output is correct |
8 |
Correct |
75 ms |
126200 KB |
Output is correct |
9 |
Correct |
76 ms |
126844 KB |
Output is correct |
10 |
Correct |
69 ms |
125944 KB |
Output is correct |
11 |
Correct |
68 ms |
125944 KB |
Output is correct |
12 |
Correct |
68 ms |
125984 KB |
Output is correct |
13 |
Correct |
76 ms |
125944 KB |
Output is correct |
14 |
Correct |
78 ms |
125944 KB |
Output is correct |
15 |
Correct |
109 ms |
132728 KB |
Output is correct |
16 |
Correct |
110 ms |
132600 KB |
Output is correct |
17 |
Correct |
297 ms |
133880 KB |
Output is correct |
18 |
Correct |
68 ms |
125944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
69 ms |
125944 KB |
Output is correct |
2 |
Correct |
71 ms |
125944 KB |
Output is correct |
3 |
Correct |
67 ms |
125944 KB |
Output is correct |
4 |
Correct |
67 ms |
125944 KB |
Output is correct |
5 |
Correct |
69 ms |
125944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
125944 KB |
Output is correct |
2 |
Correct |
219 ms |
157944 KB |
Output is correct |
3 |
Correct |
259 ms |
157816 KB |
Output is correct |
4 |
Correct |
186 ms |
156280 KB |
Output is correct |
5 |
Correct |
1663 ms |
181260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
125944 KB |
Output is correct |
2 |
Correct |
2365 ms |
174616 KB |
Output is correct |
3 |
Incorrect |
2310 ms |
174856 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
125944 KB |
Output is correct |
2 |
Correct |
2365 ms |
174616 KB |
Output is correct |
3 |
Incorrect |
2310 ms |
174856 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
125944 KB |
Output is correct |
2 |
Correct |
2365 ms |
174616 KB |
Output is correct |
3 |
Incorrect |
2310 ms |
174856 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
125944 KB |
Output is correct |
2 |
Incorrect |
310 ms |
131852 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
125944 KB |
Output is correct |
2 |
Correct |
130 ms |
138232 KB |
Output is correct |
3 |
Correct |
152 ms |
143736 KB |
Output is correct |
4 |
Correct |
71 ms |
126584 KB |
Output is correct |
5 |
Correct |
66 ms |
125944 KB |
Output is correct |
6 |
Correct |
80 ms |
126072 KB |
Output is correct |
7 |
Correct |
69 ms |
126200 KB |
Output is correct |
8 |
Correct |
75 ms |
126200 KB |
Output is correct |
9 |
Correct |
76 ms |
126844 KB |
Output is correct |
10 |
Correct |
69 ms |
125944 KB |
Output is correct |
11 |
Correct |
68 ms |
125944 KB |
Output is correct |
12 |
Correct |
68 ms |
125984 KB |
Output is correct |
13 |
Correct |
76 ms |
125944 KB |
Output is correct |
14 |
Correct |
78 ms |
125944 KB |
Output is correct |
15 |
Correct |
109 ms |
132728 KB |
Output is correct |
16 |
Correct |
110 ms |
132600 KB |
Output is correct |
17 |
Correct |
297 ms |
133880 KB |
Output is correct |
18 |
Correct |
68 ms |
125944 KB |
Output is correct |
19 |
Correct |
69 ms |
125944 KB |
Output is correct |
20 |
Correct |
71 ms |
125944 KB |
Output is correct |
21 |
Correct |
67 ms |
125944 KB |
Output is correct |
22 |
Correct |
67 ms |
125944 KB |
Output is correct |
23 |
Correct |
69 ms |
125944 KB |
Output is correct |
24 |
Correct |
78 ms |
125944 KB |
Output is correct |
25 |
Correct |
219 ms |
157944 KB |
Output is correct |
26 |
Correct |
259 ms |
157816 KB |
Output is correct |
27 |
Correct |
186 ms |
156280 KB |
Output is correct |
28 |
Correct |
1663 ms |
181260 KB |
Output is correct |
29 |
Correct |
78 ms |
125944 KB |
Output is correct |
30 |
Correct |
2365 ms |
174616 KB |
Output is correct |
31 |
Incorrect |
2310 ms |
174856 KB |
Output isn't correct |
32 |
Halted |
0 ms |
0 KB |
- |