#include <bits/stdc++.h>
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
using namespace std;
const int LOG=21;
signed main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr);
int n,A,B; cin >> n >> A >> B;
int c=0;
set<pair<int,int>> st;
for (int i = 0; i < n; i++)
{
int l,r; cin >> l >> r;
while(l<=r){
int x=(l+(int)(l/B))%A,y=l%B;
if(st.find({x,y})==st.end()) c++;
st.insert({x,y});
l++;
}
}
cout << c << "\n";
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |