#include <bits/stdc++.h>
using namespace std;
# define int long long
# define fir first
# define sec second
# define pb push_back
const int cnst = 2e5+5;
bool mutipletestcase = 0;
//bool debug = false;
int gcd(int a, int b) {return b ? gcd(b, a%b): a;}
int lcm(int a, int b) {return a/gcd(a, b)*b;}
void solve() {
int n, a, b; cin >> n >> a >> b;
// if(a*b <= 1e6) {
// int val = lcm(a, b);
// int ans = 0;
// int get[val*2+5];
// memset(get, 0, sizeof(get));
// while(n--) {
// int x, y; cin >> x >> y;
// int len = y-x+1;
// if(len > a*b) ans = val;
// x %= val;
// y %= val;
// if(y < x) y += val;
// // cerr << x << " " << y << endl;
// get[x]+=1, get[y+1] -= 1;
// }
// if(ans == val) cout << ans << endl;
// else {
// bool yes[val+5];
// memset(yes, 0, sizeof(yes));
// for(int i = 1; i<=2*val; i++) {
// get[i] += get[i-1];
// cerr << get[i] << " ";
// if(get[i]) yes[i%val] = 1;
// }
// for(int i = 0; i<val; i++) {
// if(yes[i]) ans++;
// }
// cout << ans << endl;
// }
// return;
// }
// if(b == 1) {
// }
set<pair<int, int>> st;
while(n--) {
int x, y; cin >> x >> y;
for(int i = x; i<=y; i++) {
st.insert({(i+i/b)%a, i%b});
}
}
cout << st.size() << endl;
}
signed main() {
ios_base::sync_with_stdio(false);
int t = 1;
if(mutipletestcase) cin >> t;
while(t--) solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
36 ms |
12240 KB |
Output is correct |
3 |
Correct |
51 ms |
17836 KB |
Output is correct |
4 |
Correct |
2 ms |
852 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
6 ms |
1108 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
31 ms |
6932 KB |
Output is correct |
16 |
Correct |
25 ms |
7076 KB |
Output is correct |
17 |
Correct |
45 ms |
8268 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Runtime error |
2489 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
110 ms |
32224 KB |
Output is correct |
3 |
Correct |
151 ms |
31948 KB |
Output is correct |
4 |
Correct |
94 ms |
30548 KB |
Output is correct |
5 |
Execution timed out |
5061 ms |
62452 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
388 ms |
62820 KB |
Output is correct |
3 |
Runtime error |
1312 ms |
524288 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
388 ms |
62820 KB |
Output is correct |
3 |
Runtime error |
1312 ms |
524288 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
388 ms |
62820 KB |
Output is correct |
3 |
Runtime error |
1312 ms |
524288 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Runtime error |
1195 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
36 ms |
12240 KB |
Output is correct |
3 |
Correct |
51 ms |
17836 KB |
Output is correct |
4 |
Correct |
2 ms |
852 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
6 ms |
1108 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
31 ms |
6932 KB |
Output is correct |
16 |
Correct |
25 ms |
7076 KB |
Output is correct |
17 |
Correct |
45 ms |
8268 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Runtime error |
2489 ms |
524288 KB |
Execution killed with signal 9 |
21 |
Halted |
0 ms |
0 KB |
- |