#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef array<ll, 2> p2;
int n;
ll A,B;
vector<p2> seq;
bool overs;
int main() {
cin.tie(0)->sync_with_stdio(0);
cin >> n >> A >> B;
seq.resize(n);
overs = (__int128)B*(A/__gcd(A,B+1)) <= 1e18;
for(auto&[l,r]: seq) {
cin >> l >> r;
}
if(overs) {
ll tp = (A/__gcd(A,B+1))*B;
for(int i = 0; i < n; i ++) {
auto&[l,r] = seq[i];
if(r-l+1>=tp) {
cout << tp;
return 0;
}
if(l%tp > r%tp) {
seq.push_back({0,r%tp});
l %= tp;
r = tp-1;
} else {
l %= tp;
r %= tp;
}
}
}
sort(seq.begin(),seq.end());
ll L = -1, R = -2, ans = 0;
for(auto[l,r]: seq) {
if(l <= R+1) {
R = max(R, r);
} else {
ans += R-L+1;
L = l;
R = r;
}
}
ans += R-L+1;
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
4 ms |
860 KB |
Output is correct |
3 |
Runtime error |
4 ms |
1208 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
456 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
1 ms |
528 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
460 KB |
Output is correct |
2 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
342 ms |
34652 KB |
Output is correct |
3 |
Runtime error |
271 ms |
52956 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
342 ms |
34652 KB |
Output is correct |
3 |
Runtime error |
271 ms |
52956 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
342 ms |
34652 KB |
Output is correct |
3 |
Runtime error |
271 ms |
52956 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
37 ms |
3912 KB |
Output is correct |
3 |
Correct |
40 ms |
3904 KB |
Output is correct |
4 |
Correct |
397 ms |
34624 KB |
Output is correct |
5 |
Correct |
35 ms |
3928 KB |
Output is correct |
6 |
Correct |
40 ms |
3932 KB |
Output is correct |
7 |
Correct |
38 ms |
3952 KB |
Output is correct |
8 |
Correct |
34 ms |
3924 KB |
Output is correct |
9 |
Correct |
33 ms |
3932 KB |
Output is correct |
10 |
Correct |
34 ms |
3932 KB |
Output is correct |
11 |
Correct |
34 ms |
3932 KB |
Output is correct |
12 |
Runtime error |
28 ms |
6968 KB |
Execution killed with signal 11 |
13 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
4 ms |
860 KB |
Output is correct |
3 |
Runtime error |
4 ms |
1208 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |