#include<bits/stdc++.h>
using namespace std;
#define int long long
int n, A, B, D;
int get(int n) {
return n - (n - 1) / D;
}
signed main() {
#ifdef HOME
freopen("input.txt", "r", stdin);
#else
ios_base::sync_with_stdio(0); cin.tie(0);
#endif
cin >> n >> A >> B;
D = A / __gcd(A, B + 1);
if (n != 1) {
exit(1);
}
{
int l, r;
cin >> l >> r;
if (l / B == r / B) {
cout << r - l + 1 << '\n';
exit(0);
}
int l1 = ((l + B - 1) / B) * B;
int r1 = (r / B) * B - 1;
int c = 0;
if (l1 <= r1) {
c = (r1 - l1 + 1) / B;
}
// [l % B; B - 1]
// [0; r % B]
int tl = r % B, tr = l % B;
if (tl < tr) {
int len = tr - tl - 1;
cout << get(c) * len + get(c + 1) * (B - len) << '\n';
}
else {
int len = tl - tr + 1;
cout << get(c + 2) * len + get(c + 1) * (B - len) << '\n';
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
376 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
376 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
372 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
372 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
372 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
376 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
2 ms |
376 KB |
Execution failed because the return code was nonzero |
3 |
Halted |
0 ms |
0 KB |
- |