// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define pb push_back
#define sz(x) int(x.size())
using ll = long long;
template<class T> using V = vector<T>;
using vl = V<ll>;
int main() {
cin.tie(0)->sync_with_stdio(0);
int N; ll A, B; cin >> N >> A >> B;
ll C = 1LL + (B % A);
ll K = A / __gcd(C, A) * B;
V<array<ll, 2>> E;
auto add = [&](ll l, ll r) {
E.pb(array<ll, 2>{l, +1});
E.pb(array<ll, 2>{r + 1, -1});
};
for(int i = 0; i < N; i++) {
ll l, r; cin >> l >> r;
ll len = r - l + 1;
if (len >= K) add(0, K - 1);
else {
l %= K, r %= K;
if (l <= r) add(l, r);
else add(l, K - 1), add(0, r);
}
}
int have = 0; ll ans = 0;
sort(begin(E), end(E));
for(int i = 0; i < sz(E); i++) {
int j = i; while(j < sz(E) && E[j][0] == E[i][0]) {
have += E[j][1]; j++;
}
if (have && j < sz(E)) {
ll amt = E[j][0] - E[i][0];
// cout << E[j][0] << " " << E[i][0] << endl;
ans += amt;
}
i = j - 1;
}
cout << ans << nl;
exit(0-0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
4 ms |
1292 KB |
Output is correct |
3 |
Correct |
5 ms |
1248 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
4 ms |
1368 KB |
Output is correct |
17 |
Correct |
53 ms |
7636 KB |
Output is correct |
18 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
311 ms |
51216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
452 KB |
Output is correct |
2 |
Correct |
453 ms |
61028 KB |
Output is correct |
3 |
Correct |
463 ms |
60052 KB |
Output is correct |
4 |
Correct |
415 ms |
60000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
452 KB |
Output is correct |
2 |
Correct |
453 ms |
61028 KB |
Output is correct |
3 |
Correct |
463 ms |
60052 KB |
Output is correct |
4 |
Correct |
415 ms |
60000 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
451 ms |
60052 KB |
Output is correct |
7 |
Correct |
470 ms |
60048 KB |
Output is correct |
8 |
Correct |
448 ms |
64240 KB |
Output is correct |
9 |
Correct |
527 ms |
65524 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
452 KB |
Output is correct |
2 |
Correct |
453 ms |
61028 KB |
Output is correct |
3 |
Correct |
463 ms |
60052 KB |
Output is correct |
4 |
Correct |
415 ms |
60000 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
43 ms |
8768 KB |
Output is correct |
7 |
Correct |
45 ms |
8916 KB |
Output is correct |
8 |
Correct |
47 ms |
9280 KB |
Output is correct |
9 |
Correct |
51 ms |
8208 KB |
Output is correct |
10 |
Correct |
40 ms |
7632 KB |
Output is correct |
11 |
Correct |
44 ms |
8136 KB |
Output is correct |
12 |
Correct |
39 ms |
7624 KB |
Output is correct |
13 |
Correct |
50 ms |
8040 KB |
Output is correct |
14 |
Correct |
43 ms |
9160 KB |
Output is correct |
15 |
Correct |
52 ms |
8656 KB |
Output is correct |
16 |
Correct |
48 ms |
8916 KB |
Output is correct |
17 |
Correct |
42 ms |
8904 KB |
Output is correct |
18 |
Correct |
450 ms |
61264 KB |
Output is correct |
19 |
Correct |
427 ms |
60472 KB |
Output is correct |
20 |
Correct |
537 ms |
60172 KB |
Output is correct |
21 |
Correct |
49 ms |
8400 KB |
Output is correct |
22 |
Correct |
36 ms |
7884 KB |
Output is correct |
23 |
Correct |
116 ms |
26356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
51 ms |
8548 KB |
Output is correct |
3 |
Correct |
50 ms |
7116 KB |
Output is correct |
4 |
Correct |
581 ms |
60048 KB |
Output is correct |
5 |
Correct |
46 ms |
9172 KB |
Output is correct |
6 |
Correct |
47 ms |
7932 KB |
Output is correct |
7 |
Correct |
46 ms |
7880 KB |
Output is correct |
8 |
Correct |
49 ms |
8140 KB |
Output is correct |
9 |
Correct |
45 ms |
8384 KB |
Output is correct |
10 |
Correct |
49 ms |
7892 KB |
Output is correct |
11 |
Correct |
46 ms |
8096 KB |
Output is correct |
12 |
Correct |
50 ms |
8404 KB |
Output is correct |
13 |
Correct |
48 ms |
8392 KB |
Output is correct |
14 |
Correct |
509 ms |
50732 KB |
Output is correct |
15 |
Correct |
50 ms |
7620 KB |
Output is correct |
16 |
Correct |
427 ms |
60152 KB |
Output is correct |
17 |
Correct |
461 ms |
60136 KB |
Output is correct |
18 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
4 ms |
1292 KB |
Output is correct |
3 |
Correct |
5 ms |
1248 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
4 ms |
1368 KB |
Output is correct |
17 |
Correct |
53 ms |
7636 KB |
Output is correct |
18 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |