#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int q;
ll a, b;
cin >> q >> a >> b;
ll p = (a / __gcd(a, b + 1)) * b;
set<pair<ll, ll>> s;
function<void(ll, ll)> Add = [&] (ll l, ll r) {
auto it = s.lower_bound({l, 0});
ll mn = 2e18; ll mx = -1;
while (it != s.end() && (*it).second <= r) {
smin(mn, (*it).second);
smax(mx, (*it).first);
it = s.erase(it);
}
smin(mn, l);
smax(mx, r);
s.insert({mx, mn});
};
while (q--) {
ll l, r;
cin >> l >> r;
if (r - l + 1 >= p) {Add(0, p - 1); continue;}
l %= p;
r %= p;
if (l > r) {Add(l, p - 1); Add(0, r);}
else Add(l, r);
}
ll ans = 0;
for (auto u : s) {
ans += u.first - u.second + 1;
}
cout << ans << en;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
7 ms |
1232 KB |
Output is correct |
3 |
Correct |
6 ms |
1256 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
5 ms |
1216 KB |
Output is correct |
17 |
Correct |
63 ms |
10188 KB |
Output is correct |
18 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
376 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
297 ms |
25372 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
667 ms |
100116 KB |
Output is correct |
3 |
Correct |
726 ms |
100020 KB |
Output is correct |
4 |
Correct |
835 ms |
100192 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
667 ms |
100116 KB |
Output is correct |
3 |
Correct |
726 ms |
100020 KB |
Output is correct |
4 |
Correct |
835 ms |
100192 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
663 ms |
100204 KB |
Output is correct |
7 |
Correct |
733 ms |
99984 KB |
Output is correct |
8 |
Correct |
703 ms |
100252 KB |
Output is correct |
9 |
Correct |
818 ms |
100120 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
667 ms |
100116 KB |
Output is correct |
3 |
Correct |
726 ms |
100020 KB |
Output is correct |
4 |
Correct |
835 ms |
100192 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
59 ms |
10208 KB |
Output is correct |
7 |
Correct |
55 ms |
10156 KB |
Output is correct |
8 |
Correct |
77 ms |
10224 KB |
Output is correct |
9 |
Correct |
83 ms |
10188 KB |
Output is correct |
10 |
Correct |
54 ms |
10252 KB |
Output is correct |
11 |
Correct |
58 ms |
10152 KB |
Output is correct |
12 |
Correct |
59 ms |
10188 KB |
Output is correct |
13 |
Correct |
67 ms |
10244 KB |
Output is correct |
14 |
Correct |
59 ms |
10196 KB |
Output is correct |
15 |
Correct |
89 ms |
10224 KB |
Output is correct |
16 |
Correct |
66 ms |
10316 KB |
Output is correct |
17 |
Correct |
64 ms |
10212 KB |
Output is correct |
18 |
Correct |
680 ms |
100012 KB |
Output is correct |
19 |
Correct |
735 ms |
100096 KB |
Output is correct |
20 |
Correct |
776 ms |
100316 KB |
Output is correct |
21 |
Correct |
67 ms |
10220 KB |
Output is correct |
22 |
Correct |
61 ms |
10212 KB |
Output is correct |
23 |
Correct |
134 ms |
12852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
69 ms |
10144 KB |
Output is correct |
3 |
Correct |
75 ms |
10216 KB |
Output is correct |
4 |
Correct |
774 ms |
99996 KB |
Output is correct |
5 |
Correct |
74 ms |
10164 KB |
Output is correct |
6 |
Correct |
92 ms |
10192 KB |
Output is correct |
7 |
Correct |
71 ms |
10276 KB |
Output is correct |
8 |
Correct |
67 ms |
10160 KB |
Output is correct |
9 |
Correct |
70 ms |
10188 KB |
Output is correct |
10 |
Correct |
71 ms |
10220 KB |
Output is correct |
11 |
Correct |
72 ms |
10216 KB |
Output is correct |
12 |
Correct |
64 ms |
10212 KB |
Output is correct |
13 |
Correct |
68 ms |
10164 KB |
Output is correct |
14 |
Correct |
960 ms |
99984 KB |
Output is correct |
15 |
Correct |
56 ms |
9612 KB |
Output is correct |
16 |
Correct |
708 ms |
100088 KB |
Output is correct |
17 |
Correct |
696 ms |
100088 KB |
Output is correct |
18 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
7 ms |
1232 KB |
Output is correct |
3 |
Correct |
6 ms |
1256 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
5 ms |
1216 KB |
Output is correct |
17 |
Correct |
63 ms |
10188 KB |
Output is correct |
18 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |