#include <bits/stdc++.h>
// author: aykhn
using namespace std;
typedef long long ll;
#define TC int t; cin >> t; while (t--) _();
#define OPT ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(v) v.begin(), v.end()
#define pii pair<int, int>
#define mpr make_pair
#define eb emplace_back
#define new int32_t
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define int ll
#define ins insert
#define inf 0x3F3F3F3F
#define infll 0x3F3F3F3F3F3F3F3FLL
#define bpc __builtin_popcount
int n, a, b;
/*int x(int i)
{
return (i + i/b) % a;
}
int y(int i)
{
return i % b;
}*/
new main()
{
cin >> n >> a >> b;
int x = a/__gcd(a, b + 1) * b;
set<pii> s;
for (int i = 0; i < n; i++)
{
int a, b;
cin >> a >> b;
if (b - a + 1 >= x)
{
s.ins(mpr(1, x));
}
else
{
int l = a % x + 1;
int r = b % x + 1;
if (l <= r)
{
s.ins(mpr(l, r));
}
else
{
s.ins(mpr(l, x));
s.ins(mpr(1, r));
}
}
}
set<pii> nw;
while (s.size() > 1)
{
auto it = s.begin();
pii a = *it;
it++;
pii b = *it;
if (max(a.fi, b.fi) <= min(a.se, b.se))
{
s.erase(s.begin());
s.erase(s.begin());
s.ins(mpr(min(a.fi, b.fi), max(a.se, b.se)));
}
else
{
s.erase(s.begin());
nw.ins(a);
}
}
nw.ins(*s.begin());
int res = 0;
for (pii a : nw)
{
res += a.se - a.fi + 1;
}
cout << res << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
18 ms |
940 KB |
Output is correct |
3 |
Correct |
15 ms |
972 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
304 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
296 KB |
Output is correct |
10 |
Correct |
0 ms |
300 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
296 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
300 KB |
Output is correct |
16 |
Correct |
12 ms |
952 KB |
Output is correct |
17 |
Correct |
127 ms |
6732 KB |
Output is correct |
18 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
296 KB |
Output is correct |
5 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
2 ms |
356 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
699 ms |
420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1255 ms |
63044 KB |
Output is correct |
3 |
Correct |
1282 ms |
63052 KB |
Output is correct |
4 |
Correct |
1276 ms |
63056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1255 ms |
63044 KB |
Output is correct |
3 |
Correct |
1282 ms |
63052 KB |
Output is correct |
4 |
Correct |
1276 ms |
63056 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1379 ms |
63040 KB |
Output is correct |
7 |
Correct |
1283 ms |
63040 KB |
Output is correct |
8 |
Correct |
1344 ms |
66248 KB |
Output is correct |
9 |
Correct |
1465 ms |
66212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1255 ms |
63044 KB |
Output is correct |
3 |
Correct |
1282 ms |
63052 KB |
Output is correct |
4 |
Correct |
1276 ms |
63056 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
116 ms |
10208 KB |
Output is correct |
7 |
Correct |
117 ms |
10232 KB |
Output is correct |
8 |
Correct |
117 ms |
10196 KB |
Output is correct |
9 |
Correct |
123 ms |
10188 KB |
Output is correct |
10 |
Correct |
167 ms |
10236 KB |
Output is correct |
11 |
Correct |
143 ms |
10260 KB |
Output is correct |
12 |
Correct |
174 ms |
10256 KB |
Output is correct |
13 |
Correct |
133 ms |
10192 KB |
Output is correct |
14 |
Correct |
116 ms |
10248 KB |
Output is correct |
15 |
Correct |
132 ms |
10216 KB |
Output is correct |
16 |
Correct |
128 ms |
10148 KB |
Output is correct |
17 |
Correct |
124 ms |
10180 KB |
Output is correct |
18 |
Correct |
1345 ms |
66164 KB |
Output is correct |
19 |
Correct |
1361 ms |
66008 KB |
Output is correct |
20 |
Correct |
1426 ms |
66068 KB |
Output is correct |
21 |
Correct |
122 ms |
10188 KB |
Output is correct |
22 |
Correct |
124 ms |
10176 KB |
Output is correct |
23 |
Correct |
334 ms |
12808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
137 ms |
10184 KB |
Output is correct |
3 |
Correct |
135 ms |
10188 KB |
Output is correct |
4 |
Correct |
1371 ms |
66024 KB |
Output is correct |
5 |
Correct |
129 ms |
10152 KB |
Output is correct |
6 |
Correct |
136 ms |
10248 KB |
Output is correct |
7 |
Correct |
128 ms |
10252 KB |
Output is correct |
8 |
Correct |
138 ms |
10236 KB |
Output is correct |
9 |
Correct |
133 ms |
10144 KB |
Output is correct |
10 |
Correct |
123 ms |
10232 KB |
Output is correct |
11 |
Correct |
154 ms |
10200 KB |
Output is correct |
12 |
Correct |
140 ms |
10184 KB |
Output is correct |
13 |
Correct |
134 ms |
10192 KB |
Output is correct |
14 |
Correct |
1333 ms |
65812 KB |
Output is correct |
15 |
Correct |
116 ms |
10180 KB |
Output is correct |
16 |
Correct |
1348 ms |
65272 KB |
Output is correct |
17 |
Correct |
1443 ms |
64632 KB |
Output is correct |
18 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
18 ms |
940 KB |
Output is correct |
3 |
Correct |
15 ms |
972 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
304 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
296 KB |
Output is correct |
10 |
Correct |
0 ms |
300 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
296 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
300 KB |
Output is correct |
16 |
Correct |
12 ms |
952 KB |
Output is correct |
17 |
Correct |
127 ms |
6732 KB |
Output is correct |
18 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |