#include <bits/stdc++.h>
#define ll long long
#define task ""
using namespace std;
const ll maxn = 1e6 + 2, LG = 20, mod = 1e9 + 7, inf = 1e18;
ll n, m, k, a[maxn], b[maxn], t[maxn], fw[maxn], st[LG][maxn], res = 0;
vector<ll> v, events[maxn];
int rmq (int l, int r)
{
if (l > r) return 0;
int k = __lg(r - l + 1);
return max(st[k][l], st[k][r - (1 << k) + 1]);
}
void upd (int idx)
{
while (idx <= m)
{
fw[idx]++;
idx += (idx & (-idx));
}
}
int get (int idx)
{
int res = 0;
while (idx > 0)
{
res += fw[idx];
idx -= (idx & (-idx));
}
return res;
}
int main()
{
//freopen(task".INP", "r", stdin);
//freopen(task".OUT", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> k;
for (int i = 1; i <= n; i++)
{
cin >> a[i] >> b[i];
v.push_back(a[i]);
v.push_back(b[i]);
}
for (int i = 1; i <= k; i++)
{
cin >> t[i];
v.push_back(t[i]);
}
sort(v.begin(), v.end());
v.resize(unique(v.begin(), v.end()) - v.begin());
m = v.size();
//for (int i : v) cout << i << " ";
//cout << '\n';
for (int i = 1; i <= n; i++)
{
//cout << "before " << a[i] << " " << b[i] << '\n';
a[i] = lower_bound(v.begin(), v.end(), a[i]) - v.begin() + 1;
b[i] = lower_bound(v.begin(), v.end(), b[i]) - v.begin() + 1;
//cout << "after " << a[i] << " " << b[i] << '\n';
}
for (int i = 1; i <= k; i++)
{
t[i] = lower_bound(v.begin(), v.end(), t[i]) - v.begin() + 1;
st[0][t[i]] = i;
}
for (int j = 1; j < LG; j++)
for (int i = 1; i <= m - (1 << (j - 1)); i++)
st[j][i] = max(st[j - 1][i], st[j - 1][i + (1 << (j - 1))]);
for (int i = 1; i <= n; i++)
events[rmq(min(a[i], b[i]), max(a[i], b[i]) - 1)].push_back(i);
for (int i = k; i >= 0; i--)
{
for (int j : events[i])
{
if (i != 0)
{
if (a[j] < b[j]) swap(a[j], b[j]);
}
ll debug;
res += (debug = (((get(m) - get(max(a[j], b[j]) - 1)) & 1) ? v[b[j] - 1] : v[a[j] - 1]));
//cout << i << " " << j << " " << v[a[j] - 1] << " " << v[b[j] - 1] << " " << debug << '\n';
}
if (i != 0) upd(t[i]);
}
cout << res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
53840 KB |
Output is correct |
2 |
Correct |
7 ms |
53840 KB |
Output is correct |
3 |
Correct |
8 ms |
55888 KB |
Output is correct |
4 |
Correct |
8 ms |
56144 KB |
Output is correct |
5 |
Correct |
8 ms |
55888 KB |
Output is correct |
6 |
Correct |
9 ms |
56144 KB |
Output is correct |
7 |
Correct |
9 ms |
56136 KB |
Output is correct |
8 |
Correct |
8 ms |
56144 KB |
Output is correct |
9 |
Correct |
7 ms |
55888 KB |
Output is correct |
10 |
Correct |
7 ms |
53840 KB |
Output is correct |
11 |
Correct |
8 ms |
55888 KB |
Output is correct |
12 |
Correct |
8 ms |
55888 KB |
Output is correct |
13 |
Correct |
8 ms |
57936 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
53840 KB |
Output is correct |
2 |
Correct |
7 ms |
53840 KB |
Output is correct |
3 |
Correct |
8 ms |
55888 KB |
Output is correct |
4 |
Correct |
8 ms |
56144 KB |
Output is correct |
5 |
Correct |
8 ms |
55888 KB |
Output is correct |
6 |
Correct |
9 ms |
56144 KB |
Output is correct |
7 |
Correct |
9 ms |
56136 KB |
Output is correct |
8 |
Correct |
8 ms |
56144 KB |
Output is correct |
9 |
Correct |
7 ms |
55888 KB |
Output is correct |
10 |
Correct |
7 ms |
53840 KB |
Output is correct |
11 |
Correct |
8 ms |
55888 KB |
Output is correct |
12 |
Correct |
8 ms |
55888 KB |
Output is correct |
13 |
Correct |
8 ms |
57936 KB |
Output is correct |
14 |
Correct |
15 ms |
66944 KB |
Output is correct |
15 |
Correct |
27 ms |
73680 KB |
Output is correct |
16 |
Correct |
34 ms |
80124 KB |
Output is correct |
17 |
Correct |
43 ms |
82864 KB |
Output is correct |
18 |
Correct |
47 ms |
82884 KB |
Output is correct |
19 |
Correct |
42 ms |
82884 KB |
Output is correct |
20 |
Correct |
42 ms |
82928 KB |
Output is correct |
21 |
Correct |
41 ms |
83148 KB |
Output is correct |
22 |
Correct |
31 ms |
78540 KB |
Output is correct |
23 |
Correct |
34 ms |
74292 KB |
Output is correct |
24 |
Correct |
33 ms |
71924 KB |
Output is correct |
25 |
Correct |
35 ms |
81092 KB |
Output is correct |
26 |
Correct |
36 ms |
79812 KB |
Output is correct |
27 |
Correct |
44 ms |
79816 KB |
Output is correct |
28 |
Correct |
39 ms |
79820 KB |
Output is correct |
29 |
Correct |
47 ms |
83940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
53840 KB |
Output is correct |
2 |
Correct |
7 ms |
53840 KB |
Output is correct |
3 |
Correct |
8 ms |
55888 KB |
Output is correct |
4 |
Correct |
8 ms |
56144 KB |
Output is correct |
5 |
Correct |
8 ms |
55888 KB |
Output is correct |
6 |
Correct |
9 ms |
56144 KB |
Output is correct |
7 |
Correct |
9 ms |
56136 KB |
Output is correct |
8 |
Correct |
8 ms |
56144 KB |
Output is correct |
9 |
Correct |
7 ms |
55888 KB |
Output is correct |
10 |
Correct |
7 ms |
53840 KB |
Output is correct |
11 |
Correct |
8 ms |
55888 KB |
Output is correct |
12 |
Correct |
8 ms |
55888 KB |
Output is correct |
13 |
Correct |
8 ms |
57936 KB |
Output is correct |
14 |
Correct |
15 ms |
66944 KB |
Output is correct |
15 |
Correct |
27 ms |
73680 KB |
Output is correct |
16 |
Correct |
34 ms |
80124 KB |
Output is correct |
17 |
Correct |
43 ms |
82864 KB |
Output is correct |
18 |
Correct |
47 ms |
82884 KB |
Output is correct |
19 |
Correct |
42 ms |
82884 KB |
Output is correct |
20 |
Correct |
42 ms |
82928 KB |
Output is correct |
21 |
Correct |
41 ms |
83148 KB |
Output is correct |
22 |
Correct |
31 ms |
78540 KB |
Output is correct |
23 |
Correct |
34 ms |
74292 KB |
Output is correct |
24 |
Correct |
33 ms |
71924 KB |
Output is correct |
25 |
Correct |
35 ms |
81092 KB |
Output is correct |
26 |
Correct |
36 ms |
79812 KB |
Output is correct |
27 |
Correct |
44 ms |
79816 KB |
Output is correct |
28 |
Correct |
39 ms |
79820 KB |
Output is correct |
29 |
Correct |
47 ms |
83940 KB |
Output is correct |
30 |
Correct |
81 ms |
104896 KB |
Output is correct |
31 |
Correct |
113 ms |
122404 KB |
Output is correct |
32 |
Correct |
148 ms |
140360 KB |
Output is correct |
33 |
Correct |
230 ms |
178096 KB |
Output is correct |
34 |
Correct |
70 ms |
104128 KB |
Output is correct |
35 |
Correct |
231 ms |
178016 KB |
Output is correct |
36 |
Correct |
231 ms |
177708 KB |
Output is correct |
37 |
Correct |
228 ms |
177584 KB |
Output is correct |
38 |
Correct |
223 ms |
179376 KB |
Output is correct |
39 |
Correct |
232 ms |
177584 KB |
Output is correct |
40 |
Correct |
233 ms |
180400 KB |
Output is correct |
41 |
Correct |
221 ms |
177592 KB |
Output is correct |
42 |
Correct |
226 ms |
177580 KB |
Output is correct |
43 |
Correct |
159 ms |
179380 KB |
Output is correct |
44 |
Correct |
157 ms |
179120 KB |
Output is correct |
45 |
Correct |
155 ms |
179764 KB |
Output is correct |
46 |
Correct |
145 ms |
128392 KB |
Output is correct |
47 |
Correct |
145 ms |
110772 KB |
Output is correct |
48 |
Correct |
170 ms |
148308 KB |
Output is correct |
49 |
Correct |
168 ms |
147376 KB |
Output is correct |