#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
#define pii pair <int , int>
#define F first
#define S second
#define Mx first
#define Mn second
const int N = 2e5 + 5, inf = 1e9 + 1;
int a[N], b[N], S[N], p[N], n, k, timer = 0;
pii A[N];
struct Node {
vector <int> NQ, Suf;
vector <pii> SQ;
} seg[N<<2];
void NOTQ(int l, int r, int L = 0, int R = n, int id = 1) {
if (r <= L || R <= l) return ;
if (l <= L && R <= r) {
seg[id].NQ.push_back(timer);
return ;
}
int mid = (L+R)>>1;
NOTQ(l, r, L, mid, id<<1);
NOTQ(l, r, mid, R, id<<1|1);
}
void SETQ(int l, int r, int val, int L = 0, int R = n, int id = 1) {
if (r <= L || R <= l) return ;
if (l <= L && R <= r) {
seg[id].SQ.push_back({val, timer});
return ;
}
int mid = (L+R)>>1;
SETQ(l, r, val, L, mid, id<<1);
SETQ(l, r, val, mid, R, id<<1|1);
}
int GET(int l, int L = 0, int R = n, int id = 1) {
int t = 0;
if (seg[id].SQ.size()) {
int x = lower_bound(all(seg[id].SQ), make_pair(A[l].Mn, 0)) - seg[id].SQ.begin();
t = seg[id].Suf[x];
}
if (R - L == 1) return t;
int mid = (L+R)>>1;
if (l < mid) return max(t, GET(l, L, mid, id<<1));
else return max(t, GET(l, mid, R, id<<1|1));
}
int GET2(int l, int t, int L = 0, int R = n, int id = 1) {
int r = 0;
if (seg[id].NQ.size()) {
int x = lower_bound(all(seg[id].NQ), t) - seg[id].NQ.begin();
r = seg[id].NQ.size() - x;
}
if (R - L == 1) return r;
int mid = (L+R)>>1;
if (l < mid) return r + GET2(l, t, L, mid, id<<1);
else return r + GET2(l, t, mid, R, id<<1|1);
}
void FixEverything(int L = 0, int R = n, int id = 1) {
sort(all(seg[id].SQ)), sort(all(seg[id].NQ));
seg[id].Suf.resize(seg[id].SQ.size() + 1);
for (int i = seg[id].SQ.size() - 1; i >= 0; i--) seg[id].Suf[i] = max(seg[id].Suf[i+1], seg[id].SQ[i].S);
if (R - L == 1) return ;
int mid = (L+R)>>1;
FixEverything(L, mid, id<<1);
FixEverything(mid, R, id<<1|1);
}
bool cmp(int i, int j) {return A[i] < A[j];}
int main()
{
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin >> n >> k;
for (int i = 0; i < n; i++) {
cin >> a[i] >> b[i];
A[i].Mn = a[i], A[i].Mx = b[i], p[i] = i;
if (A[i].Mn > A[i].Mx) swap(A[i].Mn, A[i].Mx), S[i] = 1;
}
sort(p, p + n, cmp), sort(A, A + n);
for (int i = 0; i < n; i++) if (S[p[i]] == 1) SETQ(i, i + 1, inf);
for (timer++; timer <= k; timer++) {
int t; cin >> t;
int x = upper_bound(A, A + n, make_pair(t, inf)) - A;
NOTQ(0, x), SETQ(x, n, t);
}
FixEverything();
long long ans = 0;
for (int i = 0; i < n; i++) {
int t = GET(i);
int x = GET2(i, t)&1;
if (t != 0) S[p[i]] = 1;
if ((S[p[i]]^x) == 1) ans += A[i].Mx;
else ans += A[i].Mn;
}
cout << ans << "\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
38 ms |
56824 KB |
Output is correct |
2 |
Correct |
38 ms |
56944 KB |
Output is correct |
3 |
Correct |
38 ms |
56952 KB |
Output is correct |
4 |
Correct |
38 ms |
56960 KB |
Output is correct |
5 |
Correct |
38 ms |
56960 KB |
Output is correct |
6 |
Correct |
39 ms |
56952 KB |
Output is correct |
7 |
Correct |
38 ms |
56952 KB |
Output is correct |
8 |
Correct |
39 ms |
56952 KB |
Output is correct |
9 |
Correct |
38 ms |
56824 KB |
Output is correct |
10 |
Correct |
39 ms |
56960 KB |
Output is correct |
11 |
Correct |
38 ms |
56960 KB |
Output is correct |
12 |
Correct |
38 ms |
56960 KB |
Output is correct |
13 |
Correct |
38 ms |
56960 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
38 ms |
56824 KB |
Output is correct |
2 |
Correct |
38 ms |
56944 KB |
Output is correct |
3 |
Correct |
38 ms |
56952 KB |
Output is correct |
4 |
Correct |
38 ms |
56960 KB |
Output is correct |
5 |
Correct |
38 ms |
56960 KB |
Output is correct |
6 |
Correct |
39 ms |
56952 KB |
Output is correct |
7 |
Correct |
38 ms |
56952 KB |
Output is correct |
8 |
Correct |
39 ms |
56952 KB |
Output is correct |
9 |
Correct |
38 ms |
56824 KB |
Output is correct |
10 |
Correct |
39 ms |
56960 KB |
Output is correct |
11 |
Correct |
38 ms |
56960 KB |
Output is correct |
12 |
Correct |
38 ms |
56960 KB |
Output is correct |
13 |
Correct |
38 ms |
56960 KB |
Output is correct |
14 |
Correct |
65 ms |
59576 KB |
Output is correct |
15 |
Correct |
97 ms |
62456 KB |
Output is correct |
16 |
Correct |
136 ms |
65588 KB |
Output is correct |
17 |
Correct |
178 ms |
68724 KB |
Output is correct |
18 |
Correct |
177 ms |
68720 KB |
Output is correct |
19 |
Correct |
163 ms |
66808 KB |
Output is correct |
20 |
Correct |
181 ms |
68852 KB |
Output is correct |
21 |
Correct |
124 ms |
63988 KB |
Output is correct |
22 |
Correct |
130 ms |
65016 KB |
Output is correct |
23 |
Correct |
144 ms |
65656 KB |
Output is correct |
24 |
Correct |
160 ms |
67316 KB |
Output is correct |
25 |
Correct |
107 ms |
63732 KB |
Output is correct |
26 |
Correct |
145 ms |
67296 KB |
Output is correct |
27 |
Correct |
168 ms |
68444 KB |
Output is correct |
28 |
Correct |
139 ms |
66936 KB |
Output is correct |
29 |
Correct |
178 ms |
68728 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
38 ms |
56824 KB |
Output is correct |
2 |
Correct |
38 ms |
56944 KB |
Output is correct |
3 |
Correct |
38 ms |
56952 KB |
Output is correct |
4 |
Correct |
38 ms |
56960 KB |
Output is correct |
5 |
Correct |
38 ms |
56960 KB |
Output is correct |
6 |
Correct |
39 ms |
56952 KB |
Output is correct |
7 |
Correct |
38 ms |
56952 KB |
Output is correct |
8 |
Correct |
39 ms |
56952 KB |
Output is correct |
9 |
Correct |
38 ms |
56824 KB |
Output is correct |
10 |
Correct |
39 ms |
56960 KB |
Output is correct |
11 |
Correct |
38 ms |
56960 KB |
Output is correct |
12 |
Correct |
38 ms |
56960 KB |
Output is correct |
13 |
Correct |
38 ms |
56960 KB |
Output is correct |
14 |
Correct |
65 ms |
59576 KB |
Output is correct |
15 |
Correct |
97 ms |
62456 KB |
Output is correct |
16 |
Correct |
136 ms |
65588 KB |
Output is correct |
17 |
Correct |
178 ms |
68724 KB |
Output is correct |
18 |
Correct |
177 ms |
68720 KB |
Output is correct |
19 |
Correct |
163 ms |
66808 KB |
Output is correct |
20 |
Correct |
181 ms |
68852 KB |
Output is correct |
21 |
Correct |
124 ms |
63988 KB |
Output is correct |
22 |
Correct |
130 ms |
65016 KB |
Output is correct |
23 |
Correct |
144 ms |
65656 KB |
Output is correct |
24 |
Correct |
160 ms |
67316 KB |
Output is correct |
25 |
Correct |
107 ms |
63732 KB |
Output is correct |
26 |
Correct |
145 ms |
67296 KB |
Output is correct |
27 |
Correct |
168 ms |
68444 KB |
Output is correct |
28 |
Correct |
139 ms |
66936 KB |
Output is correct |
29 |
Correct |
178 ms |
68728 KB |
Output is correct |
30 |
Correct |
340 ms |
85080 KB |
Output is correct |
31 |
Correct |
614 ms |
96108 KB |
Output is correct |
32 |
Correct |
791 ms |
103628 KB |
Output is correct |
33 |
Correct |
1038 ms |
117080 KB |
Output is correct |
34 |
Correct |
82 ms |
60936 KB |
Output is correct |
35 |
Correct |
1059 ms |
117252 KB |
Output is correct |
36 |
Correct |
1093 ms |
117336 KB |
Output is correct |
37 |
Correct |
1031 ms |
117240 KB |
Output is correct |
38 |
Correct |
890 ms |
106972 KB |
Output is correct |
39 |
Correct |
1040 ms |
116964 KB |
Output is correct |
40 |
Correct |
440 ms |
87396 KB |
Output is correct |
41 |
Correct |
1010 ms |
114260 KB |
Output is correct |
42 |
Correct |
1024 ms |
116068 KB |
Output is correct |
43 |
Correct |
241 ms |
79596 KB |
Output is correct |
44 |
Correct |
242 ms |
79596 KB |
Output is correct |
45 |
Correct |
251 ms |
79808 KB |
Output is correct |
46 |
Correct |
767 ms |
105824 KB |
Output is correct |
47 |
Correct |
952 ms |
114264 KB |
Output is correct |
48 |
Correct |
816 ms |
114156 KB |
Output is correct |
49 |
Correct |
776 ms |
106340 KB |
Output is correct |