#include <bits/stdc++.h>
#define ll long long
#define vll vector<ll>
#define vllp vector<pair<ll, ll> >
#define vi vector <int>
#define vip vector <pair <int, int> >
#define db double
#define ld long double
#define pdb pair <double, double>
#define YES cout<<"YES"
#define NO cout<<"NO"
#define nl cout<<"\n"
#define vv vector <vector <ll> >
#define pll pair <ll, ll>
#define pi pair <int, int>
#define pb push_back
#define f first
#define s second
using namespace std;
const ll mod=1e9+7;
const ll modx=998244353;
const ld eps=1e-9;
const ll INF=INT_MAX;
const ll INFINF=1e18;
const ll N=2e5;
int n, q;
vip v;
void input()
{
cin >> n >> q;
for(int i = 1; i <= n; i++)
{
int x, y;
cin >> x >> y;
v.pb({x, y});
}
}
struct Node{
vi x, y;
int lazy, x_max, x_min, y_max, y_min;
};
Node st[4*N+5];
void Nodeupdate(int id)
{
st[id].x.clear();
st[id].y.clear();
for(int i = id*2; i <= id*2+1; i++)
{
for(auto j: st[i].x) st[id].x.pb(j);
for(auto j: st[i].y) st[id].y.pb(j);
}
st[id].x_max=max(st[id*2].x_max, st[id*2+1].x_max);
st[id].y_max=max(st[id*2].y_max, st[id*2+1].y_max);
st[id].x_min=min(st[id*2].x_min, st[id*2+1].x_min);
st[id].y_min=min(st[id*2].y_min, st[id*2+1].y_min);
}
void build(int l, int r, int id)
{
st[id].lazy=0;
if(l==r)
{
st[id].x.clear();
st[id].y.clear();
st[id].x.pb(v[l-1].f);
st[id].y.pb(v[l-1].s);
st[id].x_max=v[l-1].f;
st[id].x_min=v[l-1].f;
st[id].y_max=v[l-1].s;
st[id].y_min=v[l-1].s;
return;
}
int mid=(l+r)/2;
build(l, mid, id*2);
build(mid+1, r, id*2+1);
Nodeupdate(id);
}
void Nodeswap(int id)
{
swap(st[id].x, st[id].y);
swap(st[id].x_min, st[id].y_min);
swap(st[id].x_max, st[id].y_max);
}
void push(int id)
{
st[id*2].lazy^=1;
st[id*2+1].lazy^=1;
}
void update(int l, int r, int id, int val)
{
// cout << l << " " << r << " " << id << "\n";
// cout << st[id].x_min << " " << st[id].x_max << "\n";
if(st[id].lazy)
{
Nodeswap(id);
if(l!=r) push(id);
st[id].lazy=0;
}
if(st[id].x_min>val) return;
else if(st[id].x_max<=val)
{
Nodeswap(id);
if(l!=r) push(id);
return;
}
int mid=(l+r)/2;
update(l, mid, id*2, val);
update(mid+1, r, id*2+1, val);
Nodeupdate(id);
}
void query()
{
if(st[1].lazy) Nodeswap(1);
for(int i = 0; i < n; i++) v.pb({st[1].x[i], st[1].y[i]});
}
void solve()
{
int block_size=40000;
sort(v.begin(), v.end());
build(1, n, 1);
for(int i = 1; i <= q; i++)
{
int l;
cin >> l;
if(i%block_size==0)
{
v.clear();
query();
sort(v.begin(), v.end());
build(1, n, 1);
}
update(1, n, 1, l);
}
v.clear();
query();
ll ans=0;
for(auto i: v) ans+=i.f;
cout << ans;
}
signed main()
{
// auto start_time = chrono::high_resolution_clock::now();
// freopen("SHOPPING.inp", "r", stdin);
// freopen("SHOPPING.out", "w", stdout);
srand(time(0));
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int t=1;
// cin >> t;
for(int i = 1; i <= t; i++)
{
input();
solve();
nl;
}
// auto end_time = chrono::high_resolution_clock::now();
// double duration = chrono::duration_cast<chrono::milliseconds>(end_time - start_time).count();
// cout << "\n[ " << duration << " ms ]\n";
}
/*
7 3
4 6 8 2 10 5 1
6 1 1000000000 17
4 1 1000000000 17
1 1 1000000000 17
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
30 ms |
56700 KB |
Output is correct |
2 |
Correct |
48 ms |
56776 KB |
Output is correct |
3 |
Correct |
85 ms |
56892 KB |
Output is correct |
4 |
Correct |
82 ms |
56788 KB |
Output is correct |
5 |
Correct |
88 ms |
56784 KB |
Output is correct |
6 |
Correct |
63 ms |
56860 KB |
Output is correct |
7 |
Correct |
41 ms |
56820 KB |
Output is correct |
8 |
Correct |
40 ms |
56804 KB |
Output is correct |
9 |
Correct |
29 ms |
56900 KB |
Output is correct |
10 |
Correct |
41 ms |
56800 KB |
Output is correct |
11 |
Correct |
39 ms |
56812 KB |
Output is correct |
12 |
Correct |
39 ms |
56872 KB |
Output is correct |
13 |
Correct |
38 ms |
56872 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
30 ms |
56700 KB |
Output is correct |
2 |
Correct |
48 ms |
56776 KB |
Output is correct |
3 |
Correct |
85 ms |
56892 KB |
Output is correct |
4 |
Correct |
82 ms |
56788 KB |
Output is correct |
5 |
Correct |
88 ms |
56784 KB |
Output is correct |
6 |
Correct |
63 ms |
56860 KB |
Output is correct |
7 |
Correct |
41 ms |
56820 KB |
Output is correct |
8 |
Correct |
40 ms |
56804 KB |
Output is correct |
9 |
Correct |
29 ms |
56900 KB |
Output is correct |
10 |
Correct |
41 ms |
56800 KB |
Output is correct |
11 |
Correct |
39 ms |
56812 KB |
Output is correct |
12 |
Correct |
39 ms |
56872 KB |
Output is correct |
13 |
Correct |
38 ms |
56872 KB |
Output is correct |
14 |
Execution timed out |
3051 ms |
59348 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
30 ms |
56700 KB |
Output is correct |
2 |
Correct |
48 ms |
56776 KB |
Output is correct |
3 |
Correct |
85 ms |
56892 KB |
Output is correct |
4 |
Correct |
82 ms |
56788 KB |
Output is correct |
5 |
Correct |
88 ms |
56784 KB |
Output is correct |
6 |
Correct |
63 ms |
56860 KB |
Output is correct |
7 |
Correct |
41 ms |
56820 KB |
Output is correct |
8 |
Correct |
40 ms |
56804 KB |
Output is correct |
9 |
Correct |
29 ms |
56900 KB |
Output is correct |
10 |
Correct |
41 ms |
56800 KB |
Output is correct |
11 |
Correct |
39 ms |
56812 KB |
Output is correct |
12 |
Correct |
39 ms |
56872 KB |
Output is correct |
13 |
Correct |
38 ms |
56872 KB |
Output is correct |
14 |
Execution timed out |
3051 ms |
59348 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |