#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
const int mx= 700 * 1000 + 3;
const int mx2=1e6+9;
typedef long long ll;
const int mod=998244353 ;
const int SQ=400;
const ll inf=1e9+10;
vector<int>cord,q[mx];
int seg[mx<<2],a[mx],b[mx],T[mx],aa[mx], bb[mx];
tree<int,null_type,greater_equal<int>,rb_tree_tag,tree_order_statistics_node_update> s;
int sz;int t;int n,k;
struct fenwick{
int n, fen[600005];
void resize(int _n){
n = _n + 1;
memset(fen, 0, sizeof fen);
}
int query(int ind){
int ans = 0;
while(ind >= 1){
ans += fen[ind];
ind -= ind & -ind;
}
return ans;
}
void update(int ind, ll val){
while(ind <= n){
fen[ind] += val;
ind += ind & -ind;
}
}
int query(int l, int r){
return query(r) - query(l - 1);
}
};
fenwick fen;
int combin(int x,int y){
if(t==0){
return (max(x,y));
}else{
return x+y;
}
}
void update(int node,int l,int r,int idx,int val){
if(l==r){
seg[node]=val;
return;
}
int mid=(l+r)/2;
if(idx<=mid){
update(node*2,l,mid,idx,val);
}else{
update(node*2+1,mid+1,r,idx,val);
}
seg[node]=combin(seg[node*2],seg[node*2+1]);
return;
}
int query(int node,int l,int r,int left,int right){
if(r<left||l>right){
if(t){return 0;}
return -1;
}
if(l>=left&&r<=right){
return seg[node];
}
int mid=(l+r)/2;
return combin(query(node*2,l,mid,left,right), query(node*2+1,mid+1,r,left,right));
}
int fin(int x){
return upper_bound(cord.begin(),cord.end(),x)-cord.begin();
}
int main(){
cin>>n>>k;
for(int i=0;i<n;i++){
cin>>a[i]>>b[i];
aa[i]=a[i];
bb[i]=b[i];
cord.push_back(a[i]);
cord.push_back(b[i]);
}
for(int i=0;i<k;i++){
cin>>T[i];
cord.push_back(T[i]);
}
cord.erase(unique(cord.begin() , cord.end()) , cord.end()) ;sort(cord.begin(),cord.end());
sz=2*n+k;
for(int i=0;i<n;i++){
a[i]=fin(a[i]);
b[i]=fin(b[i]);
}
memset(seg,-1,sizeof(seg));
for(int i=0;i<k;i++){
T[i]=fin(T[i]);
update(1,0,sz,T[i],i);
}
for(int i=0;i<n;i++){
int idx=query(1,0,sz,min(a[i],b[i]),max(a[i],b[i])-1);
q[idx+1].push_back(i);
}
t=1;
ll ans=0; memset(seg,0,sizeof(seg));
for (int i=k;i>=0;i--)
{
if(i!=k){ update(1,0,sz,T[i],1);}
for (int j:q[i])
{ int parity;
parity=query(1,0,sz,max(a[j],b[j]),sz)%2;
if(i==0)
parity ^= a[j] < b[j];
if(parity){
ans+=min(bb[j],aa[j]);
}else{
ans+=max(bb[j],aa[j]);
}
//cout<<i<<" "<<j<<" "<<parity<<"\n";
}
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
27732 KB |
Output is correct |
2 |
Correct |
20 ms |
27780 KB |
Output is correct |
3 |
Correct |
20 ms |
27712 KB |
Output is correct |
4 |
Correct |
19 ms |
27740 KB |
Output is correct |
5 |
Correct |
26 ms |
27828 KB |
Output is correct |
6 |
Correct |
17 ms |
27776 KB |
Output is correct |
7 |
Correct |
21 ms |
27732 KB |
Output is correct |
8 |
Correct |
18 ms |
27820 KB |
Output is correct |
9 |
Correct |
23 ms |
27820 KB |
Output is correct |
10 |
Correct |
18 ms |
27768 KB |
Output is correct |
11 |
Correct |
19 ms |
27732 KB |
Output is correct |
12 |
Correct |
20 ms |
27768 KB |
Output is correct |
13 |
Correct |
18 ms |
27712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
27732 KB |
Output is correct |
2 |
Correct |
20 ms |
27780 KB |
Output is correct |
3 |
Correct |
20 ms |
27712 KB |
Output is correct |
4 |
Correct |
19 ms |
27740 KB |
Output is correct |
5 |
Correct |
26 ms |
27828 KB |
Output is correct |
6 |
Correct |
17 ms |
27776 KB |
Output is correct |
7 |
Correct |
21 ms |
27732 KB |
Output is correct |
8 |
Correct |
18 ms |
27820 KB |
Output is correct |
9 |
Correct |
23 ms |
27820 KB |
Output is correct |
10 |
Correct |
18 ms |
27768 KB |
Output is correct |
11 |
Correct |
19 ms |
27732 KB |
Output is correct |
12 |
Correct |
20 ms |
27768 KB |
Output is correct |
13 |
Correct |
18 ms |
27712 KB |
Output is correct |
14 |
Correct |
46 ms |
28424 KB |
Output is correct |
15 |
Correct |
73 ms |
28804 KB |
Output is correct |
16 |
Incorrect |
137 ms |
29132 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
27732 KB |
Output is correct |
2 |
Correct |
20 ms |
27780 KB |
Output is correct |
3 |
Correct |
20 ms |
27712 KB |
Output is correct |
4 |
Correct |
19 ms |
27740 KB |
Output is correct |
5 |
Correct |
26 ms |
27828 KB |
Output is correct |
6 |
Correct |
17 ms |
27776 KB |
Output is correct |
7 |
Correct |
21 ms |
27732 KB |
Output is correct |
8 |
Correct |
18 ms |
27820 KB |
Output is correct |
9 |
Correct |
23 ms |
27820 KB |
Output is correct |
10 |
Correct |
18 ms |
27768 KB |
Output is correct |
11 |
Correct |
19 ms |
27732 KB |
Output is correct |
12 |
Correct |
20 ms |
27768 KB |
Output is correct |
13 |
Correct |
18 ms |
27712 KB |
Output is correct |
14 |
Correct |
46 ms |
28424 KB |
Output is correct |
15 |
Correct |
73 ms |
28804 KB |
Output is correct |
16 |
Incorrect |
137 ms |
29132 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |