#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mn=2e5+10;
int a[mn],b[mn],si[mn];
vector<int>seg[mn*4];
#define mid ((l+r)>>1)
void upd(int x,int l,int r,int a,int b){
seg[x].push_back(b);
if(l==r);
else if(a<=mid)upd(x*2,l,mid,a,b);
else upd(x*2+1,mid+1,r,a,b);
}
int numg(vector<int>&v,int x){
return v.size()-(lower_bound(v.begin(),v.end(),x)-v.begin());
}
int query1(int x,int l,int r,int a,int b){
if(l==r){
if(a<=seg[x][0]&&seg[x][0]<b)return l;
else return l-1;
}
else{
if(numg(seg[x*2],a)-numg(seg[x*2],b))return query1(x*2+1,mid+1,r,a,b);
else return query1(x*2,l,mid,a,b);
}
}
bool num(int x,int l,int r,int a,int b,int c){
if(l==a&&r==b)return numg(seg[x],c)&1;
if(b<=mid)return num(x*2,l,mid,a,b,c);
else if(a>mid)return num(x*2+1,mid+1,r,a,b,c);
else return num(x*2,l,mid,a,mid,c)^num(x*2+1,mid+1,r,mid+1,b,c);
}
int main(){
cin.tie(0);
cin.sync_with_stdio(0);
int n,k;
cin>>n>>k;
for(int i=0;i<n;i++){
cin>>a[i]>>b[i];
if(a[i]>b[i]){
swap(a[i],b[i]);
si[i]=1;
}
}
for(int i=1;i<=k;i++){
int x;
cin>>x;
upd(1,1,k,i,x);
}
for(int i=1;i<mn*4;i++)sort(seg[i].begin(),seg[i].end());
ll ans=0;
for(int i=0;i<n;i++){
int t=query1(1,1,k,a[i],b[i]);
if(t)si[i]=1;
if(t<k)si[i]^=num(1,1,k,t+1,k,a[i]);
if(si[i])ans+=b[i];
else ans+=a[i];
}
printf("%lld",ans);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
18 ms |
19200 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
18 ms |
19200 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
18 ms |
19200 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
