#include "bits/stdc++.h"
using namespace std;
#define pb push_back
#define endl "\n"
#define int long long
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
const int N = 2e5 + 5;
int n,k;
array<int,2> ar[N];
struct SegT{
vector<int> seg;
SegT(int n){seg.assign(4*n+5,0);}
void update(int rt,int l,int r,int ind,int u){
if(r<ind || l>ind) return;
if(l==r){
seg[rt]=max(seg[rt],u);
return;
}
int m=(l+r)/2;
update(rt*2,l,m,ind,u);update(rt*2+1,m+1,r,ind,u);
seg[rt]=max(seg[rt*2],seg[rt*2+1]);
}
int query(int rt,int l,int r,int gl,int gr){
if(r<gl || l>gr) return 0;
if(l>=gl && r<=gr) return seg[rt];
int m=(l+r)/2;
return max(query(rt*2,l,m,gl,gr),query(rt*2+1,m+1,r,gl,gr));
}
};
vector<int> seg[4*N];
int xd[N];
void build(int rt,int l,int r){
if(l==r){
seg[rt].pb(xd[l]);
return;
}
int m=(l+r)/2;
build(rt*2,l,m);build(rt*2+1,m+1,r);
int p1=0,p2=0;
while(p1<sz(seg[rt*2]) && p2<sz(seg[rt*2+1])){
if(seg[rt*2][p1] <= seg[rt*2+1][p2]) seg[rt].pb(seg[rt*2][p1++]);
else seg[rt].pb(seg[rt*2+1][p2++]);
}
while(p1<sz(seg[rt*2])) seg[rt].pb(seg[rt*2][p1++]);
while(p2<sz(seg[rt*2+1])) seg[rt].pb(seg[rt*2+1][p2++]);
}
int query(int rt,int l,int r,int gl,int gr,int x){
if(r<gl || l>gr || gl>gr || l>r) return 0;
if(l>=gl && r<=gr){
int lol=lower_bound(all(seg[rt]),x)-seg[rt].begin();
return sz(seg[rt])-lol;
}
int m=(l+r)/2;
return query(rt*2,l,m,gl,gr,x) + query(rt*2+1,m+1,r,gl,gr,x);
}
void solve(){
cin >> n >> k;
map<int,int> mp;
for(int i=1;i<=n;i++){
int a,b;
cin >> a >> b;
ar[i]={a,b};
mp[a]=mp[b]=mp[a-1]=mp[b-1]=1;
}
for(int i=1;i<=k;i++){
cin >> xd[i];
mp[xd[i]]=1;
}
int p=0;
for(auto x:mp) mp[x.first]=++p;
SegT Seg(p);
for(int i=1;i<=k;i++) Seg.update(1,1,p,mp[xd[i]],i);
build(1,1,k);
int ans=0;
for(int i=1;i<=n;i++){
if(ar[i][0]==ar[i][1]){
ans+=ar[i][0];
continue;
}
bool ok=0;
if(ar[i][0]>ar[i][1]){
swap(ar[i][0],ar[i][1]);
ok=1;
}
int hm=Seg.query(1,1,p,mp[ar[i][0]],mp[ar[i][1]-1]);
int f=query(1,1,k,hm+1,k,ar[i][1]);
if(hm) ok=1;
//cout << i << ": " << hm << " " << f << endl;
if(!ok){
if(f&1) ans+=ar[i][1];
else ans+=ar[i][0];
}
else{
if(f&1) ans+=ar[i][0];
else ans+=ar[i][1];
}
}
cout << ans << endl;
}
int32_t main(){
cin.tie(0); ios::sync_with_stdio(0);
int t=1;//cin >> t;
while(t--) solve();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
21084 KB |
Output is correct |
2 |
Correct |
6 ms |
21260 KB |
Output is correct |
3 |
Correct |
6 ms |
21596 KB |
Output is correct |
4 |
Correct |
6 ms |
21596 KB |
Output is correct |
5 |
Correct |
6 ms |
21596 KB |
Output is correct |
6 |
Correct |
6 ms |
21596 KB |
Output is correct |
7 |
Correct |
7 ms |
21596 KB |
Output is correct |
8 |
Correct |
6 ms |
21508 KB |
Output is correct |
9 |
Correct |
6 ms |
21336 KB |
Output is correct |
10 |
Correct |
5 ms |
21084 KB |
Output is correct |
11 |
Correct |
6 ms |
21340 KB |
Output is correct |
12 |
Correct |
6 ms |
21260 KB |
Output is correct |
13 |
Correct |
6 ms |
21340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
21084 KB |
Output is correct |
2 |
Correct |
6 ms |
21260 KB |
Output is correct |
3 |
Correct |
6 ms |
21596 KB |
Output is correct |
4 |
Correct |
6 ms |
21596 KB |
Output is correct |
5 |
Correct |
6 ms |
21596 KB |
Output is correct |
6 |
Correct |
6 ms |
21596 KB |
Output is correct |
7 |
Correct |
7 ms |
21596 KB |
Output is correct |
8 |
Correct |
6 ms |
21508 KB |
Output is correct |
9 |
Correct |
6 ms |
21336 KB |
Output is correct |
10 |
Correct |
5 ms |
21084 KB |
Output is correct |
11 |
Correct |
6 ms |
21340 KB |
Output is correct |
12 |
Correct |
6 ms |
21260 KB |
Output is correct |
13 |
Correct |
6 ms |
21340 KB |
Output is correct |
14 |
Correct |
35 ms |
27992 KB |
Output is correct |
15 |
Correct |
71 ms |
35408 KB |
Output is correct |
16 |
Correct |
112 ms |
43348 KB |
Output is correct |
17 |
Correct |
164 ms |
51920 KB |
Output is correct |
18 |
Correct |
171 ms |
51964 KB |
Output is correct |
19 |
Correct |
171 ms |
51920 KB |
Output is correct |
20 |
Correct |
177 ms |
52300 KB |
Output is correct |
21 |
Correct |
158 ms |
51924 KB |
Output is correct |
22 |
Correct |
94 ms |
40400 KB |
Output is correct |
23 |
Correct |
86 ms |
38348 KB |
Output is correct |
24 |
Correct |
86 ms |
37104 KB |
Output is correct |
25 |
Correct |
98 ms |
41420 KB |
Output is correct |
26 |
Correct |
97 ms |
43364 KB |
Output is correct |
27 |
Correct |
123 ms |
44616 KB |
Output is correct |
28 |
Correct |
116 ms |
44496 KB |
Output is correct |
29 |
Correct |
144 ms |
48336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
21084 KB |
Output is correct |
2 |
Correct |
6 ms |
21260 KB |
Output is correct |
3 |
Correct |
6 ms |
21596 KB |
Output is correct |
4 |
Correct |
6 ms |
21596 KB |
Output is correct |
5 |
Correct |
6 ms |
21596 KB |
Output is correct |
6 |
Correct |
6 ms |
21596 KB |
Output is correct |
7 |
Correct |
7 ms |
21596 KB |
Output is correct |
8 |
Correct |
6 ms |
21508 KB |
Output is correct |
9 |
Correct |
6 ms |
21336 KB |
Output is correct |
10 |
Correct |
5 ms |
21084 KB |
Output is correct |
11 |
Correct |
6 ms |
21340 KB |
Output is correct |
12 |
Correct |
6 ms |
21260 KB |
Output is correct |
13 |
Correct |
6 ms |
21340 KB |
Output is correct |
14 |
Correct |
35 ms |
27992 KB |
Output is correct |
15 |
Correct |
71 ms |
35408 KB |
Output is correct |
16 |
Correct |
112 ms |
43348 KB |
Output is correct |
17 |
Correct |
164 ms |
51920 KB |
Output is correct |
18 |
Correct |
171 ms |
51964 KB |
Output is correct |
19 |
Correct |
171 ms |
51920 KB |
Output is correct |
20 |
Correct |
177 ms |
52300 KB |
Output is correct |
21 |
Correct |
158 ms |
51924 KB |
Output is correct |
22 |
Correct |
94 ms |
40400 KB |
Output is correct |
23 |
Correct |
86 ms |
38348 KB |
Output is correct |
24 |
Correct |
86 ms |
37104 KB |
Output is correct |
25 |
Correct |
98 ms |
41420 KB |
Output is correct |
26 |
Correct |
97 ms |
43364 KB |
Output is correct |
27 |
Correct |
123 ms |
44616 KB |
Output is correct |
28 |
Correct |
116 ms |
44496 KB |
Output is correct |
29 |
Correct |
144 ms |
48336 KB |
Output is correct |
30 |
Correct |
341 ms |
89628 KB |
Output is correct |
31 |
Correct |
633 ms |
107756 KB |
Output is correct |
32 |
Correct |
949 ms |
127544 KB |
Output is correct |
33 |
Correct |
1628 ms |
167544 KB |
Output is correct |
34 |
Correct |
291 ms |
85760 KB |
Output is correct |
35 |
Correct |
1605 ms |
167556 KB |
Output is correct |
36 |
Correct |
1611 ms |
167432 KB |
Output is correct |
37 |
Correct |
1640 ms |
167468 KB |
Output is correct |
38 |
Correct |
1557 ms |
167624 KB |
Output is correct |
39 |
Correct |
1631 ms |
167540 KB |
Output is correct |
40 |
Correct |
1351 ms |
167092 KB |
Output is correct |
41 |
Correct |
1580 ms |
167748 KB |
Output is correct |
42 |
Correct |
1643 ms |
167608 KB |
Output is correct |
43 |
Correct |
653 ms |
129480 KB |
Output is correct |
44 |
Correct |
636 ms |
129276 KB |
Output is correct |
45 |
Correct |
637 ms |
129156 KB |
Output is correct |
46 |
Correct |
598 ms |
99780 KB |
Output is correct |
47 |
Correct |
493 ms |
90616 KB |
Output is correct |
48 |
Correct |
887 ms |
129952 KB |
Output is correct |
49 |
Correct |
850 ms |
129968 KB |
Output is correct |