#include <bits/stdc++.h>
using namespace std;
int n,m;
int q[2000005];
int t1[2000005];
int t2[2000005];
int t3[2000005];
int t4[2000005];
pair<int,int> a[200005];
int sz;
inline void push(int x) {
if (!q[x]) return;
q[x+x]^=1;
q[x+x+1]^=1;
q[x]=0;
swap(t1[x+x],t2[x+x]);
swap(t1[x+x+1],t2[x+x+1]);
swap(t3[x+x],t4[x+x]);
swap(t3[x+x+1],t4[x+x+1]);
}
void dfs(int l,int r,int x,int y) {
if (t3[x]>y) return;
if (t1[x]<=y) {
swap(t1[x],t2[x]);
swap(t3[x],t4[x]);
q[x]^=1;
return;
}
if (l==r) return;
int mid=(l+r)>>1;
push(x);
dfs(l,mid,x+x,y);
dfs(mid+1,r,x+x+1,y);
t1[x]=max(t1[x+x],t1[x+x+1]);
t2[x]=max(t2[x+x],t2[x+x+1]);
t3[x]=min(t3[x+x],t3[x+x+1]);
t4[x]=min(t4[x+x],t4[x+x+1]);
}
long long ans=0;
void solve(int l,int r,int x) {
if (l>n) return;
if (l==r) {
ans+=t1[x];
return;
}
push(x);
int mid=(l+r)>>1;
solve(l,mid,x+x);
solve(mid+1,r,x+x+1);
}
inline bool cmp(pair<int,int> x,pair<int,int> y) {
return max(x.first,x.second)<max(y.first,y.second);
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n>>m;
for (int i=1;i<=n;++i) {
cin>>a[i].first>>a[i].second;
}
sort(a+1,a+n+1,cmp);
sz=1;
while (sz<n) sz+=sz;
for (int i=1;i<=n;++i) {
t1[sz+i-1]=a[i].first;
t2[sz+i-1]=a[i].second;
t3[sz+i-1]=a[i].first;
t4[sz+i-1]=a[i].second;
}
for (int i=sz-1;i>0;--i) {
t1[i]=max(t1[i+i],t1[i+i+1]);
t2[i]=max(t2[i+i],t2[i+i+1]);
t3[i]=min(t3[i+i],t3[i+i+1]);
t4[i]=min(t4[i+i],t4[i+i+1]);
}
int x;
for (int i=1;i<=m;++i) {
cin>>x;
dfs(1,sz,1,x);
}
solve(1,sz,1);
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
536 KB |
Output is correct |
3 |
Correct |
5 ms |
536 KB |
Output is correct |
4 |
Correct |
7 ms |
536 KB |
Output is correct |
5 |
Correct |
6 ms |
536 KB |
Output is correct |
6 |
Correct |
5 ms |
568 KB |
Output is correct |
7 |
Correct |
3 ms |
568 KB |
Output is correct |
8 |
Correct |
3 ms |
568 KB |
Output is correct |
9 |
Correct |
3 ms |
592 KB |
Output is correct |
10 |
Correct |
4 ms |
636 KB |
Output is correct |
11 |
Correct |
3 ms |
636 KB |
Output is correct |
12 |
Correct |
4 ms |
636 KB |
Output is correct |
13 |
Correct |
3 ms |
636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
536 KB |
Output is correct |
3 |
Correct |
5 ms |
536 KB |
Output is correct |
4 |
Correct |
7 ms |
536 KB |
Output is correct |
5 |
Correct |
6 ms |
536 KB |
Output is correct |
6 |
Correct |
5 ms |
568 KB |
Output is correct |
7 |
Correct |
3 ms |
568 KB |
Output is correct |
8 |
Correct |
3 ms |
568 KB |
Output is correct |
9 |
Correct |
3 ms |
592 KB |
Output is correct |
10 |
Correct |
4 ms |
636 KB |
Output is correct |
11 |
Correct |
3 ms |
636 KB |
Output is correct |
12 |
Correct |
4 ms |
636 KB |
Output is correct |
13 |
Correct |
3 ms |
636 KB |
Output is correct |
14 |
Correct |
349 ms |
1204 KB |
Output is correct |
15 |
Correct |
1243 ms |
1848 KB |
Output is correct |
16 |
Correct |
2687 ms |
2124 KB |
Output is correct |
17 |
Execution timed out |
3060 ms |
2892 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
536 KB |
Output is correct |
3 |
Correct |
5 ms |
536 KB |
Output is correct |
4 |
Correct |
7 ms |
536 KB |
Output is correct |
5 |
Correct |
6 ms |
536 KB |
Output is correct |
6 |
Correct |
5 ms |
568 KB |
Output is correct |
7 |
Correct |
3 ms |
568 KB |
Output is correct |
8 |
Correct |
3 ms |
568 KB |
Output is correct |
9 |
Correct |
3 ms |
592 KB |
Output is correct |
10 |
Correct |
4 ms |
636 KB |
Output is correct |
11 |
Correct |
3 ms |
636 KB |
Output is correct |
12 |
Correct |
4 ms |
636 KB |
Output is correct |
13 |
Correct |
3 ms |
636 KB |
Output is correct |
14 |
Correct |
349 ms |
1204 KB |
Output is correct |
15 |
Correct |
1243 ms |
1848 KB |
Output is correct |
16 |
Correct |
2687 ms |
2124 KB |
Output is correct |
17 |
Execution timed out |
3060 ms |
2892 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |