Your_Majesty @ 2023-01-20 13:05:07
#include<iostream>
#include <cmath>
#include <algorithm>
using namespace std;
int a[100010],b[100010];
int main(){
int m,n,sum=0,ans=0,mid,l,r;
cin>>m>>n;
for(int i=1;i<=m;i++){
cin>>a[i];
}
for(int i=1;i<=n;i++){
cin>>b[i];
}
for(int i=1;i<n;i++){
ans=0;
for(int j=1;j<=n-i;j++){
if(a[j]>a[j+1]){
sum=a[j];
a[j]=a[j+1];
a[j+1]=sum;
ans++;
}
}
if(ans==0) break;
}
ans=0;
for(int i=1;i<=n;i++){
l=0;
r=n+1;
while(l<r){
mid=l+(r-l)/2;
if(a[mid]<=b[i]) l=mid+1;
if(a[mid]>b[i]) r=mid;
}
// if(a[l]-b[i]>a[l-1]-b[i]) ans+=a[l-1]-b[i];
// else ans+=a[l]-b[i];
ans+=min(abs(a[l-1]-b[i]),abs(a[l]-b[i]));
}
cout<<ans;
return 0;
}
by hqc111 @ 2023-01-20 13:26:10
#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
int a[N],n,m;
int bs(int x){
int l=0,r=n+1;
while(l+1<r){
int mid=(l+r)/2;
if(a[mid]>x) r=mid;
else l=mid;
}
return min(x-a[l],a[r]-x);
}
int main(){
cin>>n>>m;
for(int i=1;i<=n;i++){
cin>>a[i];
}
sort(a+1,a+n+1);
a[0]=-0x3f3f3f3f,a[n+1]=0x3f3f3f3f;//哨兵防越界
long long sum=0;
for(int i=1;i<=m;i++){
int num;cin>>num;
sum+=bs(num);
}
cout<<sum<<endl;
}
by hqc111 @ 2023-01-20 13:27:31
加上哨兵应该就能解决TLE了