#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
ll n,m;cin>>n>>m;
vector<ll>a,b;
for(ll i=0;i<n;i++){
ll k;cin>>k;
a.push_back(k);
}
for(ll i=0;i<m;i++){
ll k;cin>>k;
b.push_back(k);
}
if(n>m)swap(a,b);
map<ll,bool>vis;
ll ans=0;
for(ll i=0;i<n;i++){
ll mn=1e18;
ll idx=0;
for(ll j=0;j<m;j++){
if(vis[j])continue;
ll y=abs(a[i]-b[j]);
if(y<mn){
mn=y;
idx=j;
}
}
vis[j]=1;
ans=max(ans,mn);
}
cout<<ans<<endl;
return 0;
}
Compilation message
cipele.cpp: In function 'int main()':
cipele.cpp:35:13: error: 'j' was not declared in this scope
35 | vis[j]=1;
| ^
