문제
링크
풀이
#include <algorithm>
#include <cmath>
#include <iostream>
#include <vector>
using namespace std;
void solve(void) {
int n; cin >> n;
vector<int> a(n);
for (int i=0; i<n; i++) cin >> a[i];
int m; cin >> m;
vector<int> b(m);
for (int i=0; i<m; i++) cin >> b[i];
int ans = 1e9;
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
ans = min(ans, abs(a[i] - b[j]));
}
}
cout << ans << "\n";
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t; cin >> t;
while (t--) solve();
return 0;
}