Submission #894308

#TimeUsernameProblemLanguageResultExecution timeMemory
894308vjudge1Cipele (COCI18_cipele)C++11
0 / 90
1 ms604 KiB
#include <bits/stdc++.h> #define pb push_back #define pf push_front using namespace std; #define F first #define S second typedef long long ll; #define pii pair <int, int> #define pll pair <ll, ll> typedef long double ld; const ll N = 2000 + 10; const ll mod = 1e9 + 7; ll um(ll a, ll b){ return ((1LL * a * b) % mod + mod) % mod; } ll subr(ll a, ll b){ return ((1LL * a - b) % mod + mod) % mod; } /* Восемь восемьсот пять пять пять три пять три пять Проще кому то позвонить чем у кого-то деньги занимать */ ll a[N], b[N], n, m; bool check(ll x){ if(n <= m){ ll j = 0; for(ll i = 0; i < n; i++){ while(j < m){ if(abs(b[j] - a[i]) <= x) break; else j++; } if(j < m && abs(b[j] - a[i]) <= x) j++; else return false; } } else{ ll j = 0; for(ll i = 0; i < m; i++){ while(j < n){ if(abs(a[j] - b[i]) <= x) break; else j++; } if(j < n && abs(a[j] - b[i]) <= x) j++; else return false; } } return true; } int main() { ios::sync_with_stdio(false); cin.tie(NULL); cin >> n >> m; for(ll i = 0; i < n; i++){ cin >> a[i]; } for(ll i = 0; i < m; i++){ cin >> b[i]; } sort(a, a + n); sort(b, b + m); ll l = -1, r = 1e10; while(r - l > 1){ ll mid = (r + l) / 2; if(check(mid)) r = mid; else l = mid; } cout << r; return 0; }
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