Submission #681748

#	Time	Username	Problem	Language	Result	Execution time	Memory
681748		penguin133	Cipele (COCI18_cipele)	C++17	90 / 90	38 ms	3620 KiB

cipele

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
int n, m, L[100005], R[100005];
void solve(){
	cin >> n >> m;
	for(int i=1;i<=n;i++)cin >> L[i];
	for(int i=1;i<=m;i++)cin >> R[i];
	sort(L+1, L+1+n);
	sort(R+1, R+1+m);
	int lo = 0, hi = 2e9, ans = hi + 1;
	while(lo <= hi){
		int mid = (lo + hi) >> 1;
		int in = 1;
		bool die = 0;
		if(n < m){
			for(int i=1;i<=n;i++){
				while(in <= m && L[i] - R[in] > mid)in++;
				if(in == m + 1 || abs(L[i] - R[in]) > mid)die = 1;
				in++;
			}
		}
		else{
			for(int i=1;i<=m;i++){
				while(in <= n && R[i] - L[in] > mid)in++;
				if(in == n + 1 || abs(R[i] - L[in]) > mid)die = 1;
				in++;
			}
		}
		if(die)lo = mid + 1;
		else hi = mid - 1, ans = mid;
	}
	cout << ans;
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message (stderr)

cipele.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main(){
      | ^~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9