Submission #934709

#	Time	Username	Problem	Language	Result	Execution time	Memory
934709		Isam	Cipele (COCI18_cipele)	C++17	9 / 90	28 ms	2944 KiB

cipele

#include<bits/stdc++.h>

using namespace std;

int N, M, L[100001], R[100001];
long long ans = 1e15;

// comma operator
//	int p = 11;
//	p = (1, 2, 3);
//	cout << p << '\n';


int get(int l){
	int tmp(0);
	for(register int i = 1; i <= N; ++i){
		tmp = max(tmp, abs(L[i] - R[l++]));
	}
	return tmp;
}

signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin >> N >> M;
	if(N > M){
		swap(N, M);
		for(register int i = 1; i <= M; ++i){
			cin >> R[i];
		}
		for(register int i = 1; i <= N; ++i){
			cin >> L[i];
		}
	}else{
		for(register int i = 1; i <= N; ++i){
			cin >> L[i];
		}
		for(register int i = 1; i <= M; ++i){
			cin >> R[i];
		}
	}
	sort(L+1,L+N+1), sort(R+1,R+M+1);
	int l(1), r{M - N}, mid, best(1);	
	while(l <= r){
		mid = l + ((r - l) >> 1);
		long long gc = get(mid);
		if(gc <= ans){
			ans = gc;
			r = mid - 1;
		}else{
			l = mid + 1;
		}
	}
	cout << ans << '\n';
	return 0;
}
/*
5 5
7 6 1 2 10
9 11 6 3 12


*/

Compilation message (stderr)

cipele.cpp: In function 'int get(int)':
cipele.cpp:16:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   16 |  for(register int i = 1; i <= N; ++i){
      |                   ^
cipele.cpp: In function 'int main()':
cipele.cpp:27:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   27 |   for(register int i = 1; i <= M; ++i){
      |                    ^
cipele.cpp:30:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   30 |   for(register int i = 1; i <= N; ++i){
      |                    ^
cipele.cpp:34:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   34 |   for(register int i = 1; i <= N; ++i){
      |                    ^
cipele.cpp:37:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   37 |   for(register int i = 1; i <= M; ++i){
      |                    ^
cipele.cpp:42:27: warning: unused variable 'best' [-Wunused-variable]
   42 |  int l(1), r{M - N}, mid, best(1);
      |                           ^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 9
• Subtask 3: 9 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9