Submission #245902

#	Time	Username	Problem	Language	Result	Execution time	Memory
245902		alrad	Cipele (COCI18_cipele)	C++17	90 / 90	58 ms	3072 KiB

cipele

#include <bits/stdc++.h>

using namespace std;

#define N (int)1e9 + 1
#define all(x) x.begin(), x.end()

int main() {
   #ifdef judge
      ifstream cin("input.txt");
      //ofstream cout("output.txt");
   #endif // judge
   ios_base :: sync_with_stdio(0);
   cin.tie(0) , cout.tie(0);
   int n , m;
   cin >> n >> m;
   vector<int> a(n) , b(m);
   for (int i = 0; i < n; i++) {
      cin >> a[i];
   }
   for (int i = 0; i < m; i++) {
      cin >> b[i];
   }
   sort(all(a)) , sort(all(b));
   if (n > m) {
      swap(n , m);
      swap(a , b);
   }
   auto can = [&](int x) {
      bool ok = true;
      int j = 0;
      for (int i = 0; i < n; i++) {
         while (j < m && abs(a[i] - b[j]) > x) {
            j++;
         }
         if (j >= m) {
            ok = false;
            break;
         }
         j++;
      }
      return ok;
   };
   int l = 0 , r = N;
   while (l != r) {
      int mid = (l + r) >> 1;
      if (can(mid))
         r = mid;
      else
         l = mid + 1;
   }
   cout << r << '\n';
   return 0;
}

• 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