Submission #1070060

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070060		vjudge1	Sprinklers (CEOI24_sprinklers)	C++17	0 / 100	0 ms	348 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n, m;
    cin >> n >> m;
    long long int s[n];
    long long int f[m];
    for(int i = 0; i < n; i++){
        cin >> s[i];
    }
    long long int ans = -1;
    
    for(int i = 0; i < m; i++){
        cin >> f[i];
        int ans1 = -1;
        int l = 0;
        int r = n - 1;
        while(l <= r){
            int mid = (l + r) / 2;
            if(s[mid] <= f[i]){
                ans1 = max(ans1, mid);
                    l = mid + 1;
                
            }else{
                r = mid - 1;
            }
        }
        long long int mini = 1e18;
        if(ans1 != -1){
            mini = f[i] - s[ans1];
        }
        int ans2 = n + 1;
         l = 0;
         r = n - 1;
         while(l <= r){
              int mid = (l + r) / 2;
            if(s[mid] >= f[i]){
                ans2 = min(ans2, mid);
                    r = mid - 1;
                
            }else{
                l = mid + 1;
            }
         }
         if(ans2 != (n + 1)){
             mini = min(mini, s[ans2] - f[i]);
         }
        ans = max(ans, mini);
        
    }
    cout << ans;
    
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 17
• Subtask 4: 0 / 27
• Subtask 5: 0 / 47