Submission #197863

#	Time	Username	Problem	Language	Result	Execution time	Memory
197863		Osama_Alkhodairy	Cipele (COCI18_cipele)	C++17	90 / 90	53 ms	1184 KiB

cipele

#include <bits/stdc++.h>
using namespace std;
#define finish(x) return cout << x << endl, 0
#define ll long long

int n, m;
vector <int> a, b;

bool check(int x){
    int pt = 0;
    for(auto &i : a){
        while(pt < m && b[pt] < i - x) pt++;
        if(pt == m) return 0;
        if(b[pt] - i > x) return 0;
        pt++;
    }
    return 1;
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    a.resize(n);
    for(auto &i : a) cin >> i;
    b.resize(m);
    for(auto &i : b) cin >> i;
    if(m < n){
        swap(a, b);
        swap(n, m);
    }
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    int l = 0, r = 1e9;
    while(l <= r){
        int mid = (l + r) / 2;
        if(check(mid)) r = mid - 1;
        else l = mid + 1;
    }
    cout << l << endl;
}

• 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