제출 #516274

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
516274		thanh913	Cipele (COCI18_cipele)	C++14	54 / 90	44 ms	4320 KiB

cipele

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

//types
#define ll long long
#define ld long double
#define pll pair<ll, ll>
#define pii pair<int, int>

#define fi first
#define se second
#define inf 0x3f3f3f3f
#define pb(a) push_back(a)
#define mp(a, b) make_pair(a, b)

//lowercase 31, all 53
//(P/Q) % M = (P % M) * (Q^(M-2) % M)
//----------------------------------------------------------------------------------------

const int mx = 1e5+5;
ll n, m;
vector<ll> a, b;

bool check(ll x) {
    ll i = 1, j = 1;
    while (i <= n && j <= m) {
        while (j <= m) {
            if (abs(a[i] - b[j]) <= x) {
                j++;
                break;
            }
            else {
                j++;
                if (j > m) return false;
            }
        }
        i++;
        //if (i < n && j > m) return false;
    }
    return true;
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    //freopen("Shoes.Inp", "r", stdin);
    //freopen("Shoes.Out", "w", stdout);
    cin >> n >> m;
    a.pb(-inf);
    b.pb(-inf);
    for (int i = 1; i <= n; i++) {
        int tmp;
        cin >> tmp;
        a.pb(tmp);
    }
    for (int i = 1; i <= m; i++) {
        int tmp;
        cin >> tmp;
        b.pb(tmp);
    }
    sort(a.begin()+1, a.end());
    sort(b.begin()+1, b.end());
    if (a.size() > b.size()) {
        swap(a, b);
        swap(n, m);
    }

    ll l = 0, r = 2e9, kq = 1e9;
    while (l <= r) {
        ll mid = (l+r) / 2;
        if (check(mid)) {
            kq = mid;
            r = mid-1;
        }
        else {
            l = mid+1;
        }

    }
    cout << kq;
}

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