Submission #894412

#	Time	Username	Problem	Language	Result	Execution time	Memory
894412		vjudge1	Cipele (COCI18_cipele)	C++17	36 / 90	1060 ms	3280 KiB

cipele

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
//using namespace __gnu_pbds;

#define speed ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define russian setlocale(LC_ALL,"Russian_Russia.20866");
#define file freopen("condense2.in", "r", stdin), freopen("condense2.out", "w", stdout);
#define ll long long
#define ull unsigned long long
#define ld long double
#define pll pair<ll, ll>
#define pii pair<int, int>
#define pli pair<ll, int>
#define all(s) s.begin(), s.end()
#define pb push_back
#define ins insert
#define mp make_pair
#define sz(x) x.size()
#define F first
#define S second
#define lb lower_bound
#define ub upper_bound
#define mem(x) memset(x, 0, sizeof(x))

const ll N = 100010;
const ll M = 1e9 + 7;
const ll block = 316;
const ll mod = 1e9 + 7;
const ll P = 263;
const ld pi = acos(-1);
const ll inf = 1e18;

ll add(ll a, ll b) {
    if(a + b < 0) return a + b + mod;
    if(a + b >= mod) return a + b - mod;
    return a + b;
}

ll sub(ll a, ll b) {
    return (a - b + mod) % mod;
}

ll mul(ll a, ll b) {
    return a * b % mod;
}

ll binpow(ll a, ll n) {
    ll res = 1;
    while(n) {
        if(n & 1) res = mul(res, a);
        a = mul(a, a);
        n >>= 1;
    }
    return res;
}

ll inv(ll x) {
    return binpow(x, mod - 2);
}
ll n, m;
ll l[N], r[N];
void sub1() {
    ll ans = 0;
    for(ll i = 1; i <= n; i++) {
        ans = max(ans, abs(l[i] - r[i]));
    }
    cout << ans << '\n';
}
void sub2() {
    vector<bool> used(max(n, m) + 1, false);
    ll ans = 0;
    bool f = false;
    if(n > m) f = true;
    for(ll i = 1; i <= min(n, m); i++) {
        ll cur = inf;
        for(ll j = 1; j <= max(n, m); j++) {
            if(!used[j]) {
                if(!f && cur > abs(l[i] - r[j])) {
                    cur = abs(l[i] - r[j]);
                    used[j] = true;
                }
                else if(f && cur > abs(r[i] - l[j])) {
                    cur = abs(r[i] - l[j]);
                    used[j] = true;
                }
            }
        }
        ans = max(ans, cur);
    }
    cout << ans << '\n';
}
void solve() {
    cin >> n >> m;
    multiset<ll> mn, mx;
    for(ll i = 1; i <= n; i++) cin >> l[i];
    for(ll i = 1; i <= m; i++) cin >> r[i];
    sort(l + 1, l + n + 1);
    sort(r + 1, r + m + 1);
    if(n == m) {
        sub1();
        return;
    }
    sub2();
//    if(n > m) {
//        for(ll i = 1; i <= m; i++) mn.insert(r[i]);
//        for(ll i = 1; i <= n; i++) mx.insert(l[i]);
//    }
//    else {
//        for(ll i = 1; i <= n; i++) mn.insert(l[i]);
//        for(ll i = 1; i <= m; i++) mx.insert(r[i]);
//    }
//    ll ans = 0;
//    while(!mn.empty()) {
//        ll x = *mn.begin();
//        auto y = mx.lower_bound(x);
//        if(y == mx.end()) {
//            y--;
//            ans = max(ans, abs(x - *y));
//            mx.erase(y);
//        }
//        else {
//            ll tmp = abs(x - *y);
//            y--;
//            if(abs(x - *y) < tmp) {
//                tmp = abs(x - *y);
//                mx.erase(y);
//            }
//            else {
//                y++;
//                mx.erase(y);
//            }
//            ans = max(ans, tmp);
//        }
//        mn.erase(mn.begin());
//    }
//    cout << ans << '\n';
}
signed main() {
    speed;
    //file;
    int test = 1;
    //cin >> test;
    while(test--) {
        solve();
    }
}

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 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