Submission #1134248

#	Time	Username	Problem	Language	Result	Execution time	Memory
1134248		steveonalex	Cipele (COCI18_cipele)	C++20	90 / 90	41 ms	1096 KiB

cipele

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()

ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}

ll gcd(ll a, ll b){return __gcd(a, b);}
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ll mask){return __builtin_ctzll(mask);}
int logOf(ll mask){return __lg(mask);}

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}

template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }

template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }

template <class T>
    void printArr(T& container, string separator = " ", string finish = "\n"){
        for(auto item: container) cout << item << separator;
        cout << finish;
    }


template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }


void solve(){
    int n, m; cin >> n >> m;
    vector<int> a(n), b(m);
    for(int i= 0; i < n; ++i) cin >> a[i];
    for(int j = 0; j < m; ++j) cin >> b[j];

    sort(ALL(a)); sort(ALL(b));
    if (n > m) {
        swap(n, m);
        swap(a, b);
    }

    int l = 0, r = 1e9;
    while(l < r){
        int mid = (l + r) >> 1;
        int j = 0;
        bool check = true;
        for(int i: a){
            while(j < m && b[j] < i - mid) j++;
            if (j == m || b[j] > i + mid) {check = false; break;}
            j++;
        }
        if (check) r = mid;
        else l = mid + 1;
    }
    cout << l << "\n";
}

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    clock_t start = clock();

    solve();

    cerr << "Time elapsed: " << clock() - start << "ms!\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