Submission #681540

#	Time	Username	Problem	Language	Result	Execution time	Memory
681540		Vladth11	Cipele (COCI18_cipele)	C++14	27 / 90	722 ms	5784 KiB

cipele

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")

#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "

using namespace std;
typedef pair <int, int> pii;
typedef long long ll;

const int NMAX = 100001;
const int VMAX = 41;
const int INF = 1e9;
const int MOD = 1000000009;
const int BLOCK = 318;
const int base = 31;
const int nrbits = 21;

int a[NMAX], b[NMAX];
int n, m;

int f(int poz)
{
    if(poz + m - 1 > n) return 1e9;
    int maxim = 0;
    for(int i = 1; i <= m; i++){
        maxim = max(maxim, abs(a[i + poz - 1] - b[i]));
    }
    return maxim;
}

bool OK(int x){
    set <int> st;
    int i;
    for(i = 1; i <= n; i++)
        st.insert(a[i]);
    for(i = 1; i <= m; i++){
        int nou = b[i] - x;
        auto it = st.lower_bound(nou);
        if(it != st.end() && abs((*it) - b[i]) <= x){
            st.erase(it);
            continue;
        }
        return 0;

    }
    return 1;
}

int main() {
#ifdef HOME
    ifstream cin(".in");
    ofstream cout(".out");
#endif // HOME
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int i;
    cin >> n >> m;
    for(i = 1; i <= n; i++)
        cin >> a[i];
    for(i = 1; i <= m; i++)
        cin >> b[i];
    sort(a + 1, a + n + 1);
    sort(b + 1, b + m + 1);
    if(m > n){
        for(i = 1; i <= m; i++){
            swap(a[i], b[i]);
        }
        swap(n, m);
    }
    int r = 0;
    int pas = (1 << 30);
    while(pas){
        if(!OK(r + pas))
            r += pas;
        pas /= 2;
    }
    if(!OK(r)) r++;
    cout << r;
    return 0;
}

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