Submission #742694

#	Time	Username	Problem	Language	Result	Execution time	Memory
742694		IDorando	Cipele (COCI18_cipele)	C++17	90 / 90	47 ms	2768 KiB

cipele

#include <bits/stdc++.h>

using namespace std;

int n, m, l[100005], r[100005];

bool Check(int x)
{
    int i, j;
    i = j = 0;
    while (i <= n and j <= m)
    {
        if (l[i] <= r[j])
        {
            if (r[j] - l[i] <= x)
            {
                i++;
                j++;
            }
            else
                return 0;
        }
        else
        {
            if (l[i] - r[j] <= x)
            {
                i++;
                j++;
            }
            else j++;
        }
    }
    return (i == n + 1);
    

}

int main()
{
    int i, st, dr, mij, sol, ma = 0;
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    if (m < n)
    {
        swap(m, n);
        for (i = 1; i <= m; i++)
        {
            cin >> r[i];
            ma = max(ma, r[i]);
        }
        for (i = 1; i <= n; i++)
        {
            cin >> l[i];
            ma = max(ma, l[i]);
        }      
    }
    else
    {
        for (i = 1; i <= n; i++)
        {
            cin >> l[i];
            ma = max(ma, l[i]);
        }
        for (i = 1; i <= m; i++)
        {
            cin >> r[i];
            ma = max(ma, r[i]);
        }
    }

    sort(l + 1, l + n + 1);
    sort(r + 1, r + m + 1);

    st = sol = 0;
    dr = ma;
    while (st <= dr)
    {
        mij = (st + dr) / 2;
        if (Check(mij) == 1)
        {
            sol = mij;
            dr = mij - 1;
        }
        else st = mij + 1;
    }
    cout << sol << "\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