Submission #900427

#	Time	Username	Problem	Language	Result	Execution time	Memory
900427		n3rm1n	Karte (COCI18_karte)	C++17	24 / 120	1082 ms	11496 KiB

karte

#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 5e5 + 10;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
int n, k;
int a[MAXN];
void read()
{
    cin >> n >> k;
    for (int i = 1; i <= n; ++ i)
        cin >> a[i];
}
int p[MAXN], used[MAXN];
void check()
{
    int cnt_false = 0;
    for (int i = 1; i <= n; ++ i)
    {
        if(cnt_false < p[i])
        {
            cnt_false ++;
        }
    }
    if(cnt_false == k)
    {
        for (int i = n; i >= 1; -- i)
            cout << p[i] << " ";
        cout << endl;
        //exit(0);
    }
}
void gen(int pos, int cnt_false)
{
    if(cnt_false > k)return;
    if(cnt_false + n - pos + 1 < k)return;
    if(pos > n)
    {
       // cout << cnt_false << endl;

            for (int i = n; i >= 1; -- i)
            cout << p[i] << " ";
        cout << endl;
        exit(0);


        return;
    }
    for (int i = 1; i <= n; ++ i)
    {
        if(!used[i])
        {
            used[i] = 1;
            p[pos] = a[i];
            if(a[i] <= cnt_false)gen(pos+1, cnt_false);
            else gen(pos+1, cnt_false+1);
            used[i] = 0;
        }
    }
}
int main()
{
    speed();

    read();
    gen(1, 0);
    cout << -1 << endl;
    return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 0 / 12
• Subtask 3: 12 / 12
• Subtask 4: 0 / 12
• Subtask 5: 0 / 12
• Subtask 6: 0 / 12
• Subtask 7: 0 / 12
• Subtask 8: 0 / 12
• Subtask 9: 0 / 12
• Subtask 10: 0 / 12