Submission #688339

#	Time	Username	Problem	Language	Result	Execution time	Memory
688339		heeheeheehaaw	Permutation Recovery (info1cup17_permutation)	C++17	25 / 100	1 ms	340 KiB

Main

#include <iostream>
#include <algorithm>
#define int long long

using namespace std;

int v[405], sp[405];
struct element
{
    int poz, val;
};
element ord[405];

bool cmp(element a, element b)
{
    return a.poz < b.poz;
}

signed main()
{
    int n;
    cin>>n;
    for(int i = 1; i <= n; i++)
    {
        cin>>v[i];
        int nrsubsir = (v[i] - v[i - 1]) - 1, st = 1, dr = i - 1, mij = 0;
        if(i > 1 || nrsubsir != 0)
        {
            mij = -1;
            while(st <= dr)
            {
                mij = (st + dr) / 2;
                if(sp[mij] == nrsubsir)
                    break;
                else if(sp[mij] < nrsubsir)
                    st = mij + 1;
                else
                    dr = mij - 1;
            }
        }
        if(nrsubsir == 0 || i <= 1)
            mij = 1;
        else
            mij++;
        for(int j = i - 1; j >= mij; j--)
        {
            sp[j + 1] = sp[j] + nrsubsir + 1;
            ord[j + 1].poz = ord[j].poz;
        }
        ord[mij].poz = i;
        sp[mij] = sp[mij - 1] + nrsubsir + 1;
    }

    for(int i = 1; i <= n; i++)
        ord[i].val = i;
    sort(ord + 1, ord + n + 1, cmp);
    for(int i = 1; i <= n; i++)
        cout<<ord[i].val<<" ";
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 18
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 7
• Subtask 7: 0 / 16
• Subtask 8: 0 / 6