Cod sursa(job #2204989)

Utilizator UnseenMarksmanDavid Catalin UnseenMarksman Data 17 mai 2018 16:06:22
Problema Farfurii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.71 kb
#include <fstream>
#include <vector>
#define ull unsigned long long
using namespace std;

ifstream fin("farfurii.in");
ofstream fout("farfurii.out");

const int N = 1e5+2;
vector<int>A;

int main()
{
    int n;
    ull sume[N], k;
    fin>>n>>k;
    sume[0]=0;
    for(int i=1; i<=n; i++)
    {
        sume[i]=sume[i-1]+i;
    }
    int pos=0;
    while(sume[pos]<k)
    {
        pos++;
    }
    for(int i=1; i<n-pos; i++)
    {
        fout<<i<<' ';
    }
    for(int i=n; n-pos<=i; i--)
    {
        A.push_back(i);
    }
    k=sume[pos]-k;
    fout<<A[k]<<' ';
    A.erase(A.begin()+k);
    for(int i=0; i<A.size(); i++)
    {
        fout<<A[i]<<' ';
    }
    return 0;
}