Cod sursa(job #2505728)

Utilizator andu2006Alexandru Gheorghies andu2006 Data 7 decembrie 2019 10:36:13
Problema Farfurii Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.66 kb
#include <fstream>
#define NMAX 100005
using namespace std;
ifstream fin("farfurii.in");
ofstream fout("farfurii.out");
long long v[NMAX];
int main()
{
    ios_base::sync_with_stdio(false);
    long long n,k,i,chosenone,cnd;
    fin>>n>>k;
    cnd=n;
    for(i=1;i<=n;i++){
        long long s=(n-i)*(n-i+1)/2;
        if(s>=k)
            v[i]=i;
        else{
            v[i-1]=i-1+k-s;
            chosenone=v[i-1];
            break;
        }
    }
    for(long long j=1;j<i;j++){
        fout<<v[j]<<" ";
    }
    for(;i<=n;i++){
        if(cnd==chosenone)
            cnd--;
        fout<<cnd<<" ";
        cnd--;
    }
    return 0;
}