Cod sursa(job #3267165)

Utilizator Radu_BicliBiclineru Radu Radu_Bicli Data 11 ianuarie 2025 10:07:01
Problema Order Scor 100
Compilator cpp-64 Status done
Runda cex_6 Marime 0.97 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("order.in");
ofstream fout("order.out");
int n, ram, poz = 2, a[30002], i, aib[30002];

static inline void Add(int poz, int val) {
    for(int i = poz; i <= n; i += (i & -i)) aib[i] += val;
}

static inline int Sum(int poz) {
    int sum = 0;
    for(int i = poz; i >= 1; i -= (i & -i)) sum += aib[i];
    return sum;
}

static inline int Cb(int val) {
    int st = 1, dr = n;
    int poz = dr;
    while(st <= dr) {
        int mij = st + (dr - st) / 2;

        if(val <= Sum(mij)) {
            poz = mij;
            dr = mij - 1;
        }
        else st = mij + 1;
    }
    return poz;
}

int main() {
    fin >> n;
    ram = n;
    for(i = 1; i <= n; i++) Add(i, 1);
    for(i = 1; i <= n; i++) {
        poz = (poz + i - 1) % ram;
        if(poz == 0) poz = ram;

        int c = Cb(poz);
        fout << c << " ";
        Add(c, -1);

        ram--;
    }

    return 0;
}