Cod sursa(job #3267398)

Utilizator PetreIonutPetre Ionut PetreIonut Data 11 ianuarie 2025 11:25:51
Problema Order Scor 100
Compilator cpp-64 Status done
Runda cex_6 Marime 0.89 kb
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ifstream f("order.in");
ofstream g("order.out");

const int nMax=3e4+5;
ll n;
ll a[nMax] , rez[nMax] , aib[nMax];

void add(int x , int val)
{
    for(int i=x;i<=n;i+=i&-i) aib[i]+=val;
}

ll sum(int x)
{
    ll rez=0;
    for(int i=x;i>=1;i-=i&-i) rez+=aib[i];
    return rez;
}

ll cb(int x)
{
    int st=1 , dr=n , rez=n;
    while(st<=dr){
        int mij=st+(dr-st)/2;
        ll p=sum(mij);
        if(p>=x) dr=mij-1 , rez=mij;
        else if(p<x) st=mij+1;
    }
    return rez;
}

int main()
{
    ios_base::sync_with_stdio(NULL);
    f >> n;
    for(int i=1;i<=n;i++) add(i , 1);
    ll ramas=n , poz=2;
    for(int i=1;i<=n;i++){
        poz=(poz+i-1)%ramas;
        if(poz==0) poz=ramas;
        ll k=cb(poz);
        g << k << " ";
        add(k , -1);
        ramas--;
    }
}