Cod sursa(job #2755806)

Utilizator razviii237Uzum Razvan razviii237 Data 28 mai 2021 11:06:54
Problema Schi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.88 kb
#include <iostream>
#include <fstream>

using namespace std;

const int maxn = 30005;

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

int n;
int aib[maxn];
int v[maxn], ans[maxn];

void update(int pos, int val) {
    while(pos <= n) {
        aib[pos] += val;
        pos += (pos & (-pos));
    }
}

int getpos(int val) {
    int r = 0, p = 1 << 30;
    while(p > 0) {
        if(r + p <= n && aib[r + p] < val) {
            val -= aib[r + p];
            r += p;
        }
        p >>= 1;
    }
    return r + 1;
}

int main()
{
    int i;
    f >> n;
    for(i = 1; i <= n; i ++) {
        f >> v[i];
        update(i, 1);
    }

    for(i = n; i >= 1; i --) {
        int now = getpos(v[i]);
        ans[now] = i;
        update(now, -1);
    }

    for(i = 1; i <= n; i ++) {
        g << ans[i] << '\n';
    }
    g << '\n';

    return 0;
}