PATA1064题解

最新推荐文章于 2022-03-17 20:06:18 发布

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//
//  main.cpp
//  PATA1064
//
//  Created by Phoenix on 2018/2/16.
//  Copyright © 2018年 Phoenix. All rights reserved.
//

#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <algorithm>
using namespace std;

const int maxn = 1010;
int n, num[maxn], in[maxn];

int bin[11] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024};
void level(int left, int right, int index) {
    if(index > n) return;
    int k = right - left + 1, t = -1;
    for(int i = 0; i < 11; i++){
        if(k < bin[i]){
            t = bin[i-1];
            break;
        }
    }
    int temp;
    if(k >= t && k < t + t / 2){
        temp = k - t / 2;
    }else{
        temp = t - 1;
    }
    in[index] = left + temp;
    level(left, left + temp - 1, 2 * index);
    level(left + temp + 1, right, 2 * index + 1);
}

int main(int argc, const char * argv[]) {
    scanf("%d", &n);
    for(int i = 1; i <= n; i++) {
        scanf("%d", &num[i]);
    }
    sort(num + 1, num + n + 1);
    level(1, n, 1);
    for(int i = 1; i <= n; i++) {
        printf("%d", num[in[i]]);
        if(i < n) printf(" ");
        else printf("\n");
    }
    return 0;
}