hiho week 209 register

Ended

Participants:113

Verdict:Accepted
Score:100 / 100
Submitted:2018-07-01 19:55:02

Lang:G++

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#include <cstdio>
#include <iostream>
#include <cstring>
#include <cmath>
using namespace std;
int main()
{
    long long n;
    cin >> n;
    int res = 0;
    long long tmp = n;
    long long pre;
    while(1) {
        pre = log(tmp) / log(2);
        if (pre != 0) ++res;
        else {
            ++res;
            break;
        }
        tmp = min(tmp-pow(2,pre),pow(2,pre+1)-tmp);
        if (tmp == 0) {
            break;
        }
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