赌神
https://ac.nowcoder.com/acm/contest/321/D
題解:n的二進(jìn)制中1個(gè)數(shù)減一 加上 n的二進(jìn)制的位數(shù)減一
如果拿來搜索的話可能會(huì)超時(shí)
/* *@Author: STZG *@Language: C++ */ #include <bits/stdc++.h> #include<iostream> #include<algorithm> #include<cstdlib> #include<cstring> #include<cstdio> #include<string> #include<vector> #include<bitset> #include<queue> #include<deque> #include<stack> #include<cmath> #include<list> #include<map> #include<set> //#define DEBUG #define RI register int using namespace std; typedef long long ll; //typedef __int128 lll; const int N=10000; const int MOD=1e9+7; const double PI = acos(-1.0); const double EXP = 1E-8; const int INF = 0x3f3f3f3f; int t,n,m,k;int main() { #ifdef DEBUGfreopen("input.in", "r", stdin);//freopen("output.out", "w", stdout); #endifwhile(~scanf("%d",&n)){int ans=0;while(n){if(n&1)ans++;ans++;n>>=1;}cout << ans-2 << endl;}//cout << "Hello world!" << endl;return 0; }?
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