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http://acm.hdu.edu.cn/showproblem.php?pid=5272
Who is Dylans?You can find his ID in UOJ and Codeforces.
His another ID is s1451900 in BestCoder.
And now today‘s problems are all about him.
Dylans is given a number $N.$
He wants to find out how many groups of "1" in its Binary representation.
If there are some "0"(at least one)that are between two "1",
then we call these two "1" are not in a group,otherwise they are in a group.
In the first line there is a number $T.$
$T$ is the test number.
In the next $T$ lines there is a number $N.$
$0 \leq N \leq 10^{18},T \leq 1000$
For each test case,output an answer.
1
5
2
1 #include<algorithm> 2 #include<iostream> 3 #include<cstdlib> 4 #include<cstring> 5 #include<cstdio> 6 #include<vector> 7 #include<map> 8 #include<set> 9 using std::cin; 10 using std::cout; 11 using std::endl; 12 using std::find; 13 using std::sort; 14 using std::set; 15 using std::map; 16 using std::pair; 17 using std::vector; 18 #define sz(c) (int)(c).size() 19 #define all(c) (c).begin(), (c).end() 20 #define iter(c) __typeof((c).begin()) 21 #define cls(arr,val) memset(arr,val,sizeof(arr)) 22 #define cpresent(c, e) (find(all(c), (e)) != (c).end()) 23 #define rep(i, n) for (int i = 0; i < (int)(n); i++) 24 #define tr(c, i) for (iter(c) i = (c).begin(); i != (c).end(); ++i) 25 #define pb(e) push_back(e) 26 #define mp(a, b) make_pair(a, b) 27 const int Max_N = 100010; 28 typedef unsigned long long ull; 29 int main() { 30 #ifdef LOCAL 31 freopen("in.txt","r",stdin); 32 freopen("out.txt","w+",stdout); 33 #endif 34 int t; 35 ull ret; 36 scanf("%d",&t); 37 while(t--) { 38 int f = 1, ans = 0;; 39 scanf("%lld",&ret); 40 while(ret) { 41 if(f) { 42 if(ret & 1) ans++, f = 0; 43 } else if(!(ret & 1)) f = 1; 44 ret >>= 1; 45 } 46 printf("%d\n",ans); 47 } 48 return 0; 49 }
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原文地址:http://www.cnblogs.com/GadyPu/p/4592285.html