第I位是0/1
摘要：int a; scanf("%d",&a); for(int i =0;i>i)&1;//从右往左第i位是x ，i==0，就是第一位 printf("%d ",x); }
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posted @ 2019-08-24 17:00
随笔分类 - 位运算
移位运算
摘要：ll ans=3*(1<<3); printf("%lld\n",ans); 24 int k1 =3,k2=3; k1<<=1; k2>>=1; printf("%d %d\n",k1,k2);//6 1
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posted @ 2019-03-18 22:01
zoj 4057
摘要：#include #include #include #include #include #include using namespace std; #define ll long long const int N =1e5+9; int t,n,a[N]; int b[50]; /* 要想两个数的异或结果比两者都大 必须两数的首位都为1，其他位...
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posted @ 2018-09-18 09:32
牛客练习赛22 C 简单瞎搞题
摘要：128536K E. AC Challenge Dlsj is competing in a contest with n (0 < n \le 20)n(0<n≤20) problems. And he knows the answer of all of these problems. Howe
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posted @ 2018-07-16 09:26
