T39

C_Programming/39.cpp

@@ -0,0 +1,18 @@
+/*
+获取指定二进制位
+将n左移k-1位，再与1做与操作
+*/
+#include<iostream>
+using namespace std;
+int getbit(int n, int k){
+    n = n>> (k-1);
+    n = n & 1;
+    return n;
+}
+int main()
+{
+    int n, k;
+    cin>>n>>k;
+    cout<<getbit(n, k)<<endl;
+    return 0;
+}