Create bit_manipulation.cpp

It contains fundamental code to set bit, clear bit, toggle bit and update bit

Author: Drishty06

bit_manipulation.cpp

@@ -0,0 +1,35 @@
+// bit manipulation: set bit, clear bit, toggle bit, update bit
+#include <bits/stdc++.h>
+using namespace std;
+
+int setbit(int n, int k) 
+{ // Setting a bit means that if kth bit is 0, then set it to 1 and if it is 1 then let it be as it is
+    return (n | (1 << (k - 1))); 
+} 
+
+int clearbit(int n, int k) 
+{ // Clearing a bit means that if kth bit is 1, then clear it to 0 and if it is 0 then let it be as it is
+    return (n & (~(1 << (k - 1)))); 
+}
+
+int togglebit(long long int n, long long int k) 
+{ // Toggling a bit means that if kth bit is 1, then change it to 0 and if it is 0 then change it to 1
+    return (n ^ (1 << (k - 1)));
+} 
+
+int updatebit(long long int n, long long int k, long long int value) 
+{ 
+    long long int temp=~(1<<k);
+    n=n&temp;
+    return (n | (value << k)); 
+} 
+
+int main() 
+{
+    int n = 6, k = 2, value = 1;
+    cout<<k<<" bit of "<<n<<" set = "<<setbit(n, k)<<endl;
+    cout<<k<<" bit of "<<n<<" cleared = "<<clearbit(n, k)<<endl;
+    cout<<k<<" bit of "<<n<<" toggled = "<<togglebit(n, k)<<endl;
+    cout<<k<<" bit of "<<n<<" updated = "<<updatebit(n, k, value)<<endl;
+    return 0;
+}