C++ bitset reset() Function

C++ bitset reset() function is used to reset all the bits of bitset. If you are giving index as a parameter then it will reset bit of that index.

Syntax

reset();
reset(int index);

Parameter

Index: It takes one parameter as an index but it is not mandatory.

Return value

This function does not return any value.

Example 1

#include <iostream>
#include <bitset>
using namespace std;
int main()
{
bitset<4> b(string("1001"));
cout<< "before applying reset method : " << b <<'\n';
cout<< "after applying reset method : " <<b.reset();
return 0;
}

Output:

before applying reset method : 1001
after applying reset method : 0000

Example 2

#include <iostream>
#include <bitset>
using namespace std;
int main()
{
bitset<4> b(string("1001"));
cout<< "before apllying reset method : " << b <<'\n';
cout<< "after apllying reset method : " <<b.reset(3) <<'\n';
cout<< "after apllying reset method : " <<b.reset(0);
return 0;
}

Output:

before applying reset method : 1001
after applying reset method : 0001
after applying reset method : 0000

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C++ Bitset Function