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The absolute value of a number in C++ can be obtained using the abs() function for integers and fabs() for floating-point numbers. These functions are available in <cmath> and <cstdlib>. Example usage:
cpp
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#include <iostream>
#include <cmath>
int main() {
int a = -10;
double b = -10.5;
std::cout << "abs(-10) = " << abs(a) << std::endl;
std::cout << "fabs(-10.5) = " << fabs(b) << std::endl;
return 0;
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- https://docs.vultr.com/cpp/standard-library/cmath/
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