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TheAlgorithms/C++: math/check_factorial.cpp File Reference

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A simple program to check if the given number is a factorial of some number or not. More...

#include <cassert>
#include <cstdint>
#include <iostream>

Go to the source code of this file.

namespace math for assert
bool math::is_factorial (uint64_t n) Function to check if the given number is factorial of some number or not.
static void tests () Self-test implementations.
int main () Main function.

A simple program to check if the given number is a factorial of some number or not.

A factorial number is the sum of k! where any value of k is a positive integer. https://www.mathsisfun.com/numbers/factorial.html

Definition in file check_factorial.cpp.

◆ main()

Main function.

Returns: 0 on exit

Definition at line 71 of file check_factorial.cpp.

71 {

73 return 0;

74}

static void tests()

Self-test implementations.

◆ tests()

Self-test implementations.

Returns: void

Definition at line 56 of file check_factorial.cpp.

56 {

63

64 std::cout << "All tests have successfully passed!" << std::endl;

65}

bool is_factorial(uint64_t n)

Function to check if the given number is factorial of some number or not.

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