#define__STDC_VERSION_STDCKDINT_H__202311Ltemplate<class type1, class type2, class type3>bool ckd_add(type1* result, type2 a, type3 b);
template<class type1, class type2, class type3>bool ckd_sub(type1* result, type2 a, type3 b);
template<class type1, class type2, class type3>bool ckd_mul(type1* result, type2 a, type3 b);