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MrPakovs.pythonRules

Square root

Actual accuracy check. Added tests.

Code
Diff
  • #include <math.h>


double custom_sqrt (int a,int accuracy=20) {
  double fIntegerPart;
  double fFloatingPart = modf((double)sqrt(a), &fIntegerPart);
  
  double fTempFloat = fFloatingPart * pow(10, accuracy);
  double fTempInt;
  fTempFloat = modf(fTempFloat, &fTempInt);
  
  fTempFloat /= pow(10, accuracy);
  
  fFloatingPart -= fTempFloat;
  
  return fIntegerPart+fFloatingPart;
}
    • double sqrt (int a,int accuracy=20) {
    • double out = a;
    • for(int i=0;i<accuracy;i++) {
    • out = (out+a/out)/2;
    • }
    • return out;
    • #include <math.h>
    • double custom_sqrt (int a,int accuracy=20) {
    • double fIntegerPart;
    • double fFloatingPart = modf((double)sqrt(a), &fIntegerPart);
    • double fTempFloat = fFloatingPart * pow(10, accuracy);
    • double fTempInt;
    • fTempFloat = modf(fTempFloat, &fTempInt);
    • fTempFloat /= pow(10, accuracy);
    • fFloatingPart -= fTempFloat;
    • return fIntegerPart+fFloatingPart;
    • }
MrPakovs.ElMago

Hello C++!

Fundamentals

Removed iostream and cout. Because using printf instead of cout is a lot faster and optimized for the compiler.

Proof : https://godbolt.org/g/qqNUwM

Code
Diff
  • #include <stdio.h>

int helloCplusplus(){
  printf("Hello Cplusplus\n");
  return 0;
}
    • #include <iostream>
    • #include <stdio.h>
    • using namespace std;
    • int helloCplusplus(){
    • cout << "Hello Cplusplus" << '\n';
    • printf("Hello Cplusplus\n");
    • return 0;
    • }