programming/sorting/sort_strings/sortcom.cpp at master · hacktoberfest17/programming · GitHub

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//sorts array of strings with user written comparison function

#include<iostream>

#include<string.h>

#include<functional>

#include<algorithm>

using namespace std;

char *names[] = {"George","Penny","Estelle","Don","Mike","Bob"};

bool alpha_comp(char *,char*);

string names1[] = {"George","Penny","Estelle","Don","Mike","Bob"};//Input Strings Array For Sorting

bool isDon(string name)

{

return name=="Don";

}

double in_to_cm(double s)

{

return (s * 2.54);

}

int main()

{

double centi[7];

double inches[] = {3.5,6.4,6,7,8};//Input Values In Inches For Converting To Centimetres

transform(inches,inches+7,centi,in_to_cm);

for(int i=0;i<7;i++)

cout << centi[i] << "\t";

cout << endl;

string *ptr;

ptr=find_if(names1,names1+5,isDon);

if(ptr==names1+5)

cout << "Don is not on the list \n";

else

{

cout << "Don is element " << (ptr-names1) << " on the list\n";

}

sort(names,names+6,alpha_comp);

for(int i=0;i<6;i++)

cout << names[i] << endl;

return 0;

}

bool alpha_comp(char *s1,char *s2)

{

return (strcmp(s1,s2)<0)?true:false;

}

// Input:

//sorts these string values

// string names1[] = {"George","Penny","Estelle","Don","Mike","Bob"};

//converts these inches to centimetres

// double inches[] = {3.5,6.4,6,7,8};

// Output:

// 8.89 16.256 15.24 17.78 20.32 5.34025e-317 22.5806

// Don is element 3 on the list

// Bob

// Don

// Estelle

// George

// Mike

// Penny

programming/sorting/sort_strings/sortcom.cpp at master · hacktoberfest17/programming · GitHub

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