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operator[]. () operator[] . .. , . . :

struct pair {

char* name;

int val;

};

class assoc {

pair* vec;

int max;

int free;

public:

assoc(int);

int& operator[](char*);

void print_all();

};

assoc pair max. free. :

assoc::assoc(int s)

{

max = (s<16) ? s : 16;

free = 0;

vec = new pair[max];

}

. assoc :

#include

int assoc::operator[](char* p)

/*

"pair":

p,

"pair"

"pair", p

*/

{

register pair* pp;

for (pp=&vec[free-1]; vec<=pp; pp--)

if (strcmp(p,pp->name)==0) return pp->val;

if (free==max) { // :

pair* nvec = new pair[max*2];

for ( int i=0; iname = new char[strlen(p)+1];

strcpy(pp->name,p);

pp->val = 0; // : 0

return pp->val;

}

assoc , . , , :

vouid assoc::print_all()

{

for (int i = 0; i>buf) vec[buf]++;

vec.print_all();

}


operator[]. () operator[] . ..

 

 

 

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