..
()
. , .
return.
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:
1
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.................................................................................................................. 6
1. ................................................................................................................ 6
1.1 ............................................................... 6
1.2 ................................................................................. 6
1.3 ............................................................ 7
2. ............................................................................................................... 8
2.1 ............................................................................................ 8
2.2 .............................................................................................. 9
3. ( return)................................................................................... 11
4. ........................................................................................................ 13
................................................................................................................. 16
............................................................................................................................. 18
................................................................................................................. 19
, . . , , , . . , .
void. , , ; .
, , . :
}
inline int abs(int obj)
|
|
|
{
// iobj
return(iobj < 0? -iobj: iobj);
}
inline int min(int p1, int p2)
{
//
return(pi < p2? pi: p2);
}
nt gcd(int vl, int v2)
{
//
while (v2)
{
int temp = v2;
v2 = vl % v2;
vl = temp;
}
return vl;
, . , , . , . main() abs() min() gcd().
#include <iostream>
int main()
{
//
cout << " : ";
int i;
cin >> i;
if (!cin) {
cerr << "!? - !\n";
return -1;
}
cout << " : ";
int j;
cin >> j;
if (!cin) {
cerr << "!? - !\n";
return -2;
}
cout << "\nmin: " << min(i, j) << endl;
i = abs(i);
j = abs(j);
cout << ": " << gcd(i, j) << endl;
return 0;
main() main.C.
}
. (inline), . , , . , . return.
, . , .
. , . , , , . , . . .
main.C abs(), min() gcd(), . , , : int gcd(int, int); ( , .) ( 17) , , . , . , . . localMath.h:
int gcd(int, int);
inline int abs(int i) {
return(i<0? -i: i);
}
inline int min(int vl.int v2) {
|
|
|
return(vl<v2? vl: v2);
}
. , ( ) . , . , min(), abs() gcd().
main.C, :
: 15
: 123
:
mm: 15
: 3
1.
, . .
1.1
, int double, , int& double*, . void, , :
void sum(vector<int>&, int);
. :
int[10] foo_bar();
:
int *foo_bar();
( .)
, . :
list<char> foo_bar();
. :
const is_equa1(vector<int> vl, vector<int> v2);
++ , int. ++ . is_equal() :
const bool is_equa1(vector<int> vl, vector<int> v2);
1.2
. , , , void.
, :
int forf();
int fork(void);
, . , . , :
int manip(int vl, v2); //
int manip(int vl, int v2); //
. , , . . :
void print(int *array, int size);
. . ++ , , . . , . .
1.3
gcd() :
int gcd(int, int);
, int. , .
, gcd() char*?
gcd("hello", "world");
, ? ? , 24 312?
gcd(24312);
|
|
|
, . ++ . :
// gcd("hello", "world")
error: invalid argument types (const char *, const char *) --
expecting (int, int)
: (const char *, const char *) --
(int, int)
// gcd(24312)
error: missing value for second argument
:
double? ?
gcd(3.14, 6.29);
, double int. , . int ( ) , , . , .
gcd(3, 6);
3.
++ . . , . , . , : . . .
, ( ) , .
:
extern double sqrt(double);
extern elem* next_elem();
extern char* strcpy(char* to, const char* from);
extern void exit(int);
. , . , ,
double sr2 = sqrt(2);
sqrt() 2.0. .
. , .
2.1
, , - ( ). - , .
:
extern void swap(int*, int*); //
void swap(int*, int*) //
{
int t = *p;
*p =*q;
*q = t;
}
, inline, , register. , - .
2.2
, , . . , , . , .
|
|
|
void f(int val, int& ref)
{
val++;
ref++;
}
f(), val++ , ref++ .
:
int i = 1;
int j = 1;
f(i,j);
j, i. , i, , , j, . , , , , . , . const, , , :
void f(const large& arg)
{
// "arg"
}
, const , , , .
:
extern int strlen(const char*); //
extern char* strcpy(char* to, const char* from);
extern int strcmp(const char*, const char*);
.
, . const , , .
