مختبر 7

// C++ programming
// All function lab examples:
// By:Basel y. Tamimi
// --------------------------

الكود:


#include <iostream>
void swap(int &x,int &y);
using namespace std;
void main(){
   
   int x,y;
   cout<<"enter two integers num: ";
cin>>x>>y;
cout<<"Befor:\n";
cout<<"x= "<<x<<" y= "<<y;

swap (x,y);

cout<<endl<<endl;
cout<<"After:\n";
cout<<"x= "<<x<<" y= "<<y;

cout<<endl;
system ("pause");
}

void swap (int &x, int &y){
int temp;
temp=x;
x=y;
y=temp;

}

الكود:


#include <iostream>
void order(char &x,char &y,char &z);
using namespace std;
void main(){
char x,y,z;
   cout<<"enter 3 characters: ";
   cin>>x>>y>>z;

order(x,y,z);
   
cout<<"the order is "<<x<<" "<<y<<" "<<z;
cout<<endl;
system ("pause");
}

void order(char &x,char &y,char &z){
   char max,min,middle;

   //for comparing
   if(x>y){
max=x;
min=y;
if(z>x){
max=z;
middle=x;}
else if (z<y)
{min=z;
middle=y;}
else middle=z;
   }
   else if (x<y){
max=y;
min=x;
if(z>y){
max=z;
middle=y;}
else if (z<x)
{min=z;
middle=x;}
else middle=z;}

x=min;
y=middle;
z=max;

}


الكود:


#include <iostream>
void time(int &h,int &m,int &s);
using namespace std;
void main(){

int h1,m1,s1;
cout<<"enter the first time as (hh mm ss): ";
cin>>h1>>m1>>s1;

if(h1>23 || h1<0 || m1>59 || m1<0 || s1>59 || s1<0)
   cout<<"\n"<<"error";
else{
time( h1, m1, s1);

cout<<"the exact time = "<<h1<<" hours "<<m1<<" minutes "<<s1<<" seconds";
}


cout<<endl;
system ("pause");
}

void time(int &h,int &m,int &s){
int h2,m2,s2,totalh,totalm,totals;

cout<<"enter the end time as (hh mm ss): ";
cin>>h2>>m2>>s2;

if(h2>23 || h2<0 || m2>59 || m2<0 || s2>59 || s2<0){
   cout<<"\n"<<"error\n";
s=0;m=0;h=0;}

else{
if(s2<s){
s2=s2+60;
m2=m2-1;
}

if(m2<m){
m2=m2+60;
h2=h2-1;}

totals=s2-s;
totalm=m2-m;
totalh=h2-h;
s=totals;
m=totalm;
h=totalh;
}
}