CODE

1."using ? command."
#include <iostream.h>
#include <conio.h>
int main(){
clrscr();
float a,b,c,d;
cin >>a>>b>>c>>d;
a=(a>c+d)?(a*c) : (b*d);
cout <<"a="<<a;
getch();
return 0;
}
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2."using of while loop command."
#include <iostream.h>
#include <conio.h>
int main(){
clrscr();
float a,b,c,d;
cin >>a>>b>>c>>d;
a=(a>c+d)?(a*c) : (b*d);
cout <<"a="<<a;
getch();
return 0;
}
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[indent]
3."using of for loop"
#include <iostream.h>
#include <conio.h>
int main(){
clrscr();
float a,b,c,d;
cin >>a>>b>>c>>d;
a=(a>c+d)?(a*c) : (b*d);
cout <<"a="<<a;
getch();
return 0;
}
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[indent]
4."conwerting a secund to hour and minute and secund."
#include <iostream.h>
#include <conio.h>
int main(){
clrscr();
float a,b,c,d;
cin >>a>>b>>c>>d;
a=(a>c+d)?(a*c) : (b*d);
cout <<"a="<<a;
getch();
return 0;
}
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[indent]
5."calculate numbers of a data"
#include <iostream.h>
#include <conio.h>
int main(){
clrscr();
int a,b,c=0;
cout <<"enter number:";
cin >>a;
while(a>0){
b=a%10;
c+=b;
a/=10;
}
cout <<"result="<<c;
getch();
return 0;
}
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[indent]
6."simple working with numbers"
#include <iostream.h>
#include <conio.h>
int main(){
clrscr();
int a,b,c,i=1,j=0;
cout <<"enter a num:";
cin >>a;
c=a;
while(c>0){
c/=10;
j++;
}
c=0;
while(a>0){
b=a%10;
i=1;
while(i<j){
b*=10;
i++;
}
j--;
c+=b;
a/=10;
}
cout <<"Maghloob="<<c;
getch();
return 0;
}

Notice from jlhaslip:

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