c++ for beginner // by hussein abed hilal

7/30/2019 c++ for beginner // by hussein abed hilal

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Hussein abed hilal // BSC graduated from al-imam al-

sadiq university // higher diploma // website ///student in

master first class //MSC// university of technology


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(c++)

,

, (math)

(sin ,cos ..ets) ,

(iostream,math) .

, .

(c++) (#include ) (c++) .

(#include ) /

, , (c++)


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(iostream.h)

(input output stream .h) ,

////// (c++) .

( >#include


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c++-

-cout- .

-:

Cout


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Ex (2) :-

#include Main (){Cout


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.

\n-(end line) ,

1- ( \n) 2- (endl)

Ex( 4):-

#include Main (){Cout


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Ex (5 ):-#include

Main (){Cout


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-:

c++

(integer), (float)

.

,

Int x,y,zets ;

//// (main), (main)

Ex(7):-

Z=x+y if x=100 ,y=150 ?


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Sol \\ #include Main (){Int x=100,y=150,z ;Cout


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Z=250

Cout


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*******Hussein**

*******

}

1.(--) .2.(++) .3.(>) .4.() .6.(=


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Cout


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cin- c++

Cin >> what you need input ;

Ex ( 11 ) :-

Sol // # include Main ()

{Int x,y,z,d,a,Q;Cout > y>> z>>d>>a;Q= x+y+z+d+a;Cout


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Q= 150

// Q intcin .

Ex ( 12 ) :-

, , . (sum) (avg).

Sol // # include < iostream .h >Main (){Int x; int y ; int z; int d; int a;Int sum = 0 ; int avg ;Cout >y>>z>>d>>a;Sum = x+y+z+d+a;

Avg= sum / 5 ;Cout


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Z= 5.2

1- .2- .3- .4- .

Ex( 13 ) :-

Z= x+y / ( y* x )c++

, yxz.

Sol // # include < iostream .h >Main (){Int x , y ;Float z ;Cout > y ;Z= x+y / (y * x);Cout


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///

.Z=10

Ex (14):-

x=10,y=5Z= x*y + d/c .Sol //

x ,y, d,c .

#include Main (){Int x=10 ,y=5,d,c;Float z;Cout > d>>c;Z=x*y+d/c;Cout


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/// .

Ex(15 ):-

( ). .

Sol// #include Main (){Float pi =3.14;Float Area , Rad ;Cout


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Ex ( 16 ):-

( *9/5+32)

:Sol /// #include Main (){Float fah , cel ;Cout


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If ( condition ) statement

Ex ( 17 ) :-# include < iostream .h >Main (){Int x ;Cout


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{Int x, y ;Cout x>>y ;If ( x>y )Cout


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Div =1.2

Main (){Int x,y ;

Float div ;Cout >y ;If ( x


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Cout y>>z;if ( x>y)

{int max ;Max =x;ElseMax =y ;If ( z>max )Max = z;Cout


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Main (){Int x,x1,x2,x3,x4;

Cout x1>>x2>>x3>>x4;If ( x %2==0 ) {Int k=0;K=k+1;ElseIf ( x1%2==0 )K=k+1;ElseIf ( x2 % 2==0)K=k+1;ElseIf ( x3%2==0 )K=k+1;ElseIf ( x4 %2==0 )K=k+1;}Cout


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1234 4321.

Sol /// # include Main (){Int a,k,b,c,d ;Cout a;K= a/1000;A=a%1000;B=a/100;C=a%100;a=c/10;d=c%10;cout


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{long number ;Cout number ;Cout


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elseCout


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Enter two number126

6 is multiply of 12

Ex (26 ):- z-:

a-b*b/a if x>=1

Z=

a*a-b if x


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Cout x;if ( x>=1){

z=a-b*b/a;cout


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Sol /// # include < iostream .h >Int main ()

{Int counter =0 :Loop :counter ++ ;Cout


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Cout


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Cin >> inpt ;While ( inpt !=*;Cin >>inpt ;Cout


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Ex (29 ) :-

(1 10)(while) Sol/// # include < iostream .h >Int main (){Int i=0 ;Int sum =0;While ( ++i


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DoCin >> num ;Cout Int main (){Int x=1 ;While ( x


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Cout


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{Sum =sum+x;number =number + 1;cin >>x;}Cout


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Cout


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While (i


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Ex (35 ):- (do while)

Sol///

#include Main (){Int i=0 ;int sum =0;Do {I++;Sum =sum+I;Cout


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# include Main (){

Int k,y,i=1;unsigned long int p=1;Cout k;While ( i


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{Float x,y ;X=1.8 ;

Do {X+=1.8;Y=x*x+x+1/x;Cout


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}Co ut


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Do {Sum = sum + x;Cout


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Sol/// #include Main ()

{Int max-num,min num ,z;Cout min-num;Z=min-num;While ( z>1){If ( max-num %z==0&&min-num%z==0)Break;Z--;}Cout


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for ( loop begin ; loop condition ; update loop )statement ;

for ( loop begin ; loop condition ; update loop ){Statement 1;Statement 2;Statement 3;....Statement n;}

-: loop begin

. for (i=1 i=1I

. -:loop condition

.

For ( i=1 ; i


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1 23,

(1 2 3

....., 1 +2 (1 3579......) .

Ex:-for ( i=1 ; i


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10 0 2 10

loop.1.

The sum = 30-:for

looploop.

For ( i=1 ; i


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Ex ( 43 ) :-

(100 10) 10 Sol/// # include Main (){Int I;Cout


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for- (for)

Ex ( 44 ):- (2 20)

Sol/// # include Main (){Int I;Int sum =0;For ( i=2 ; i


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# include Main (){

For ( int i=10 ; i>=1;i--){For ( int j =1 ; j


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Float I;Float sum =0 ;Float c;

For ( i=1.0;i


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#include Main (){

Int I,j,k;For ( i=4;i>=1;i--){For (j=1;j


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y =6 breakSol/// # include < iostream .h ?Main (){Int y;For ( y=1;y


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64 16 4

1000 100 10

Ex ( 50 ):-

0+1+2+3 + ..n2

Sol/// # include < iostream.h >#include < math .h >Main (){Int x,I,sum =0 ;Cin >> x;For ( i=0 ; i


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Main (){Float x,r=0;For ( x=1;x


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}Cout


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5 . . . . . . . .6 . . . . . . . .7 . . . . . . . .8 . . . . . . . .9 18 27 36 45 54 63 72 81

Ex (54 ):- float

number#includeMain (){Float x ,sum =0.0 ;Cout


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Enter float number0.2The sum = 0.21.2The sum = 0.42.4The sum = 0.83.4The sum = 1.2

Ex ( 55) :- (1-10)

Sol/// #include < iostream .h >

Main (){Int I ;For ( i=1;i


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The sum = 415

Ex ( 56 ):- (5-1)

1!+2!+3!+4!+5!Sol/// #include Main (){

Int sum =0 ;For ( int i=1 ;i=1;j++)p=p*j;

Sum =sum + p;}Cout


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Sum = 153

Ex ( 57 ):- (9-1)

(while) (for)

Sol///

# include < iostream .h >Main (){Cout


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num =1 ;Cout


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}

R= 5.62691 Ex ( 59 ):-

for,

,

9/3.

Sol///

# include < iostream .h >Main (){Boolean prime = true ;Int num ;Cin >> num ;

For ( int i=2;i


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}}If ( prime= = true )Cout


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Ex (61):-

yY = x/1!+x2/2!..........xn/n!?

x1xn, 1

x.

.

Sol/// # include < iostream .h >Main (){Int x; float sum =0 ;Float f=1; float y ;

Int I,j;Cout


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}For ( j= 1; j< =x; j++){F=f* j ;}Y = sum / f ;Cout


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# include < iostream .h >Main (){Int day ;Cout


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c++ for beginner // by hussein abed hilal