Cpp-collected Lab Manual

8/10/2019 Cpp-collected Lab Manual

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Adama University

Lab-2

What is the out put of the following programs?

Example 1#include#includeint main ( )

{ clrscr();int x;int y;x= 10=10;y = x>0;cout


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Example5

#include#includeint main ( )

{ clrscr();int x=10;int y=;cout


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return 0;

Exercises

.1 rite ex/ressions or the olloin"

o test i a num%er n is e$en. o test i a character c is a di"it.

o test i a character c is a letter.

o do the test n is odd and /ositi$e or n is e$en and ne"ati$e.

o "i$e the a%solute $alue o a num%er n.. dd extra %racets to the olloin" ex/ressions to ex/licitly sho the order inhich the o/erators are e$aluated

(n = / * ? || n == 0)( (/ < ? 4 n < / 4 ? ' n * ? 2 n 1 ? * n)

.& hat ill %e the $alue o each o the olloin" $aria%les ater its initiali6ation4dou%le d = ' int(&.1@);lon" = &.1@ * &;char c=AaA& ;char c=AdAAcA*BaA ;. rite a /ro"ram hich in/uts a /ositi$e inte"er n and out/uts raised to the /oer o

n. 9int chec the li%rary unctions in the header ile.

.5 rite a /ro"ram hich in/uts three num%ers and out/uts the messa"e sorted i thenum%ers are in ascendin" order, and out/uts not sorted otherise.

.@ rite a /ro"ram that acce/t an inte"er rom the user and /rint the last di"it o the enteredinte"er.

.- rite a /ro"ram that acce/ts three num%ers rom the user and return the a$era"e o thethree num%ers.

.C rite a /ro"ram that acce/ts the tem/erature in D0 orm and "enerate the E0 e?ui$alent. 9int E0 =(D0F &) 52G

&


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Adama University

Department of CS!

Cpp-Lab-" and lab-# Exercise

hat is out /ut4Example: 1

#include void main ()

{int x;

cout > x; if (x > ) cout


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if (ch >& 6 44 ch


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brea*;case =cout


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cout


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i;H!!;,

,

Example: 1#include

void main () { int x9 ans1er; for (x & ; x


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Exercises

1. rite a /ro"ram hich in/uts a /ersonAs hei"ht (in centimetres) and ei"ht (inilo"rams) and out/uts one o the messa"es underweight, normal, or overweight,

usin" the criteria

Jnderei"ht ei"ht < hei"ht2.5Kormal hei"ht2.5


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y =&;case 1 x =;Leault

y = &;x = 1;

C. rite a /ro"ram that creates the olloin" num%er /attern.

1 & 5 @ - C G1 & 5 @ - C1 & 5 @ -1 & 5 @1 & 51 & 1 &

1 1G. rite a /ro"ram that acce/ts student mar out o 100, and return the corres/ondin"

letter "rade %ased on the olloin" conditioni mar is "reater than or e?ual to G0 Ai mar is "reater than or e?ual to C0 and less than G0 $i mar is "reater than or e?ual to@0 and less than C0 Ci mar is "reater than or e?ual to 0 and less than @0 Di mar is less than 0 %or other cases &'

&($ rite the /ro"ram usin" %oth s)itc*and else-if.

10


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Adama University

Department of CS!Cpp-Lab- + Exercise

Functions

Example: 1

#include#include$oid dd ( );$oid su% ( );$oid main (){ char ch; cout ch; sitch(ch) {

case OO 22 or addition dd ( ) ; %rea;

case OHO 22 % or su%traction su% ( ); %rea;

$oid dd(){ int a,%,c;cout a>>%;c = a %;cout


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$oid main (){ char o/;

int o/1,o/;couto/1>>o/;

cout


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$oid add (int, int, int);$oid main ( ){

add (,&);add (,&,);

"etch( );$oid add(int a, int %){ int sum; sum= a%; cout


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nat ( );nat (5);nat (1,15);"etch();

$oid nat (int a, int %){or (int =a;


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Adama University

Department of CS!Cpp-Lab-6,7 Exercises

Example !*e follo)in. pro.ram stores / nat0ral n0mbers in one array and displays t*em 1)it*

eno0.* space bet)een t*e n0mbers )*en displayed(

#include #include #include $oid main ( ) { int nP10Q;

or(int i = 0;i


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{22 e no that e need a constant num%er o elementsconst int max = 10;int num%erPmaxQ;

22 e ill calculate their sumint sum = 0;

cout


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return 0;

Example #

22 :xam/le o indin" the minimum mem%er o an array#include

int main(){

22 he mem%ers o the arrayint num%ersPQ = {C, 5, &@, , 5, @0, -5, CG;int minimum = num%ersP0Q;int a = C;

22 Eom/are the mem%ers

or (int i = 1; i < a; i) {i (num%ersPiQ < minimum)minimum = num%ersPiQ;

22 nnounce the resultcout


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Example 6

#include $oid Lis/layherray(dou%le m%rPQ, int count);

int main()

{ dou%le distancePQ = {.1, -0.5, [email protected], @C.-C, @.C, @C.0, &@.55, @&.1;

22 Urocessin" 5 mem%ers o the arraycout


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Example 4

he olloin" /ro"ram stores sales o commodities in 5 stations or & months. Wou can alsodis/lay hat you stored or checu/ /ur/ose.

#include#include#include$oid main ( ){

loat salesP5QP&Q;or(int s=0;s


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Examples /

#include#include

$oid main ( ){char str P0Q;cout


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cin>>name; cout$oid main ( ){ const int /=&0; char ch1P50Q,chP100Q=+I am /roud +; cout


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cin>>ch; i(strcm/(ch1,ch) = = 0)

cout=0;i**)

cout


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Str0ct0re

Example(

#include

#includestruct student{

char name P0Q;char idRnumP11Q;int a"e ;

;Zoid main ( )

{clrscr( );student stud1;

cout stud1. name;coutstud1. idRnum;cout


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cout


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#include#include

struct /erson

{ strin" name; int a"e; 22o course, mem%er $aria%les must %e /resent

$oid /rint (){

cout


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char title P@0Q; int year;

user PKQ;

$oid /rintmo$ie (mo$iesRt mo$ie);

int main (){ or (int n=0; n#include

struct mo$iesRt {char titleP50Q; int year;;

int main (){ strin" mystr;

mo$iesRt amo$ie; mo$iesRt ' /mo$ie; /mo$ie = amo$ie;

@


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cout


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coutem/1.home. Uost;coutem/1.home.distance;

cout


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istream myRiile(+test.txt+); hile (myRiile) {

myRiile."etline(line,V_); cout$oid main ( ){ char strPQ=+this strin" ill %e ritten to a ile character %y character+; ostream oRile(+test.txt+);

or(int T=0;T


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cin>>/ers.name;cout


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int /os;myRrec.see"(0,iosend);/os=(myRrec.tell"()2si6eo(/ers));cout

Cpp-collected Lab Manual

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