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Q Instructiuni repetitive C++

Authored by Laurentiu Lambrinoc

Computers

9th - 10th Grade

Used 5+ times

Q Instructiuni repetitive C++
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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ce efect are executarea secventei:

x=1;

while (x<=10)

{

if(x%2 ==1) cout <<x;

else cout<<x-1;

x=x+1;

}

Niciun efect, ar genera eroare

1133557799

12345678910

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Scrieti valoarea lui x, dupa executarea secventei:

for(i=1;i<=5;i++)

x=x+1;

5

6

7

8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ce efect are executarea secventei ?

a=5;

if(a%5==0); cout<<"Divizibil prin 5";

else cout<<"Nu e divizibil prin 5";

Nu afiseaza nimic, da eroare

Divizibil prin 5

Nu e divizibil prin 5

4.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Scrieti programul C++ corespunzator algoritmului de mai jos!

citeşte x (număr natural nenul)

cât timp x>0 execută

citeşte y (număr natural)

dacă x>y atunci scrie x%10

altfel scrie y%10

x=y

sfarsit cat timp

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

2. Scrieţi ce afişează secventa urmatoare pentru a=5 şi b=17!

cin>> a>>b;

if(a<b) {aux=a;a=b;b=aux;}

for(x=a; x>=b;x=x-1)

if( x%2!=0) cout<< x<<’ ’;

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