
Recursia
Authored by Liuda Josan
Professional Development
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avem următorul algoritm recursiv:
F(0) = 1, F(1) = 1
F(n) = F(n–1) + F(n-2), n > 1
Cu ce este egală valoarea funcției F(7)?
În răspuns avem numai partea întreagă a numărului.
25
21
35
24
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcululul următorului membru al progresiei aritmetice este prezentat prin algoritmul recursiv?
da
nu
uneori
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avem următorul algoritm recursiv:
F(1)= 1; F(2)=1;
F(n) = F(n-2) * n, n >2.
Cu ce este egală valoarea funcției F(7)? În răspuns avem numai
numărul natural.
87
105
93
117
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avem următorul algoritm recursiv:
F(1) = 1
F(2) = 2
F(n) = F(n–1) − F(n–2) + 2 * n, n >2
Cu ce este egală valoarea funcției F(6)?
14
1
16
15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se consideră funcţia f definită recursiv. Ce va returna f(5)? int f(int i)
{
if (i==0) return 0;
if(i%2==0) return f(i-1)+i;
else return f(i-1)-i;
}
-4
-3
0
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se consideră funcţia f definită recursiv.
Ce va returna f(6)?
int f(int x)
{
if(x<=1) return x;
else return f(x-2)+x;
}
6
8
12
15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se consideră funcţia f definită recursiv.
Ce va returna f(3)?
float f(int i)
{
if (i==0) return 0;
return f(i-1)+i*(i+1);
}
15
10
20
5
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