

Tablouri
Presentation
•
Computers
•
10th Grade
•
Medium
Marilena Vilciu
Used 11+ times
FREE Resource
4 Slides • 15 Questions
1
Vectori

2
Vectorii - tablouri unidimensionale
Sunt date structurate, omogene, indexate
Structurate - conțin mai multe valori
omogene - toate elementele au același tip
indexate - toate elementele sunt numerotate
3
Declarare
tip_bază nume_vector[dim_maxima];
Ex: float a[30]; //declar vect a cu maxim 30 numere reale
4
Inițializare
Ex: int c[4]={2,3,1,5};
s-a declarat un vector cu 4 elemente:
Ex: int c[]={2,3,1,5};
Dacă este inițializat, vectorul primește automat dimensiunea maximă ce rezultă din nr de elemente.
5
Multiple Choice
int v[5]={1,2,3,4,5};
v[0]=?
1
nu există
6
Multiple Choice
int v[5]={1,2,3,4,5};
v[4]=?
4
5
7
Multiple Select
int v[5]={1,2,3,4,5};
Al treilea element este:
Alegeți toate variantele
v[2]
3
v[3]
4
8
Multiple Select
int v[5]={1,2,3,4,5};
Ultimul element este:
Alegeți toate variantele
v[5]
5
v[4]
9
Multiple Select
int v[?]={1,2,3,4,5};
Alegeți toate variantele
5
poate lipsi
4
10
Multiple Choice
Cum declar un șir v de 10 numere întregi?
int a[10];
int v[];
int v[10];
float v[10];
char v[10];
11
Fill in the Blanks
Cum declar un șir a de 8 numere reale?
Type answer...
12
Fill in the Blanks
Cum declar un șir a de 8 caractere?
Type answer...
13
Multiple Choice
int v[]={1,2,3,4,5};
cout<<v[0]<<v[1]<<v[2]<<v[3]<<v[4]<<v[5];
Ce se afișeaza?
01234
12345
v[0]v[1]v[2]v[3]v[4]
14
Multiple Choice
int v[]={1,2,3,4,5};
for(int i=0;i<5;i++)
cout<<v[i];
Ce se afișeaza?
12345
01234
v[0]v[1]v[2]v[3]v[4]
15
Multiple Choice
int v[]={1,2,3,4,5};
for(int i=4;i>=0;i--)
cout<<v[i];
Ce se afișeaza?
4321
43210
54321
16
Multiple Choice
int v[3];
cin>>v[0]>>v[1]>>v[2];
Ce face secvența?
Citește 3 vectori
Citește un vector cu 3 elemente
17
Multiple Choice
int v[3];
cin>>v[3];
citește ultimul element
citește vectorul
nu are sens
18
Multiple Choice
int v[3];
cin>>v[0]>>v[1]>>v[2];
Care variantă corespunde citirii?
for(int i=0; i<3, i++)
cin>>v[i];
for(int i=0; i<3, i++)
cin>>i;
cin>>v[3];
cin>>v;
19
Multiple Choice
int pare[5]; //0 2 4 6 8
for(int i=0;i<5;i++)
v[i]= ?
i / 2
2 * i
i % 2
Vectori

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