
Sortari, interclasare, fisiere
Quiz
•
Computers
•
10th Grade
•
Medium
Laurentiu Lambrinoc
Used 4+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Ce se afisează, în urma executării următoarelor instrucțiuni:
int b[5]={88,87,76,36,21},i;
for( i=0;i<4;i++)
if(b[i]>b[i+1]) {aux=b[i]; b[i]=b[i+1]; b[i+1]=aux;}
for( i=0;i<4;i++) cout<<b[i]<<' ';
87 76 36 88
88 87 76 36 21
87 76 36 21
88,87,76,36,21
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un tablou poate păstra mai multe valori. Acestea trebuie să fie:
De tipuri diferite
Constante
Întregi
De același tip
3.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Fie vectorul V[]={4,2,6,8,0,5}. Aplicând metoda bulelor pentru sortarea sa crescatoare, vom obține următoarea forma a vectorului: V[]={2,4,6,0,5,8}. Care va fi următoarea formă ?
2, 0, 4, 5, 6, 8
2, 4, 0, 5, 6, 8
0, 2, 4, 5, 6, 8
0, 2, 4, 6, 5, 8
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Fie vectorul X[]={7, 0, 4, 1, 2, 5}. Aplicând metoda selecției (determinarea minimului) pentru sortare vom obține, la un moment dat, următoarea forma a vectorului x[]={0, 1, 4, 7, 2, 5}. Care va fi ultima formă a vectorului, înainte de a fi sortat ?
0, 1, 2, 7, 7, 5
0, 1, 2, 7, 4, 5
0, 1, 2, 4, 7, 5
0, 1, 2, 5, 4, 7
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fie următoarea secvență de program:
fin>>nr_elem;
for(i=0;i<nr_elem;i++)
fin>>cost[i];
Cum ar trebui declarată variabila fin, pentru a putea-o folosi ca mai sus?
ifstream fin("date.in");
ofstream fin("date.in");
int fin;
double fin[20];
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Dacă fișierul fin ar conține valorile: 5 1.3 2.6 5 4.45 3.87, ce s-ar obține prin executarea secvenței
float x, aux=0;
for(int i=1;i<=3;i++){
fin>>x;
aux=aux+x;}
cout<<aux;
8
8.9
13.9
22.22
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Fie secvența de mai jos. Precizați care ar fi conținutul fișierului date.out, dacă pentru n s-ar citi valoarea 5293!
unsigned long n;
cin>>n;
ofstream fis("date.out");
while(n!=0) {
fis<<n<<'endl;
n=n/10; }
5293
529
52
5
5293 529 52 5
5293
529
5293
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