
Matrice
Authored by Laurentiu Lambrinoc
Computers
9th - 10th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre cele de mai jos este declararea unei matrice?
array mat[20] [20];
int mat[20][20];
int mat[20, 20];
char mat[20];
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Daca numele matricei din imagine este M, care dintre urmatoarele expresii se refera la elementul rosu?
M[3][2]
M[4][3]
M[3][4]
M[2][3]
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Pentru matricea din desenul alaturat, care este indicele maxim de linie si indicele maxim de coloana? (scrieti cele doua valori in ordine, separate prin spatiu)
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Fie matricea declarata si initializata mai jos! Scrie rezultatul executarii codului de mai jos!
int MATRICE[3][3] = {3, 12, 23, 41, 55, 16, 22, 8, -59};
int i,j;
for (i = 0; i < 3; i = i + 1)
cout<<MATRICE[i][i]<<' ';
5.
OPEN ENDED QUESTION
1 min • 1 pt
Fie secventa de cod de mai jos! Descrie in cuvinte rezultatul executarii ei!
int m[5][3];
int i,j;
for(i=0;i<5;i++)
for(j=0;j<3;j++)
m[i][j]=0;
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6.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Fie o matrice M cu 20 de linii și 21 de coloane, care conține următoarele elemente: M[i][j] = i*i dacă i = j, M[i][j] = min{i, j} dacă i ≠ j, pentru 1≤i≤20, 1≤j≤21. Care este suma tuturor elementelor din matrice?
10040;
4042
2560
5740
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Variabila j este de tip întreg, iar variabila A memorează un tablou bidimensional cu 100 de linii și 100 de coloane, numerotate de la 0 la 99. Indicați valoarea variabilei j, dacă elementul A[20][j] se află pe diagonala secundară a tabloului.
20
49
79
80
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