Question

42.To learn how nested for loops work, do a walk-through of the fol-lowing program segments and determine, in each case, the exact out-put. (4, 7)

A)

int i, j;for (i = 1; i <= 5; i++) { for (j = 1; j <= 5; j++) cout << setw(3) << i; cout << endl;}

B)

int i, j; for (i = 1; i <= 5; i++) { for (j = (i 1 1); j <= 5; j++) cout << setw(5) << j; cout << endl; }

C)

int i, j; for (i = 1; i <= 5; i++) {for (j = 1; j <= i; j++) cout << setw(3) << j; cout << endl; }

D)

const int M = 10;const int N = 10;int i, j; for (i = 1; i <= M; i++){for (j = 1; j <= N; j++) cout << setw(3) << M * (i - 1) + j; cout << endl; }

Answer 1

A)

b) error

c)

d)