Question

1 int i, j, k;
2 for (i = 1; i <= 4; i++)
3 {
4 j = 1;
5 while (j < 4)
6 {
7 if (i % 2 == j % 2)
8 k = 100*i + 10*j;
9 else
10 k = 100*j + 10*i;
11 j++;
12 }
13 }

What will be the value of the variable k at the end of the third, sixth, ninth, and twelfth iteration of the while loop

Answer 1

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In iteration 1 the value of i is 1 j is 1 and the value of k is 110
In iteration 2 the value of i is 1 j is 2 and the value of k is 210
In iteration 3 the value of i is 1 j is 3 and the value of k is 130
In iteration 4 the value of i is 2 j is 1 and the value of k is 120
In iteration 5 the value of i is 2 j is 2 and the value of k is 220
In iteration 6 the value of i is 2 j is 3 and the value of k is 320
In iteration 7 the value of i is 3 j is 1 and the value of k is 310
In iteration 8 the value of i is 3 j is 2 and the value of k is 230
In iteration 9 the value of i is 3 j is 3 and the value of k is 330
In iteration 10 the value of i is 4 j is 1 and the value of k is 140
In iteration 11 the value of i is 4 j is 2 and the value of k is 420
In iteration 12 the value of i is 4 j is 3 and the value of k is 340