Someone decided to use the following C code as part of a benchmark to determine the performance of a computer including its memory. It has two potential faults. What are they?

for (i=0; i < 100; i++) {

p = q * s + 12345

x = 0.0;

for (j = 0; j < 60000; j++) {

x = x + A [j] * B [j];

}

}