Evaluate C for-loop execution count

Q: Evaluate C for-loop execution count

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Question

In C, variables m and n are both of type int. Consider the following code:

int m, n;
for (m = 0, n = -1; n = 0; m++, n++)
    n++;

In standard C semantics (where = is assignment, not comparison), how many times does the loop body (n++ inside the loop) execute?

Options:

A. The loop body executes 0 times
B. The loop body executes 1 time
C. The loop is infinite
D. There is a runtime error

Evaluate C for-loop execution count

Solution

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