Homework Solution 1: stack.cc

// Push a value onto the stack

void stack::push(int i)

{

if (stack_size >= MAX_STACK_ITEMS)

cerr << "stack overflow!\n";

else

data[stack_size++] = i;

}

// Pop a value off of the stack

int stack::pop()

{

if (stack_size <= 0)

cerr << "stack underflow!\n";

else

return data[--stack_size];

}

Note: exceptions are a better way to report errors. We’ll learn about them if we have time tomorrow.

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