If string s1 is lexicographically greater than string s2, then the value returned by s2.compare(0, s2.size(), s1) must be?
A) 0
B) -1
C) A negative number.
D) A positive number.

Question

Quizplus · Accepted Answer

The compare function in C++ returns a negative value if the first string (s2 in this case) is lexicographically less than the second string (s1). Since s1 is greater than s2, s2.compare(s1) will return a negative number.

If String S1 Is Lexicographically Greater Than String S2, Then