What does .compare do in c++? for example in this sorting function void employeeSort(string lastName[], char grades[], int n) { int i; int j; for (i = 0; i < n; i++) { for (j = 0; j < n - i - 1; j++) { if (lastName[j].compare(lastName[j + 1]) > 0) // If name at index j is greater than last name at index j + 1, also this is where I need help, knowing what does .compare do and do to lastName[j].compare(lastName[j + 1]) > 0 { string temp = lastName[j]; lastName[j] = lastName[j + 1]; lastName[j + 1] = temp; //Swaps names char tempo = grades[j]; grades[j] = grades[j + 1]; grades[j + 1] = tempo; //Swaps grades } } } }

What does .compare do in c++? for example in this sorting function void employeeSort(string lastName[], char grades[], int n) { int i; int j; for (i = 0; i < n; i++) { for (j = 0; j < n - i - 1; j++) { if (lastName[j].compare(lastName[j + 1]) > 0) // If name at index j is greater than last name at index j + 1, also this is where I need help, knowing what does .compare do and do to lastName[j].compare(lastName[j + 1]) > 0 { string temp = lastName[j]; lastName[j] = lastName[j + 1]; lastName[j + 1] = temp; //Swaps names char tempo = grades[j]; grades[j] = grades[j + 1]; grades[j + 1] = tempo; //Swaps grades } } } }

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter5: Repetition Statements

Section5.5: A Closer Look: Loop Programming Techniques

Problem 12E: (Program) Write a program that tests the effectiveness of the rand() library function. Start by...

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