The strcmp(string1,string2) function compares string1 to string2. It is a value

Question

The strcmp(string1,string2) function compares string1 to string2. It is a value returning function that returns a negative integer if string1 < string2, 0 if string1 == string2, and a positive integer if string1 > string2. Write a program that reads two names (last name first followed by a comma followed by the first name) and then prints them in alphabetical order. The two names should be stored in separate character arrays holding a maximum of 25 characters each. Use the strcmp() function to make the comparison of the two names. Remember that 'a' < 'b', 'b' < 'c', etc. Be sure to include the proper header file to use strcmp().

Explanation / Answer

#include<stdio.h>

#include<stdlib.h>

#include<math.h>

#include<string.h>

int main()

{

int num,i,j,k;

char name[50];

printf("Enter the number for which you want to enter the names ");

scanf("%d",&num);

char lastname[num][25];

char firstname[num][25];

for(i=0;i<num;i++)

{

printf("Enter the last name followed by first name separated by a comma ");

scanf("%s",name);

j=0;

k=0;

while(name[j]!=',')

{

lastname[i][j]=name[j];

j++;

}

j++;

while(name[j]!='')

{

firstname[i][k++]=name[j];

j++;

}

}

// Now use strcmp to sort !!

}

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