54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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/* Structure - Mobile customers -Program to read the names of mobile customers through keyboard and sort them alphabetically on last name. Display the sorted list on monitor. */
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#include <stdio.h>
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#include <conio.h>
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#include <string.h>
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void main()
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{
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struct name
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{
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char fname[20] ;
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char lname[20] ;
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} ;
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struct name x[50], temp ;
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int i, j, n ;
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clrscr() ;
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printf("Enter the number of mobile customers: ") ;
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scanf("%d", &n) ;
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printf("Enter names of mobile customers in the format: \n") ;
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printf("FIRST NAME LAST NAME \n") ;
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for(i=0 ; i<n ; i++)
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scanf("%s %s", x[i].fname, x[i].lname) ;
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for(i=0 ; i<n-1 ; i++)
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for(j=0 ; j<n-1-i ; j++)
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if( strcmp(x[j].lname, x[j+1].lname) >0 )
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{
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temp=x[j] ;
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x[j]=x[j+1] ;
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x[j+1]=temp ;
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}
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printf("\nList sorted alphabetically as per last name is as shown:\n") ;
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for(i=0; i<n; i++)
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printf("%s %s \n", x[i].fname, x[i].lname) ;
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getch() ;
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}
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/* In this program I have used strcmp() to compare two strings. strcmp() is case sensitive. A better option is to use strcmpi() which is not case sensitive. However, some compilers do not support strcmpi() */
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/*
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Output:
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Enter the number of mobile customers: 3
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Enter names of mobile customers in the format:
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FIRST NAME LAST NAME
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Tarun Kapoor
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Sandeep Gupta
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Amit Doshi
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List sorted alphabetically as per last name is as shown:
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Amit Doshi
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Sandeep Gupta
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Tarun Kapoor
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*/
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