C program to calculate employee salary using structures

Write a C program to calculate employee salary using structures.

  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>

  /* structure to store employee salary details */
  struct employee {
        int empId;
        char name[32];
        int basic, hra, da, ma;
        int pf, insurance;
        float gross, net;
  };

  /* prints payslip for the requested employee */
  void printSalary(struct employee e1) {
        printf("Salary Slip of %s:\n", e1.name);
        printf("Employee ID: %d\n", e1.empId);
        printf("Basic Salary: %d\n", e1.basic);
        printf("House Rent Allowance: %d\n", e1.hra);
        printf("Dearness Allowance: %d\n", e1.da);
        printf("Medical Allowance: %d\n", e1.ma);
        printf("Gross Salary: %.2f Rupees\n", e1.gross);

        printf("\nDeductions: \n");
        printf("Provident fund: %d\n", e1.pf);
        printf("Insurance: %d\n", e1.insurance);
        printf("\nNet Salary: %.2f Rupees\n\n", e1.net);
        return;
  }

  int main() {

        int i, ch, num, flag, empID;

        struct employee *e1;

        /* get the number of employees from the user  */

        printf("Enter the number of employees:");

        scanf("%d", &num);

        /* dynamically allocate memory to store employee salary details */

        e1 = (struct employee *)malloc(sizeof(struct employee) * num);

        /* get the employee salary details from the customer */

        printf("Enter your input for every employee:\n");

        for (i = 0; i < num; i++) {

                printf("Employee ID:");

                scanf("%d", &(e1[i].empId));

                getchar();

                printf("Employee Name:");

                fgets(e1[i].name, 32, stdin);

                e1[i].name[strlen(e1[i].name) - 1] = '\0';

                printf("Basic Salary, HRA:");

                scanf("%d%d", &(e1[i].basic), &(e1[i].hra));

                printf("DA, Medical Allowance:");

                scanf("%d%d", &(e1[i].da), &(e1[i].ma));

                printf("PF and Insurance:");

                scanf("%d%d", &(e1[i].pf), &(e1[i].insurance));

                printf("\n");

        }

        /* gross and net salary calculation */

        for (i = 0; i < num; i++) {

                e1[i].gross = e1[i].basic +

                        (e1[i].hra * e1[i].basic) / 100 +

                                (e1[i].da * e1[i].basic) / 100 +

                                        (e1[i].ma * e1[i].basic) / 100;

                e1[i].net = e1[i].gross - (e1[i].pf + e1[i].insurance);

        }

        /* printing payslip for the given employee ID */

        while (1) {

                printf("Enter employee ID to get payslip:");

                scanf("%d", &empID);

                flag = 0;

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

                        if (empID == e1[i].empId) {

                                printSalary(e1[i]);

                                flag = 1;

                        }

                }

                if (!flag) {

                        printf("No Record Found!!\n");

                }

                printf("Do You Want To Continue(1/0):");

                scanf("%d", &ch);

                if (!ch) {

                        break;

                }

        }

        return 0;

  }

  Output:

  jp@jp-VirtualBox:~/$ ./a.out
  Enter the number of employees:3
  Enter your input for every employee:
  Employee ID:101
  Employee Name:Sam
  Basic Salary, HRA:5000 500
  DA, Medical Allowance:300 500
  PF and Insurance:1000 400

  Employee ID:102
  Employee Name:Ram
  Basic Salary, HRA:3000 200
  DA, Medical Allowance:300 500
  PF and Insurance:800 200

  Employee ID:103
  Employee Name:Raj
  Basic Salary, HRA:4000 300
  DA, Medical Allowance:300 500
  PF and Insurance:1000 200

  Enter employee ID to get payslip:102
  Salary Slip of Ram:
  Employee ID: 102
  Basic Salary: 3000
  House Rent Allowance: 200
  Dearness Allowance: 300
  Medical Allowance: 500
  Gross Salary: 33000.00 Rupees

  Deductions: 
  Provident fund: 800
  Insurance: 200
  Net Salary: 32000.00 Rupees
  Do You Want To Continue(1/0):1

  Enter employee ID to get payslip:101
  Salary Slip of Sam:
  Employee ID: 101
  Basic Salary: 5000
  House Rent Allowance: 500
  Dearness Allowance: 300
  Medical Allowance: 500
  Gross Salary: 70000.00 Rupees

  Deductions: 
  Provident fund: 1000
  Insurance: 400
  Net Salary: 68600.00 Rupees

  Do You Want To Continue(1/0):1
  Enter employee ID to get payslip:4
  No Record Found!!

  Do You Want To Continue(1/0):0