#include<stdio.h>
int main()
{
    int yos;
    double salary;
    char time;

    printf("Please enter your employee status, 'P' for Fulltime and 'P' for Parttime: n");
    scanf_s("%c", &time);
    printf("Please enter your year of service: n");
    scanf_s("%d", &yos);
    printf("Please enter your current salary: n");
    scanf_s("%lf", &salary);

    switch (time)
    {
    case 'F':
    case 'f':
        if (yos >= 5)
        {
            salary = (salary*5.0 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        else if (yos < 5 )
        {
            salary = (salary*4.0 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        break;

    case 'P':
    case 'p':
        if (yos >= 5)
        {
            salary = (salary*3.0 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        else if (yos < 5 )
        {
            salary = (salary*2.5 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        break;
    default:
        printf("Please put the details correctlyn");
    }

    return(0);
}

Please enter your employee status, 'P' for Fulltime and 'P' for Parttime:
F
Please enter your year of service:
6
Please enter your current salary:
200
Please put the details correctly
Press any key to continue

#include<stdio.h>
int main()
{
    int yos;
    double salary;
    char time;

    printf("Please enter your employee status, 'P' for Fulltime and 'P' for Parttime: n");
    scanf_s("%c", &time);
    printf("Please enter your year of service: n");
    scanf_s("%d", &yos);
    printf("Please enter your current salary: n");
    scanf_s("%lf", &salary);

    if (char time == 'F' && yos >= 5)
    {
        salary = (salary*5.0 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }

    else if (char time == 'F' && yos < 5)
    {
        salary = (salary*4.0 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }

    if (char time == 'P' && yos >= 5)
    {
        salary = (salary*3.0 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }

    else if (char time == 'P' && yos < 5)
    {
        salary == (salary*2.5 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }
    return(0);
}

error c2143 missing ',' before '==' at line 15, 21, 27...

Warning 11  warning C4553: '==' : operator has no effect; did you intend '='?

#include<stdio.h>

int main() {
    int yos;
    double salary;
    char time;

    printf("Please enter your employee status, 'F' for Fulltime and 'P' for Parttime: n");
    scanf("%c", &time);
    printf("Please enter your year of service: n");
    scanf("%d", &yos);
    printf("Please enter your current salary: n");
    scanf("%lf", &salary);

    switch (time) {
        case 'F':
        case 'f':
            if (yos >= 5) {
                salary = (salary * 5.0 / 100.0) + salary;
                printf("nYour new salary is %.2lf", salary);
            }
            else if (yos < 5) {
                salary = (salary * 4.0 / 100.0) + salary;
                printf("nYour new salary is %.2lf", salary);
            }
            break;

        case 'P':
        case 'p':
            if (yos >= 5) {
                salary = (salary * 3.0 / 100.0) + salary;
                printf("nYour new salary is %.2lf", salary);
            }
            else if (yos < 5) {
                salary = (salary * 2.5 / 100.0) + salary;
                printf("nYour new salary is %.2lf", salary);
            }
            break;
        default:
            printf("Please put the details correctlyn");
    }

    return (0);
}

Please enter your employee status, 'F' for Fulltime and 'P' for Parttime:
F
Please enter your year of service:
6
Please enter your current salary:
200

Your new salary is 210.00

#include<stdio.h>
int main()
{
    int yos;
    double salary;
    char time;

    printf("Please enter your employee status, 'P' for Fulltime and 'P' for Parttime: n");
    scanf("%c", &time);
    printf("Please enter your year of service: n");
    scanf("%d", &yos);
    printf("Please enter your current salary: n");
    scanf("%lf", &salary);

    if (time == 'F' && yos >= 5)
    {
        salary = (salary*5.0 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }

    else if (time == 'F' && yos < 5)
    {
        salary = (salary*4.0 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }

    if (time == 'P' && yos >= 5)
    {
        salary = (salary*3.0 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }

    else if (time == 'P' && yos < 5)
    {
        salary == (salary*2.5 / 100.0) + salary;
        printf("nYour new salary is %.2lf", salary);
    }
    return(0);
}

#include<stdio.h>
int main()
{
    int yos;
    double salary;
    char time;

    printf("Please enter your employee status, 'F' for Fulltime and 'P' for Parttime: n");
    scanf("%c", &time);
    printf("Please enter your year of service: n");
    scanf("%d", &yos);
    printf("Please enter your current salary: n");
    scanf("%lf", &salary);

    int status;
    if(time=='F'||time=='f')
        status = 1;
    if(time=='P'||time=='p')
    status = 2;
    switch (status)
    {
    case 1:
        if (yos >= 5)
        {
            salary = (salary*5.0 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        else if (yos < 5 )
        {
            salary = (salary*4.0 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        break;

    case 2:
        if (yos >= 5)
        {
            salary = (salary*3.0 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        else if (yos < 5 )
        {
            salary = (salary*2.5 / 100.0) + salary;
            printf("nYour new salary is %.2lf", salary);
        }
        break;
    default:
        printf("Please put the details correctlyn");
    }

    return(0);
}

char c;

scanf_s("%c", &c, 1);

scanf_s("%c", &time, 1);