#include <stdio.h>
#include <math.h>

/* function declaration & definition */
void parallel(int r1,int r2,int rS) {
    /* foo */
}

/* fucntion declaration & definition */
void series(int r1,int r2,int rS) {
    /* foo */
}


void main () {

    char mode;
    int r1,r2,rS; /*Get all the values we need */
    printf("Input resistor value 1\n");
    scanf("%u",r1);
    printf("Input resistor value 2\n");
    scanf("%u",r2);
    rS = r1 + r2;
    printf("Press 1 for parallel resistors\n\nPress 2 for serial resistors\n"); /*Ask for mode*/
        switch (mode) {
            case 1:
                parallel(r1,r2,rS);
                printf("Total resistance is %.2f\n",&rT);
            break;
            case 2:
                series(r1,r2,rS);
                printf("Total resistance is %u\n",&rT);
            break;
        }

    mode = getche();
}