computer programming void

Computer Programming, pls help someone?
include # Include void main (void) (/ / Resistance float DECLARE, voltage, current, printf ("Calculate the resistance n work ') printf (" Enter the effective resistance: "); scanf ("% f", and resistance) printf ("Enter the voltage:") scanf ("% .2 f", & voltage); printf ("Enter current ") scanf ("% .2 f ", and current) / / calculate and print resistance = (voltage) / (current) if (strength <0) (Printf ("Error resistance is out of range")) else (resistance to> 0) (printf ("Resistance is the right")) exit (0)) / / End main Pls someone help me out what is wrong. Thank you.
more (strength> 0); There are two errors here … 1. otherwise not not use if … 2. do not put a semicolon aftr others …. by the way …. do not years …. logic Why focus on the value of resistance, if you calculate yu're first? and exit (0) at the end is not necessary …. should work fine without him ….