Exercise 2.4 Calculating average hourly pay rate
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时间：2015年06月09日
#include <stdio.h> int main (void) { double pay = 0.0; double hours = 0.0; int dollars = 0; int cents = 0; //ger the weekly pay printf ("Enter your weekly pay in the dollars:"); scanf ("%lf", pay); //get the weekly hours printf ("Enter your hours worked"); scanf ("%lf", hours); //calculate the average hourly rate -dollars first dollars = (int)(pay)/(hours); //get the cents ：subtract the dollars from the hours rate and then multiply by 100 to get the cents // If we then add 0.5 and convert the result back to an integer , it will be th nearest cent. cents = (int)(100*(pay/hours - dollars) + 0.5); //output the average houly rate printf ("%d dollars %d cents", dollars, cents) ; return 0; }
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