#include<iostream.h> #include<conio.h> void main() { int calls; float bill; cout<<" Enter number of calls : "; cin>>calls; if (calls<=100) bill=200; else if (calls>100 && calls<=150) { calls=calls-100; bill=200+(0.60*calls); } else if (calls>150 && calls<=200) { calls=calls-150; bill=200+(0.60*50)+(0.50*calls); } else { calls=calls-200; bill=200+(0.60*50)+(0.50*50)+(0.40*calls); } cout<<" Your bill is Rs. "<<bill; getch(); } Output: Enter number of calls : 190 Your bill is Rs.250
#include<iostream.h> #include<stdio.h> #include<conio.h> class BOOK { int BOOKNO; char BOOKTITLE[20]; float PRICE; void TOTAL_COST( int N) { float tcost; tcost=PRICE*N; cout<<tcost; } public : void INPUT() { cout<<" Enter Book Number "; cin>>BOOKNO; cout<<" Enter Book Title "; gets(BOOKTITLE); cout<<" Enter price per copy "; cin>>PRICE; } void PURCHASE() { int n; cout<<" Enter number of copies to purchase "; cin>>n; cout<<" Total cost is "; TOTAL_COST(n); } }; void main() { BOOK obj; obj.INPUT(); obj.PURCHASE(); getch(); }
can we omitt semicolon without using if()
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