#include <iostream> using namespace std; void showMenu(){ cout<<"**********MENU**********"<<endl; cout<<"1. Check balance"<< endl; cout<<"2. Deposit"<< endl; cout<<"3. Withdraw"<< endl; cout<<"4. Exit"<< endl; cout<<"************************"<<endl; } int main() { // check balance,deposit,withdraw, show menu int option; double balance=500; do{ showMenu(); cout<<"Please choose option: "; cin>>option; system("cls"); switch(option){ case 1: cout<<"Balance is: "<< balance << " $"<< endl; break; case 2: cout<<"Deposit amount:"; double depositAmount; cin>> depositAmount; balance+= depositAmount; break; case 3: cout<<"withdraw amount:"; double widthdrawAmount; cin >> widthdrawAmount; if(widthdrawAmount<=balance) balance -= widthdrawAmount; else cout<<"Insufficient Funds"<<endl; break; } } while(option!=4); system("pause>0"); }
Write, Run & Share C++ code online using OneCompiler's C++ online compiler for free. It's one of the robust, feature-rich online compilers for C++ language, running on the latest version 17. Getting started with the OneCompiler's C++ compiler is simple and pretty fast. The editor shows sample boilerplate code when you choose language as C++
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OneCompiler's C++ online compiler supports stdin and users can give inputs to programs using the STDIN textbox under the I/O tab. Following is a sample program which takes name as input and print your name with hello.
#include <iostream>
#include <string>
using namespace std;
int main()
{
string name;
cout << "Enter name:";
getline (cin, name);
cout << "Hello " << name;
return 0;
}
C++ is a widely used middle-level programming language.
When ever you want to perform a set of operations based on a condition If-Else is used.
if(conditional-expression) {
//code
}
else {
//code
}
You can also use if-else for nested Ifs and If-Else-If ladder when multiple conditions are to be performed on a single variable.
Switch is an alternative to If-Else-If ladder.
switch(conditional-expression){
case value1:
// code
break; // optional
case value2:
// code
break; // optional
......
default:
code to be executed when all the above cases are not matched;
}
For loop is used to iterate a set of statements based on a condition.
for(Initialization; Condition; Increment/decrement){
//code
}
While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.
while (condition) {
// code
}
Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.
do {
// code
} while (condition);
Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity. Function gets run only when it is called.
return_type function_name(parameters);
function_name (parameters)
return_type function_name(parameters) {
// code
}