int random string generator c++
string gen_random(int len) {
string s;
static const char alphanum[] =
"0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
for (int i = 0; i < len; ++i) {
s+= alphanum[rand() % (sizeof(alphanum) - 1)];
}
return s;random key generator c++ all unique characters
#include<iostream>
using namespace std;
int main()
{
float amount, discount, topaid;
cout<<"Enter Total Amount: ";
cin>>amount;
if(amount<=100)
cout<<"Amount to be Paid: "<<amount;
else
{
if(amount>100 && amount<=200)
{
discount = (amount*5)/100;
topaid = amount-discount;
}
else if(amount>200 && amount<=400)
{
discount = (amount*10)/100;
topaid = amount-discount;
}
else if(amount>400 && amount<=800)
{
discount = (amount*20)/100;
topaid = amount-discount;
}
else
{
discount = (amount*25)/100;
topaid = amount-discount;
}
cout<<"Amount to be Paid: "<<topaid;
}
cout<<endl;
return 0;Copyright © 2021 Codeinu
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