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#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
using namespace std;
int main()
{
int money;
while (cin >> money) {
if (money < 1000) {
cout << "discount=1,pay=" << money;
}
else if (money >= 1000 && money < 2000) {
cout << "discount=0.95,pay=" << money * 0.95;
}
else if (money >= 2000 && money < 3000) {
cout << "discount=0.9,pay=" << money * 0.9;
}
e...
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