题解 | #网购#
网购
https://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
float p,m,d,q;
cin>>p>>m>>d>>q;
if(m==11&&d==11)
{p=p*0.7;
if(q==1)
p=p-50;
else;
}
else;
if(m==12&&d==12)
{p=p*0.8;
if(q==1)
p=p-50;
else;
}
else;
cout<<setiosflags(ios::fixed)<<setprecision(2);
if(p>=0)
cout<<p;
else
cout<<"0.00";
return 0;
}
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