21 lines
323 B
C++
21 lines
323 B
C++
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#include<iostream>
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using namespace std;
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int main() {
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int a;
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double s;i
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f(a<=10);{
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s=0.8*a+0.2;
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cout<<setprecision(2)<<fixed<<s<<endl;
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}else if(a<=30){
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s=0.8*a+0.2;
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cout<<setprecision(2)<<fixed<<s<<endl;
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}else if(a<=30){
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s=0.8*a+0.2;
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cout<<setprecision(2)<<fixed<<s<<endl;
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}
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cin>>a;
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i
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return 0;
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}
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