- 龙凤苑中学A班4.28
再分肥宅水
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lfy49
LV 2
@
2024-4-28 17:25:43
#include<bits/stdc++.h> using namespace std; int main(){ double a; int b; cin>>a>>b;
printf("%.3lf",a/b);
cout<<endl;
cout<<b*2;
return 0;
}
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