Created
April 14, 2018 09:00
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2018/4/12
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| #include <iostream> | |
| using namespace std; | |
| int main(){ | |
| int x; | |
| while (cin>>x){ | |
| if (x>0){ | |
| cout << x*2-1 << "\n"; | |
| } else if (x<0){ | |
| cout << x*-2 << "\n"; | |
| } | |
| } | |
| } |
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