# Back to High School Physics 題目連結 [UVA 10071](https://onlinejudge.org/external/100/10071.pdf) ## 中文簡述 輸入兩個數字`v` `t`,輸出`2*v*t` ## solution: ``` #include <iostream> using namespace std; int main() { int t, v; while (cin >> t >> v) { cout << 2 * t * v << endl; } return 0; } ``` ###### tags: `UVA` 回目錄 [學習筆記](/gIBZqAbWTCis7uOPp149gA)