解いてみる
SRM 440 DIV2 250
#include <cmath> #include <vector> using namespace std; class IncredibleMachineEasy { public: double gravitationalAcceleration(vector <int> height, int T); }; double IncredibleMachineEasy::gravitationalAcceleration(vector <int> height, int T) { double sum = 0.0; for (int i = 0; i < height.size(); i++){ sum += sqrt(height[i]); } sum *= sum; return sum / (0.5 * T * T); }
C++わかんね。