#include<iostream> #include<cmath> #include<string.h> #include<algorithm> using namespace std; #pragma warning(disable:4996) int main() { double n; int m; scanf("%lf %d", &n, &m); double temp = n; double sum = n; for (int i = 0; i < m; i++) { temp = temp / 2; sum = temp * 2 + sum; } sum = sum - temp * 2; printf("%.2lf %.2lf", temp, sum); return 0; } |
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