#include "stdio.h" #include "math.h" #include "string.h" void main() { double m,i,n; double sum=0; scanf("%lf%lf",&m,&n); sum=m; m=m/2; for(i=1;i<n;i++) { sum=sum+m*2; m=m/2; } printf("%.2lf %.2lf",m,sum); } |
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