#include <stdio.h> int main() { float m,sum=0.0; int n,i; float a[n+1]; scanf("%f%d",&m,&n); a[0]=m; for(i=0;i<=n-1;i++) { a[i+1]=a[i]/2.0; } sum=m; for(i=1;i<=n-1;i++) sum=sum+a[i]*2; printf("%.2f %.2f",a[n],sum); return 0; } |
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