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