hdoj 2009
AC代码(C语言)
#include<stdio.h>
#include<math.h>
int main() {
double n, m;
while(scanf("%lf%lf", &n, &m)!=EOF) {
double ans = n;
double tmp = n;
for(int i = 1; i <= m-1; i++) {
tmp = sqrt(tmp);
ans += tmp;
}
printf("%.2lf\n", ans);
}
return 0;
}