#include <stdio.h>
#include <math.h>
/*
http://w...content-available-to-author-only...d.com/forum_thread.php?id=895&nowrap=true#8728
*/
int main(void) {
int k,b,n;
double log_n,score;
const double digit_score=1.50733E+17;
scanf("%d%d%d",&k
,&b
,&n
); score
=log_n
*log_n
*log_n
*log(log_n
)/digit_score
; printf("score of %d*%d^%d+/-1 is %f\n",k
,b
,n
,score
); return 0;
}
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