#include int main(void){ double a = 0.0; int i, count = 0; do{ a = ++count; for(i = 0;i < 5; i++){ a = (5.0/4.0 * a) + 1; } }while((a - (int)a) > 10e-6); printf("%.0lf %d\n",a,count); return 0; }