填空题 描述下列程序的功能 #include <stdio.h> #include <math.h> int main ( ) { int n = 127, k1 = 0, k2 = 0; double x = log10(n) / log10(2); double y = log(n) / log(2); k1 = ceil(x) +1; k2 = ceil(y) +1; printf("%d %d\n", k1, k2); return 0; }