C语言 用蒙特卡洛法求圆周率 帮忙修改一下程序#include<stdlib.h> #include #include<stdio.h> #define N 30000 main() { float x,y; int c=0,d=0; srand(time(0)); while(c++<=N) {x=rand()/(double)RAND_MAX; y=rand()/(double)RAND_MAX; if(x*x+y*y<=1) d++; } printf("pi=...