#include <stdio.h>
#include <stdlib.h>

double pchange[][2] = {0.8,1.0,0.4,0.8,0.2,0.8};
int state = 0;
int hare,kumori,ame;
int i,n;
double rnd;
void main(){
	n=10000;
	hare=0;kumori=0;ame=0;
	for(i=0;i<n;i++){	 
		rnd = (rand()%10000)/10000.0;	
		if(pchange[state][0]>rnd){
			state=0;
			hare++;
		}else if(pchange[state][1]>rnd){
			state=1;
			kumori++;
		}else{
			state=2;
			ame++;
		}
		printf("rnd=%lf,state=%d\n",rnd,state);
	}
	printf("hare %lf,kumori %lf,ame %lf\n",(double)hare/n,(double)kumori/n,(double)ame/n);
}