这才是认真作弊🎉️

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
#define MAXN 300000
char s[MAXN];
int main(){
	fgets(s,sizeof(s),stdin);
	int cnt = 0 ;
	int len = strlen(s);
	int flag = 1 , d = 0;
	for(int i = 0;i<len;i++){
		if(isalpha(s[i])){
			if(0-flag!=0)cnt++;
			flag = 0;
			d++;
		}else{flag = 1;}
	}
	printf("%.1lf\n",d,cnt,1.0*d/cnt);
	return 0;
}