#include <stdio.h>int main(){??? double a,b,c,s,p;??? scanf("%lf%lf%lf",&a,&b,&c);??? p=(a+b+c)/2;??? s=sqrt[p*(p-a）*（p-b)*(p-c)];??? printf("%.2f",s);??? return 0;}
第7行代碼哪里有問題啊
qq_O_djsuwQ
2018-10-18 14:07:42
