#include<stdio.h> #include<math.h> void main(){ int a,b,c; double s; scanf("%d %d %d",&a,&b,&c); s=(a+b+c)/2; if((a+b>c)&&(fabs(a-b)<c)||(a+c>b)&&(fabs(a-c)<b)||(c+b>a)&&(fabs(c-b)<a)) printf("%d",s*(s-a)*(s-b)*(s-c)); } |
Double click to view unformatted code.