C语言作业

#include #include int main (){int num,i,j;double arry[20][3],C,area;printf("请输入三角形的个数，不要超过20个：\n");scanf("%d",&num);printf("请依次输入三角形的边长，按空格隔开\n"); for (i=1;iarry[i][2])&&(arry[i][0]+arry[i][2]>arry[i][1])&&(arr