题解 | 求三角形的面积向量叉积
求三角形的面积
https://www.nowcoder.com/practice/748ed2b808814cb09ce958f8ca7ad484
for _ in range(int(input())):
x1, y1, x2, y2, x3, y3 = map(int, input().split())
print(f"{abs((x3-x1)*(y3-y2)-(y3-y1)*(x3-x2))/2:.2f}")
求三角形的面积
https://www.nowcoder.com/practice/748ed2b808814cb09ce958f8ca7ad484
for _ in range(int(input())):
x1, y1, x2, y2, x3, y3 = map(int, input().split())
print(f"{abs((x3-x1)*(y3-y2)-(y3-y1)*(x3-x2))/2:.2f}")
相关推荐
程序员花海:实习和校招简历正确格式应该是教育背景+实习+项目经历+个人评价 其中项目经历注意要体现业务 实习经历里面的业务更是要自圆其说 简历模板尽可能保持干净整洁 不要太花哨的