#2303. C++-初识C++-求正方形的面积
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ID: 2303
Type: Default
1000ms
256MiB
Tried: 25
Accepted: 15
Difficulty: 4
Uploaded By:
吴泽宏 (wuzehong)
C++-初识C++-求正方形的面积
Background
Description
有一个正方形，四个角的坐标（x,y)分别是(1，-1)，(1，1)，(-1，-1)，(-1，1)，x是横轴，y是纵轴。写一个程序，计算其周长和面积。
Format
Input
Output
Samples
8
4
Limitation
1s, 1024KiB for each test case.
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