Calculating the Area of Circle - Simple

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Points: 1 (partial)
Time limit: 5.0s
Memory limit: 64M
Authors:
scu10153482, scu11010336
Problem type

題目說明

計算圓面積(PI=3.14)

輸入

半徑數值

輸出

圓面積

範例輸入 #1

5

範例輸出 #1

78.5

範例輸入 #2

3.5

範例輸出 #2

38.465

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