[AD] 20171109 作業1

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小學一年級的數學

剛開始學習數學的時候，我們都是從個位數的加減乘除開始學習的，請寫一個程式，教你的程式學會個位數的加減乘除。

輸入說明：

程式會輸入三個字元，代表一個算式，會用下面的樣式呈現

運算元 運算子 運算元

其間會用單一個空白隔開，運算元是一個個位數的數子，運算子可能是+-*/中的任何一個。

輸出說明：

請輸出輸入算式的結果到整數位數

輸入範例：

1 +  2

輸出範例：

3
[Exercise] Coding (C) - asked in 2017-1 程式設計(一)AD by (18k points)
ID: 31085 - Available when: Unlimited - Due to: Unlimited
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23 Answers

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answered by (215 points)
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prog.c: In function 'main':
prog.c:28:5: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
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     ^~~~~~
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answered by (160 points)
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prog.c: In function 'main':
prog.c:21:2: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
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answered by (190 points)
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prog.c: In function 'main':
prog.c:14:2: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
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answered by (196 points)
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prog.c: In function 'main':
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commented by (4.3k points)
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answered by (174 points)
edited by
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prog.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
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prog.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
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Hidden content!
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answered by (209 points)
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prog.c: In function 'main':
prog.c:16:5: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
     system("pause");
     ^~~~~~
commented by (4.3k points)
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Hidden content!
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answered by (192 points)
edited by
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prog.c: In function 'main':
prog.c:34:5: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
     system("pause");
     ^~~~~~
commented by (4.3k points)
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