4 like 0 dislike
742 views

用float定義2個數字,char定義運算符號(+,-,*,/)再使用switch判斷將四則運算做出

輸入為第1個數字(空格)運算符號(空格)第2個數字(列如:2 + 5)中間用空格隔開

input
5 + 6
output
11.000000
input
2 - 9
output
-7.000000
input
4 * -3
output
-12.000000
input
4 / 10
output
0.400000

 

[Normal] Coding (C) - asked in 程式設計(一)
ID: 40619 - Available when: Unlimited - Due to: Unlimited

retagged by | 742 views

3 Answers

0 like 0 dislike
Hidden content!
*** * ** * ** * ****
int main()
{
* *** * * *** float a,c;
* ** **   char b;
** * ** ** * ****** %c *** * * ** ** * *** ***** *
*** * * ** {
** ** * * ** * ** **** *** * **** *** * *
* * * **   int flag;
** ** * ** * ***** * * * *
** * * * ***** * * * * *** ***** *** flag=1;
*** * ** **** **** * **** * else *****
**** ** * * * * ***** ** * * ** * ** ** * flag=2;
*** ** * ** * * *** else
* **** **** **** * * * * * ** ** * ** flag=3;
* ***       else if(b=='-')
** * *       * *** ***** flag=4;
** ** * **   ** ** else
* ** * * * * * ** * * ** * ** * break;
* * * * * ** * * * **** *** *** * ** ** *
* ** ** ****** ***** ** *
** * * * * ** ** * {
* *** * ** * * * ***** case 1:
* * ** * ** *** ** ** * * ** * * ** ***** ** * ** **
*** * * ** ** * * * * * * ** break;
* * ** * * ** *** case 2:
**** * * ** * ** * ** * * ** * ***** ***
** * * * * * * ** ** * * * * ** break;
* * ** ** ** * case 3:
* ** *** * * * ** * ** * *** * **** * ** **
* * * * * *** ** * ** break;
* * * ** * * * * * * case 4:
**** ** *** * **** * * * * ** ** * * *** *** ***
** * **** * * ** **** break;
* * * **** * * ** ** * }
* * * **** * }
* * * * ** return 0;
}
answered by (100 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
* **
answered
0 0
prog.c:1:1: error: expected '=', ',', ';', 'asm' or '__attribute__' at end of input
 kjljkl
 ^~~~~~
0 like 0 dislike
Hidden content!
#include * *
#include ***** * ** *
int main(int argc, char const *argv[])
{
*** **** ** * float ** *
* ***** * ** char c;

***** **** *** * * * * %c **** * * *** **** ** * *** **
* * ** * ** *** * * switch(c)
* * * * ** *** * {
* ** * **** * * ** * * **** * **** * case '+':
* * **** * ** ** * ** **** * * * * * * **** * ** ***** ans=a+b;
** ** * ***** * * * * * * * ** ***** * ** ** **** break;
* * * ** * * * * *** * * ** ** case '*':
* * ** * * * * *** * **** * * * * ** * *** ans=a*b;
** *** * ** ***** * * * ** *** *** * ** ** * * * break;
* * * ** ** ** *** * * * ** * case '-':
* * ** * * * * * ** * * *** ** * ** * * ans=a-b;
*** * * * ** ** ** * * ** * **** * * * * break;
* * * ** * ** ** ** ** *** ** * ** case '/':
** ******* * * * *** * ** **** * ** ** ** ans=a/b;
*** * * *** *** * *** * ** **** * * * break;
* * * **** * ***   * * default:
** ** ** * * * * **** ** ** *** * * * * ** * ** * **** *** ****
* * * * * ** * * ** * *** * * * ** *** * break;
* * * * ** ** * * * ****** }

** * ** **** * * * ** * **** * ****** *** * );

** *** * * * * return 0;
}
answered by (114 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.71.254.115
©2016-2024

Related questions

4 like 0 dislike
3 answers
[Normal] Coding (C) - asked Jan 3, 2018 in 程式設計(一)
ID: 40624 - Available when: Unlimited - Due to: Unlimited
| 1.1k views
4 like 0 dislike
1 answer
[Normal] Coding (C) - asked Jan 3, 2018 in 程式設計(一) by semicolon (5.2k points)
ID: 40623 - Available when: Unlimited - Due to: Unlimited
| 616 views
4 like 0 dislike
4 answers
[Normal] Coding (C) - asked Jan 3, 2018 in 程式設計(一) by thopd (12.1k points)
ID: 40618 - Available when: Unlimited - Due to: Unlimited
| 846 views
4 like 0 dislike
2 answers
[Normal] Coding (C) - asked Jan 3, 2018 in 程式設計(一) by semicolon (5.2k points)
ID: 40622 - Available when: Unlimited - Due to: Unlimited
| 608 views
12,783 questions
183,443 answers
172,219 comments
4,824 users