4 like 0 dislike
1.5k 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 | 1.5k 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:172.70.131.135
©2016-2025

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
| 2.1k 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
| 1.1k 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
| 1.9k 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
| 1.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users