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Write a program that reads strings of up to 1000 characters continuously and displays them, after replacing the lower letters with upper letters and vice versa.

寫一個程式 輸入一個字串(最多1000)  把小寫轉大寫大寫轉小寫

Example input:

With the rise in GLOBAL warming and increasing POLLUTION levels, it is becoming essential to find a viable alternative to the internal combustion engine petrol powered CAR.

Example output:

wITH THE RISE IN global WARMING AND INCREASING pollution LEVELS, IT IS BECOMING ESSENTIAL TO FIND A VIABLE ALTERNATIVE TO THE INTERNAL COMBUSTION ENGINE PETROL POWERED car.
[Exam] asked in Final Exam
ID: 43459 - Available when: 2018-01-20 09:00 - Due to: Unlimited
| 2.8k views

12 Answers

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Hidden content!
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answered by (-74 points)
0 0
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Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
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30/100 answered by (-74 points)
0 0
prog.c: In function 'main':
prog.c:8:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str);
     ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/ccUxtyAl.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
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answered by (-229 points)
0 0
Case 0: Correct output
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Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
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answered by (-229 points)
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#include <stdio.h>
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#include <string.h>

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answered by (-286 points)
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0 like 0 dislike
Hidden content!
#include <stdio.h>
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answered by (-229 points)
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answered by (-229 points)
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answered by (-229 points)
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answered by (-193 points)
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Hidden content!
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answered by (-229 points)
0 0
prog.c: In function 'main':
prog.c:19:5: error: expected declaration or statement at end of input
     printf("%s",a);
     ^~~~~~
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