1-11 Exercise 1: UPPER and lower letters

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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.
[Exercise] Coding (C) - asked in Chapter 13: Strings
ID: 41431 - Available when: Unlimited - Due to: Unlimited
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57 Answers

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
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    }
***   *   **     *  ***   **   ***  ****  * *** * **
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}
answered by (-140 points)
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Case 0: Correct output
Case 1: Correct output
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
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    }
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}
answered by (-140 points)
0 0
prog.c: In function 'main':
prog.c:13:28: error: expected expression before '[' token
         else if(a[i]>='A'&&[i]<'Z')
                            ^
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#include    ****  *   ****

int main ()
{
*** ******  * * ****  c = 0;
*   **   ****    ** * *  ch, s[1000];

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*  **  ***   *  * *   * *   

*  ** ** * *   *  ** (s[c] != '\0') {
******   *   **  **  * *     *  * *  ** * *   = s[c];
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  *   * ** *  ***    *****   * *  * ***  *  * if (ch >= 'a'  ***** *****  ch <= 'z')
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 **   * ** **  **** *  * 0;
}
answered by (16 points)
0 0
prog.c: In function 'main':
prog.c:9:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(s);
    ^~~~
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/cckJajTZ.o: In function `main':
prog.c:(.text+0x3b): warning: the `gets' function is dangerous and should not be used.
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#include  **   ******** *
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  *** ***  **      *** *  
int *** 
{
char a[1000];
int i,n;

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}

printf(    *  ***    **    a );

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return 0;
}
answered by (-32 points)
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0 0
prog.c: In function 'main':
prog.c:10:1: warning: 'gets' is deprecated [-Wdeprecated-declarations]
 gets(a);
 ^~~~
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__;
              ^~~~
prog.c:11:3: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
 n=strlen(a);
   ^~~~~~
prog.c:11:3: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:3: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccbGRkOb.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
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prog.c: In function 'main':
prog.c:11:3: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
 n=strlen(a);
   ^~~~~~
prog.c:11:3: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:3: note: include '<string.h>' or provide a declaration of 'strlen'
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Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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#include **** *    ****

int main ()
{
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**** **  * * *  ****** * * ch, s[1000];
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 ***   *   * * *    ** ****  * 0;
}
answered by (-140 points)
edited by
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/ccEVmRzQ.o: In function `main':
prog.c:(.text+0x30): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:7:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(s);
    ^~~~
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/ccYGFu22.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:7:12: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
    scanf("%s", &s);
            ^
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#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main()
{
*    *  ****  * *      **** * a[1000];

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    }

*  *** * *** *  * **  * * ** ********* *    ****   

  **   ** **** *  * * ****  *    0;
}
answered by (-16 points)
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#include <stdio.h>
int main()
{
   **  *  * ** * *     ***  **    a[1000];
  * *   * *      *** **    * i=0;
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    }
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*  **** *** **   * ** **  ** * 0;
}
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#include   ** ** ** * 
#include *****  * ** *   

void main()
{
* *   *  *    * * * * ** sentence[1000];
 ****   *       *    *  *** count, ch, i;

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**** ** * *  ** ***   *** ***  ***  (i = 0; i < count; i++)
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*** ** * *****
** *****  **   **** **** *** *  *   ** *   * *  ** ***           *    
* *   ** **  * *  **** *****  
}
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  ** *  * *** ******
 ***  ** ****** *  ***
int   **  * 
{
 *** *   * *** char a[1000];
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** *   *  * *     ** ***    ** }
*   *    *  *   }
 * ** * *  * **   *** ********  *  * 
}
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#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
    fgets(a,1000,stdin);
   ** **  * ** *     *  ** **** * *  ** *  
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    ** *   **  *   **   **** *   **   ***** **** *  *
**  ** **** ***    *      * ****** * **   *** * **** **   * ***  ***  *
}
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