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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}
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Case 0: Correct output
Case 1: Correct output
Case 2: 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 ()
{
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  ** **** *  *  **  ***   ch, s[1000];

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*   *     * ** ** *   ** (s[c] != '\0') {
***   ** ** * * *  *  ***    **  **  * = s[c];
 *** ***     *****  ** *  **  ***  *** *  (ch >= 'A' ****     *** ch <= 'Z')
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 *   * *** *    *   *  *    * ****  * if (ch >= 'a'   **   **  * ch <= 'z')
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}
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   ***  *   *     
** ** *  ** *      **
** *  *     *  ***  * *
int   *  *
{
char a[1000];
int i,n;

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}

printf(   ***   *    **   *  a );

    *       * **  ***  
return 0;
}
answered by (-32 points)
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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 ()
{
 **  *   **** * *   *   c = 0;
* *  *** *  * * **  * ch, s[1000];
*  *  *** ***   *   *******    * ** * ** *    s);

   **** **      ** ****  (s[c] != '\0') {
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  **** **** * ********   ** * *  *** * **      * if (ch >= 'a' **  ****  ch **    *  'z')
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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()
{
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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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    }
  * ** ** * *  * *    * ** *  **  *       **  *  
  ** *** ***    **  * * 0;
}
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#include * *   * * *    **  
#include ** ***   * * **

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

  *****  * *  **   * *** * (i = 0;(sentence[i] = getchar()) != '\n'; i++)
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  * ****  **  **  ****   * * *
*  * *  ** *      ** ** *         = '\0';
* *  *   *  *  * **    ** **** = i;
     ****   **    * *** **** ** (i = 0; i < count; i++)
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**  *   *    * 
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 *** **  **      *****  *** *** * 
}
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*  ***  ** *** *  *
** ** * *** **  * *  *
int   *
{
*** **** *   *  char a[1000];
   ***  * ** ** * * * ** ** *   
        *  ***  * int i;
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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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**    * * * * ******* *   ** *   *  ***  **   *  *   **     * ***  *  *  **  * ** if(a[i]>='A' && a[i]<='Z')
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   *    **   *** ** * **** *  *  * * * *  ** ***       
*  *  *      *  * **     **  *** * ** ***   **** * *    * **  ** ***
}
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