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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#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)
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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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}
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)
edited by
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.
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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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* **** * *  * **  * * * *** ****  **    ** * 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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Hidden content!
#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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    }
* ** * *** *   ****** *******  ***  **** * ****  * ****
**********  *** * * **** * 0;
}
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#include * ***** * ****** ** 
#include  *  *  *** ***   

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

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     * ** **   *  * ** *   * 
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** **      *   ***
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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);
*    ****   * **  * ***** ****  ** *   ***   ***
    ** *  ** ***** *     ** *** *  * ** *****  **   * *
  ***   *  *   *****   *   **  **  * ******* *   *** **     **      * *   *  * *   * **      && a[i]<='z')
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 ** *  * **    * **   ** **    ******   * **** ***   *****   *** ***  * ****    if(a[i]>='A' && a[i]<='Z')
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   ***** *    *  **   ** * * ***** **     ***** ***   *       *****  * ** **** *   ** * * **** ** **   *   ** ***  **  * *  ** * ***** *  *****  * 
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* ****  ** *    * *    ** *  *** *  * * ** *** * *   *
*   * ****  ** *     ***    *** *  ** * * **  * *** **  ** ** *****  *  ** *  
}
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