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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}
answered by (-140 points)
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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)
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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];
**   * * * ** **  ***  **** * * **  * (ch >= 'A' * ***  *   * ch <= 'Z')
*******   ****       **  * **  * **      **   ****  *  * ***  ** = s[c] + 32;
  * **   ******   * *   *******    * ***  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)
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.
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];
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 ****   ***** * ***   *    (s[c] != '\0') {
    * *    ** ******** ******* *  * = s[c];
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***    **   *  * **    * **  **  ***   * if (ch >= 'a'     **** ch ****  'z')
*** * **  ****   **** **  **    ****    ** *   **   *  ** *      = s[c] - 32;
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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;
}
answered by (-229 points)
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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';
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 * *  *     * ***   ** * **   * **
}
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 ** **  * **   * * 
 **** *** * *  * **
int   ***  *
{
**  * *     ***  char a[1000];
  *   ** *  *** * ** **** **   *    
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**    * *   * ****   ****  ****  * **   **  **** 
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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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