1-11 Exercise 1: UPPER and lower letters

Question

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.

Answer 1

Hidden content!
#include <stdio.h>
int main()
{
    char a[100];
    int i;
*  *  *   * *** *     ***   * *
    *  *  *     ** * **     ***     
**  ** *****   * * *   ** * ** *   *   ***** *  * * *****   * * ***  * *******  *    * **
       * ** **** *   ** * ***     ** ** *   ** ** *** * *   * *   *  ****      * * **  * *
 **     ****** *   ** ****  *  * *   *  *   ***  * * *   *  * ***  *   *  *   **  **  *    **
*  ** ** * * *****     **** **** *****    *    ** **   * ** * ** *  ***   ***** *  ***
   **** *      ** **  **   *  *   
*   *  **  ** *  * ***  *  *** *   * 0;
}

Comments

prog.c: In function 'main':
prog.c:6:5: 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__;
              ^~~~
/tmp/ccsN5nEo.o: In function `main':
prog.c:(.text+0x1f): warning: the `gets' function is dangerous and should not be used.

Answer 2

Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{

        *  ** * * **   *   ****  i;
 * * * **   **  * ** *  ** *  ** ** str1[1000],str2[1000]={0};
*** ** * ***** *** * *    **  ******** **    *  * a sentence to convert upper to lower and vice versa\n");
 ***** ****  *      *   * ** *****   

*** * *    * *  **** *  ** * * *   *       *
  *  ** *** *      *** *
*  * * *** * * * *** ** *  *      *   ****    * *   * * **  *  *** &&str1[i]<='z')
   *  ***** *     * ** ** ***   * **  ** *   *******  ** *
** *** * * *     ** *  ***    *  *   ***  **  ** * ******      * *   * *  **    *  * *    * ****  * 
 *   *     *     *  * * ** **    *  **** *  *** *  
*** **   * *   *  ** * **   * * *  * ** *  *** * ***    * ** ** **** *   ** ***    * *    ** ******   * 
** * ***  ****  *  * * ***  *  ****  * *    ** *   ** *  * * *  **** *  **********   * **  *  **     
 * ** * ****   ** *  **  *
***   ***  *    * **    * *    
*  **  *    * ** **** *  ********** *  ** *** *   * ******
* ** * **********  *  *** **    
}
printf("%s\n",str2);
return 0;
}

Comments

prog.c: In function 'main':
prog.c:9:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str1);
     ^~~~
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/cc2ji0XA.o: In function `main':
prog.c:(.text+0x3d): warning: the `gets' function is dangerous and should not be used.

Answer 3

Hidden content!
#include *      *  ***
#include **  **  * * * 
#include  **** *  ** * *

int main()
{
**  *  *****   **  * * *** * *  array[1000] = {0};

      **  *      **   * i = 0;

  *  * *      *  *** ***     **  * ** 1000, stdin);

*  *   * *  * * *  *** *  ** * len = strlen(array);

 **   *      *  ***       * * = 0; i < len; i++)
 **  *   **  *  *     * * * *
******* *     * * ** **** **  ***   * ***  * ** ** ****** * ** >= 'A') && (array[i] <= 'Z'))
    ***  **** *  *   *   *  *    *   ****     *
   *  *******   * *   ***** ** ** ** ** *  * * **    *  * *** *** ** **   ******** * * += 32;
 ***   ****  **  ****** * * * * *  * **  *** *       *
 **** *  *  ***  *    *  *  **** *******  **** *   **  **   if((array[i] >= 'a') && (array[i] <= 'z'))
*  * *** ***  * *   ** *  * * *   *** *   *    ** ******
**  * **  ****** ** *    ***   * ***    **  *   * **   ***  *  * ****** *  ***  *  * *  *  -= 32;
* ***  * **    *   * ** ***** * * * * ** ***** ****** 

     * *  ***  *   *  *  * *   * ** ***   **** **** * * * ** * *  **  * *   array[i]);
* *  *** ***     *     ** **** 
 *  * * * *         *    *  * ** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 4

Hidden content!
#include  * **     ***** 
#include * **  ***   ** 
#include     * *****  

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

  *     * *** * *  * *  ******  len = strlen(a);
 *   *     **     *   **  * *  **** * * = 0 ; i < len ; i++)
***  * *    ***   *  * *  ****
 * ** * ***  ***   *  **  ******* *  * *   **   * **********    >= 'A' && a[i] <= 'Z')
  * *** ***      *  **   ******  **      **   ** **  * ****  *** **  ****  *****  += 32;
* *  ** ** ** ***   * *** * *  * *  *  ** *****  *****  if(a[i] >= 'a' **** *  ** *  * a[i] <= 'z')
* *    *** *  **  ***   **   * *  *     **  ***   * ** *** ***       ** **  * **  -= 32;
* **** *   *  *  *     * *   * *   *  ** **       ** *  ** * ******* ***  * *****  *** * *
**  *** **  * * *       ****  

*    *      **   *** **** ***   0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 5

Hidden content!
**  ****     ** *    *
***  **** * *     *

int main()
{
int i,txtlen;
char sentence[1000];
** **    * ** * * 

* *  *** * ***

*****    ***** ** * **
{

***  *  *** ** *  ** **  *** * (sentence[i]>=65 && sentence[i]<=90)
* ** ** **    **  ***  ** * *  **  ** * **   *******   **  **  
*  * ***  **   * *  * ***      ***      *   ** *  *****   ***   *  *  *   ***   
**  ****      *          *  **    *  **  *** *   *** **  *** * *** **** && sentence[i]<=122)
 ** **  ** *   * *       * *    *  ** *    **  *  *
*  *   ***    ** ****  *    * * **  ** *  ** *   *    *    * *****   **    
*** *  ***   ***  ** * *  * **      ***  *** *    **     ***** 
**  *      *  *  **  * **   * *
}


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 6

Hidden content!
  ***  *** *** * *
* **  * **   * ***

int main()
{
int i,txtlen;
char sentence[100];
**  ***  *   ***** *

 * ***  * *   *  *

**  * **** * *
{

** **** ***** * *       *  (sentence[i]>=65 && sentence[i]<=90)
*   **     ** ***** * * *** ** * ** ** *  * *****  *
   *  **  ******  * ***  *** ****  * * * * ** **     *   * * **   **   * ***   *  * * 
  **** **   *  *  * ** *  * *  *** * * ***** * *  **       **   **** * ** *     && sentence[i]<=122)
*   **   * * **   *  * ** * **    **   * * *   *****   
*    ***   ***  ***   ***** * ** *****   *****         *  *   * ** ***** *  * * *****     
**  *** ******   **   ****   **  **  *  ***  ** **   *****
* * ***    *   **     * * * 
}


}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

Answer 7

Hidden content!
#include <stdio.h>
#include ** ** **** *

int main()
{
 **      * *** *   * ***   array[100] = {0};

*****    * *  **  ** *** ***  ** i = 0;

*** * ** ** ** ***      * * * *  = 0; i < 100; i++)
   * * ***  *  ***     ***
 ***  ********  *   ***** *  * ** *  ** *** *    *   * *** *  ******** &array[i]);
*  *  * ***   ***   ** **** **

*****    **   *  * **   *** * **  = 0; i < 100; i++)
 *   * *** *    ** * ****
*** *** * *** *  *    **** *  *  * **   ********   * * *  **   * *  >= 'A') && (array[i] <= 'Z'))
 ***   *  * *    * * *    ** **        **  *  ****  ** 
  *   *  **  * **  *   **  *  *******     *** *  *  ********  **   *** * **** * * ** += 32;
**  *  ****   *** **  * * *******   *** ****  * **** 
 *  *  *** *  *  *   * **    **   * **** *  *  *  if((array[i] >= 'a') && (array[i] <= 'z'))
******   *  *** *   *****  *   **   *    *    * *   *** *
** *  **** **  ** **   * * *   * *    *    *** **   ***   ** *  *      ** *** -= 32;
    *     *** ** * *** * *    ***  **   ** **

   **   *    * *****  *** ***              **   *    *   ** * * **    ***  *   array[i]);
**   *       *  * *  **  * 
* *** **    ***  * * * * *  *  ** ***  0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

Answer 8

Hidden content!
#include * * **      *    **
#include  ** *   * *** 
*  * *** **     ** ** 
int    ***
{
*    **  **  **** int c,sws, sayac;
  * ***   * *  ***** ** *  ** * *** * 
** ** ****      * ** *** *  *** * * 1000, stdin);
** *   ** *  * **    **   *** *** = * * **    ** * **
  *    *  *  * ***** ***  *** (c = 0; c< *   * *
****  * ***     **  * *** ***   sws = *   * ***  * *   *  ** :    **   * **   *** ** **** * * }}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

prog.c: In function 'main':
prog.c:9:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(string);
     ^~~~
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/ccfLRc9i.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

prog.c:2:19: fatal error: conio.h: No such file or directory
 #include <conio.h>
                   ^
compilation terminated.

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 9

Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
    int i,t;
    char a[300];
****    ** *   ** ** *   * *******     *
   *  *****  * **** * * **  ** *  *  *** **   * 
**  ***** *  *  * *   * *    * *** *  *** * * ***     *
 * * ** *  * ** * *  **       **** **   *** ****  *  **** ** ** **** *** *  **
  *  ***** *  * ** ******** *  ** *  ****    **  *   **  ** *  && t>64){
*     *     ***  * * *  * **       **  **  *** * ** ** ***    **  ***   ***   *    ***  
   **  * * ** * *    * *** ***  * *    *     * **** *   ****** **  ****   ***     
 **   *  *  ** * **  **  **  * * *    *    *** *** 
  *** * ** ****    ** *******   *    **  *****        ** if(t<123 && t>96){
* *    *  ****  **  **  ** * *  *** *    * ***  *    ******  *   * ***   ***   *****
 * *  ** ** * *   ** **** ******   **  *       *   **  *   *  *     ** *  * *** * 
**   *   * *    * **** * *  ** ** * ** **    *  * * **** *
 ***** * * **  ***   **  ***  *   ***** * *  * *** * **   *** **   *** * *  *   
    }
** ** ****   *** ** * ** ****    **** *     
 **    * *     ** *** *    *  0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 10

Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
    int i,t;
    char a[200];
   ** * **       * **** *  ***  ** 
     **    * *****   ***  **  **   *   **** ** 
* *****    * *  *  * *  *   *    ***** **  *  *    *** ****  *
     ***** *   * *** *** *** ** ***** **** **  *  ****  * * *****  * *  * **  * 
* * ** ** *  ** **   *********  *   *   ** * **** ******  && t>64){
 ********** ***** *** * ******* **  ****    *  ***   *  * ***  * *  ** ****** ****  
 ***   *** * *     * *****      ** ********* **  * ** *  ** *** ***** ** *    ***   **
 **  ******      *  **  *** * *   * *****  * *   ***  **  ** 
**** * * ***  ****   *  **  ** ** ********** ** * **  ** *  if(t<123 && t>96){
 * * ** * **** ** ****   ***  ******     * * **     *      * * * ******** ****   *       *
  ***    * **   ***    *****  * *** **** * *   *     * *  **  *  *  * ******* *
  **   *    ** * ***** * **** * ** *  ** *  ** ** * ** *   *  
* * **    *** *   ** ***    *   ***  ******     * * ****  * **     *  *   *** 
    }
   ** * *** * *      *** ** *    * ** *******  *    
* *  ** *      * *  * **** * **** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output