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