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