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