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