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