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