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