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