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