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