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