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