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