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