1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10.3k views

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.
[Exercise] Coding (C) - asked in Chapter 13: Strings
ID: 41431 - Available when: Unlimited - Due to: Unlimited
edited by | 10.3k views

57 Answers

0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
 ***  * ****** *  *  *    * *   * **      * ****  
    for(i=0;i<strlen(a);i++)
*      * * * * *** **  *****   *    ***   *  * **   * *
******  *   **** **  *** **** **** * *  * ** * **** *     *  *****   * * *  **** * *   && a[i]<='z')
*    * **   ******* **   * **** ** ** * *  *** * ** *** *  * ** *  * ***     *  *** **    ******** ** ***  * ** *
**  * **   * *          * ***   * * *   *  ** * **    * ** *   *** ******  *  *     *  * *  *  ***  *  * *  *  * ******* ** ** *   ****  ** **    *
*** * *** *   **  **     ****    **    *  * * **  **   *** * ***   ** * ** **      * *******      **  * ***    
 * **** * * *    ****  **  ** **  *** *  * *******   ** ** ** *  ** *** *** ** ** * if(a[i]>='A' && a[i]<='Z')
* **   **   ***** ** *  *** * ***   * *    * *** **   ** **** *  **  * *  **      **     ****     *** *    ********  
 *  ****    **** *******  ** * ***  ***** *** **  * ** **    *  * *  ** * **  *        **  *  * ****   **** **   * ** * **** *   ** ****  *     
 * **** **  ****   *   * *   **  **** *  * **** *  * *  *  ** ** ******    **   * ***** *** **      *
*** *  *      *** * ** ****   *   * * **** ** ** **    * 
*   *****    * *** ** *** * ** * **     * * ***      ***   * * *  ** **   *
}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&a);
             ^
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    char a[1000];
**   *  * *** **   *** * ***  *   ***    *
    int i=0,l1;
*  *****   *** * ****  **  *   *   ****** 
** ** **  *    *   ******  *   ****** *  * 
*  **   ***       *** ****** **   **  * * * *     ** ****    ***  *   *   * * *** ** 
      **   **** * **  * **** *  * *****     * *   *  * ** *     
** * **** * *** ** *    *** *   ** *** * *  * * **   **   ** * **  *** * ** ****  **  
***  *     * ** * *  *  *********  *   ** * * **
  * ***  ***  **** *  * *  * *  * ******  *    *     * **     if(a[i]>96&&a[i]<123){
******    * *  ****   ****  ** **  *  **   * *  **  * **   
*** *  ** * *       * ******  * *** *****  ******* ****    *   * **** 
*   ******  * **  * ******     * **    **   * **** *  
 ** * * **** *  **       * **  ** *** ** * ***  * *    ***  
*    ***  ******     * **  *    *** * ** ***** **     * *   * * ***** **  ***** *  *     *   *    ** ***     *         
**  **  * *  * **  ** ** *   **** *   * * * **    *  *  * 
    }

}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
***  ***   *** ** ** *   ****   string[1000];
**   * *** *    * *** *  i=0;
**  ***  * * **** ** **  *     ****** *  * **   
   *  * **   ** * *** *** *   **    **
    {
  *** * *** * * *    ** **   *  *  ** **  ***   **  *** *  **   ****** **  *  && string[i]<='z')

 *  * * *   * **** * **  ** ***  *  ** *  ***  * ****  *  *** ** **** ** **   ****        **  *  

 **  *    * * *** **   *  *  ** *  *    *    *    **     * * *  if(string[i]>='A' && string[i]<='Z')

**     * **  ** ** ****  **  **   *  ** ** * *** ***** ** * *         ** *****  * ** * * *  = string[i] + 32;

** * **  **** *  * *** * * *** **   * * * **** *****  

* *  ** **  **  **    ** * * **
** *** *  ** ***** ***    **  * ****** ***  
 **  ***   **     * * *      *   **  
 **** ***   ****  **     ********* ** * ** *  * *    **   
 ** * * *** * *  **  *      *   * **** 
  *** ** *  ***  *** ***  *     * **** * * ***     *
 *  * *** ***   *   * ****  *    *   0;
}
answered by (-323 points)
edited by
0 0
prog.c: In function 'main':
prog.c:7:5: 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/ccuYke74.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++){
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:24:5: error: expected '}' before 'else'
     else
     ^~~~
prog.c: At top level:
prog.c:26:5: error: expected identifier or '(' before 'return'
     return 0;
     ^~~~~~
prog.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:24:5: error: expected '}' before 'else'
     else
     ^~~~
prog.c: At top level:
prog.c:26:5: error: expected identifier or '(' before 'return'
     return 0;
     ^~~~~~
prog.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
 * ****      ***
int main(void)
{
*  **  *      **   ******   *   str[1000];
        *   *** ***    * *  *   i,temp;
*              ** * *** **  * *   ******** * *
   *******  **  *    **  *****  n = strlen(str);
 ***** **  * *  ** * ****    *   **   *  
 ******   *  *  *  ***   **  * ** 
 * *   ** * * *** *   * * *  *  *** * ****  **  **   * ** *****  * * *   * * && str[i] <= 'z')
***    * ** ** * * ** ******   ***   * ***  * ***      * **  * *  * ** *** ***
  *****   *  *  ** **  *** * *  *   * **** * ***** if(str[i]>='A' && str[i] <= 'Z')
  **   * *  ***     ** *  * ** *   **  **** **** ** ***** * * * * *   *    ****  **  *  ** * ***
* ** *     **  *     **  * * *** *** ******   ***  * * *
*** *****    *   **  *    * *
* **  ** ***  * *  *  *      * *** ** * *        0;
}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
 *  *  * ** ** * * *       **    array[1000]={0};

*  ***  *  * ******* *   **  ****  i = 0;

*   * ****   ****        **  *  1000, stdin);

   * ***** ** * **  * ** * *  len = strlen(array);

***  * * * ***  *   *  *   *  = 0; i < len; i++)
      * * *  **  *** **  **
 *    ** *  ** **  ** * **   ***   * ***        ** * *  ******    >= *   ****  *    ** *  <= 'Z'))
   ** **  *** *   *   *   *       *   ** *  ****    *  ** 
 ** ***  ** * **  * **  *****  *  *      *  **  *    * * *** *      *   *  *  *      ** ***     * * += 32;
* * *  **** *   *   ** **   ***   **   * * *   ***** *  ***
**** *     *   *** * **  *   * * **   ***  *  *  ** if ((array[i] >=  *  ** * * * **  *      <= 'z'))
 **   ***      * * **  *** *   *   *    *    *  * ***  *  * **
  ***** *  ** * **  **** ***** ***    ** * * *  *  * *****  *   ** ** ***  **  ***** ***   * -= 32;
 **   *  *     *********  **   ****  *  **  *
* ***** **  *     ** *  * * * *** *** *   **       *   **  *** *   ** **** * *   * *  
 * * ** ******  * *** *******
* *  ** *    *   *  ****    **   0;
}
answered by (-284 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
* **     ****  *   ***  *  **** ** array[1000]={0};

  * ** *   *    *      *  i = 0;

**** ** *    * * **     *  ***   * * 1000, stdin);

**   **  * * * **** * **   len = strlen(array);

  * *******  *** **  *  * * **  * = 0; i < len; i++)
*    ** *  *   *  **   *
        ** * ****  ** * **    *** * *     ** * ***  *  ***  *** >= **   *  ****  *      * <= 'Z'))
*     ***  *     * *** * * *  *    **** * ** * **  ** 
** **  ** *     *  ** *  **  ** *   *   ***** ***  *     ** * *  **** *    *  *** * += 32;
 ** * ***  **    **     * * ****  *** *    *  * * ** * ***
*  ***  ** ***** * ****  *   **   *   * *   *   *  ** **   * if ((array[i] >= *  *   *    * * **  <= 'z'))
  ***** *        *     * * ***  **   * * * *  ** *  **   
*    *  *     **   *** ** *** * *** ** *   *    *    *  *  ** * **       *   ** *  ***  -= 32;
 **  **   **       **  * **  ****  * *  *  **  * 
*  ** **   * **   * **  ***   * *    * * * **  *****  ****     *   **    
     *  **** *  *  ****
***  * * ******    * * *    * * *     0;
}
answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <studlib.h>
#include <string.h>

int main()
{
** ****       * *** *    * ****
 *   *  ***   * **** ****    array[1000]={0};
 *   * ******** * ****** * *  i = 0;
** **   **   ***  *** *   * *** *** **** 1000, stdin);
* *   * ** **** * **      *  ** **** len = strlen(array);
*    ** * **  *** ****  *** i<len; i++) 
         *  * * ***  *    **
*** * * * ** * * **  *  * ** *** **  * * ** ***   *
*  *  ** *   * ****** **** **   *  * * * * *** * ***     ****** >=    ** ** ***  **   *  ***  <= 'Z'))
*** *  * * * * *    *    *  ****         * * * 
   *  * *  **** *   *** * *  *   ***  * ** *  *** ***   *******  * *  ****   ** * *   * * ** += 32;
 ** *   * **  *  ******   **  *       *       *** *  *  *  
 ** *  * ** *   ********** ***   * *     * ** *   
 *  ****   *     * ** ** ** ** * *   *   ** *    **   if((array[i] >= 'a')&&(array[i] <= 'z'))
***** ****   *** ** *  * **********  * **    * *  *
* ***  *** * *** ***  * **       * *** *   * * *  **  * **  **      **   *  -= 32;
  *  *    **** **  *** *** **** *** ********  *    *** 
 * **  **  * ** *  ** ** *  * *** * * ****  *    * ***** *******   ***** * *    * *
*   * *  *   *  ** *  **     *
  *  ** * ** ** ** *     * * 0;
}
answered by (-284 points)
0 0
prog.c:2:21: fatal error: studlib.h: No such file or directory
 #include <studlib.h>
                     ^
compilation terminated.
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
****** ***  *  **   * * ** str1[1000];
 **  * ******* ** ****   a,b,c,d;
   ******* ********   ******  *  ** *     ** **
* **  *  **  *** *** ***   * **
   **** *   **** * ** *  *          *   *
*   **  **    * **** ***  ** * **  **** *  ** ********* **   *  *  *   &&str1[a]<='Z')
***  **** *      *    **     ****  * * * * **         *  *  ** *    *  **  *   * *      * *  * 
 * ******* ******     **  ***    **** **  **** * ****  * ** * *** **   ****  * *    *  *** ****  *
 *  *******  *   * **         * * **** **  *  ** **** ***** *    * *** **** * **  *  ** ** **
    }
 ******     **** *   * * * *** *   *  **  *** * * *   *
** *     * * * **    **    *    *  0;
}
answered by (-498 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main()
{
*    *    * ******* ****  * str[1000];
    int i;
 * *  ** *    * ** **    **  * ***  *
***  *   ***   ***** * *  ** ** ** * *  * * *   * *
    {
***         ** *******  *    * *  ** *   ** **         ** **  *   ***         *    *         
  * **   ****  *  **   ***  * * **  *   * ** ****  *  * 
** **** ***** ** *  * *    *  *   ** *      *  * *  *** *  *  *  **** **   
 *   **** ***   *   **  ** **  **** ****  **   * **** *
 *    *****  ** * ****   *  ****    ** **      * ** *** ** * * if    *   * **   * * *  ***  *  ****  *
  ** * *     **** ***** ***  **   **** ** *  *
   *** ** **      *  *******  ****** ** * * * *     * * * *  *** **** ** **   *   *
****  **       * ** ***********    ** ** * *** * ***  * 
    }
   ** ****  *  *   * * * * * * * * ***  ** ****

*   ***   ** * ******     * 0;
}
answered by (-196 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    char a[1000],b[1000];
    int i,j,len;
***    *** *** **   **  **    * *   * 
    {
  *  * *    * ** * *  * * *  ** ****  *** *** *   *** **
    }
*  **********  * *** **  *   *       **  *
*   * ***       ****    *** **    *  *
****** ** *   * ** *  *  **  *  *** **   ****  *  *
    {
**** *  *  *    ****  **** ** * * * * * ****  ***  *    **  *   **** * 
**** * *  * * ** *      ** * ** ** *   * *  * *   * 
   *** ** * *** **    ****     *  ** *  * * ****  *****   **    ** *    **  *   * *  *****
  **  *** *   ***   **     ***   * **  * * *   * * *** ***** *  *   **** * ** 
 * *    *   ** **  *** * ****  *  ***     *  * *  *     * * ** * * ** ***** *   * ** * **  *** **  ** * *      *  * *
*  *    ** *     *   **   *** ***    ** ***  * * * * ***  *   *** ** *  ** * * * ** *   
* ***  * *   * *  * **  * **   * * *   *** *  *****  *  **** *** * * *     ** ** ** if(a[i]==97+j)
** *  * ******  * *   * *   * *** * * * **    **  *  * *   *****  *  *    
 ** * **** *  *** *  ****  *   ***** * ** ***     * *** *  *  *   *  * **  *    **  * **  **    *    *** 
  * ** **  * * *******    *   * *******  ***** ** *****   **  *   **** *  *  * * *   *
 **** *    *  ** ***** * **  **** ***  *        * * 
***  * ** ****   **   **   ****  *** ***  *****        ** *   * * * *  *  *   **
    }
}
answered by (-255 points)
0 0
prog.c: In function 'main':
prog.c:11:9: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     len=strlen(a);
         ^~~~~~
prog.c:11:9: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:9: note: include '<string.h>' or provide a declaration of 'strlen'
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.17.202
©2016-2025

Related questions

0 like 0 dislike
27 answers
1-11 Exercise 3: Prefix of a string
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41439 - Available when: Unlimited - Due to: Unlimited | 7.1k views
0 like 0 dislike
29 answers
1-11 Exercise 2: Reverse a sentence
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41436 - Available when: Unlimited - Due to: Unlimited | 6.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users