1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
12.2k 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 | 12.2k 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:172.70.100.180
©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 | 8.3k 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 | 8.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users