1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
8.8k 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 | 8.8k 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:172.71.254.161
©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 | 6.2k 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 | 5.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users