1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
13.8k 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 | 13.8k 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:172.69.214.236
©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 | 9.6k 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 | 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users