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:172.70.179.211
©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