1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
10.1k 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 | 10.1k 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:108.162.216.125
©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 | 7k 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 | 6.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users