1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
15.5k 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 | 15.5k 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:172.70.50.51
©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 | 10.7k 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 | 10.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users