1-11 Exercise 1: UPPER and lower letters

0 like 0 dislike
14.8k 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 | 14.8k 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:172.71.120.164
©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 | 10k 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 | 10.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users