1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
12.9k views

This program will receive a sentence and reverse it as the result. 字串反轉

Example input 1:

School need Student

Example output 1:

Student need School

Example input 2:

Student

Example output 2:

Student

Example input 3:

are you as bored as I am

Example output 3:

am I as bored as you are

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (12.1k points)
ID: 41436 - Available when: Unlimited - Due to: Unlimited
edited by | 12.9k views

29 Answers

0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>

int main()
{
** * **  **  * ***** ** *  * i,o,txtlen, end;
  *  **  **** ** * *  * * *  sentence[100];
 *       **  ***  ** ** ****    ** ** ** **  *     **  sentence);

*   *    ****** * ****   * ** * *   ** ***  *    

 *** **      *     *   *  ****     i>=0; i--)
* **  **  ***** *  **   *   * 
 ** *   *   * * ***   **   **   *  *  **    * ***** (sentence[i]==' ')
 *    ***  *** *              *  ** * ***** ** * **     
**   * * *********** **        *    * *  **   *   **  ***     * * ****** * *****  *   * o<=txtlen; o++)
******  **       *** * *  *** **    ** **  ****  *  * **  *** ** *  * * *** **   **   * ***  *   *   * * *****  ** ****  *** ***  *
  **  *   ****** *  **   *   * *  *   *   **     *   *  * *     **** *  * * *  ********* = i-1;
   *  ** **   *** *     **** * * * * *  **  *    ****  * * *  *  *  *  **   * **  *  *  ");
   * ****** ** *     **  * * * *  ** *  *   *    * * 

    }
 **     *   *****     * * ** **    i<=txtlen; i++)
 * * * ***** **    **    * * *    *** *  * ** *   *  *     **  sentence[i]);

}
answered by (-336 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
    int c,d,e;
    char a[100];
**   ***  *   *  * ** *** ****  ****    *  ** *****  
  **  *   *   *       ***** **  *  ** * 
 **     * *  * *         **  **  **  * * **     * 
  ** *** *  * **** *  *** * ****  ****      *   *   ****
* *  *  **** **   ** *   * * * ***** * * ******  **  * ** * * ** * *  * * ********* '){
  **   **** * * *   *   * *** *  ** **    *  **  ** ** * ** ***  * ** *  **   *   * ** * ***  *  ******  *  **  * ***** *
**  * *   * * * ****     *  * *** *   **** *   *   **** ***    *  *   * *** * **   * * *  *****   *  * *   *  *  *     *    * *   ** **   *    ***  ** ** ***   *  *** sentence
   * **** *  ** ** *   * **   * * **   ****    **     * *   *     ** **  **** *   * * * * * **  ** **  ** *  *  
   **  *** * ** *** ** **  ****  * * **  **    *  * *** *  ** ** *  *  * * * * * *****  **** * ****  ** ** ** * * *    *** *  ");
 * * **   *** *   * *  *   * ***  ** *   *   *    * **     *   *   *  **   * *  ** * ** *  **  *  * 
*  ****      **  ***  *   * * * *    *****  **  *  ** **   *  *  *  ** * * 
    }
      ***   ***** ** **  *    * * **  * **
* * ** ** ** *** ** *  * * **  **      *   *  **  ** * ** ** *  *  *   * 
    }
    return 0;
}
answered by (-498 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>


int main()
{
   **     ** *  ** ***  **   *  str[1000], reverse[1000];
*** * * ***   *  ***  *    * len, i, index, wordStart, wordEnd;


*  *  * *  **     * *  *******      *    **

*** *  * *  ****  *  * *** *      = strlen(str);
  **  * ***** **    * * * **   = 0;


 ** *    **     ****   * * *** ** = len - 1;
 ** * *  *  **** *  *  * ***    *     = len - 1;

    **** **** *  * **   **  *  **  > 0)
    *     **    *      *

  *  * * * *** * *    *** * ****** **  ** *  *    * *         *** ** **  == ' ')
  * **  *******  * *  *   ****      * * ***   ** ** *  *** 

  * **** **  ** *   ** **   *  *  *     *** * ** *  ***** * ** *** *     *   **      = wordStart + 1;
   *  * * * ** * ** * ***** *   *   **  *   * ********    *    ** **  * ** * ****   <= wordEnd)
* *  * * **   **  * * * ** **   *   * * **     * **  *   * ****    ****  ** ** **
***     **  ****   *** ****     ****  ** ***       *** *  **  ***  * *    ***  **   *** ** ******   ** ** * **** *     ** * = str[i];

* *  **  *  **    **  **  * **   *    *** *     * *      *** ** * *   ** ** **  ***      **** ** *** *   **   ** ** *** 
  * * **    * *  ** *  ** ** *   *  **   *  * ***** * ** * * *  *  * *** * * * ** * *** * * ***    *  *   *  ****** *
**  * * *  * * *       * *  *  ***** *   *   *      *****   ***  * **** ** **        
**  ****     * ** **      *** *   * **** ** ****  *  * *   ****      * * **      * ***  **    = ' ';

* ***      **  *  * *** **   ** ******    * ** **    ***   *  * *  **  * *   = wordStart - 1;
*** *   *  *  *   *      ****  ** *   *  ** * **  * *

*   ** ****  * ***    **  * * ** * ** **** ** *   **  *****
    }

***  * * *** ** ****    *  *  i<=wordEnd; i++)
    {
   *** *    *    ***   ***  **  *   ******   * * *   **  * *  = str[i];
  * * ****** **      * **  *****  *  *** ** ******    
    }


   *    * ****   * **** *    * * = '\0';


 ** *  *****  * *    *    ** * ****   *** * reverse);

   * *   ** ****  *** **   **  *  * * 0;
}
answered by (-196 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
    int i=0,j=0;
    char a[100],*b[100];
*   **  *    ** ****    ***  ** ** *******  *
****  *   **** ** *** **  **  * *  *  *  
   *  * ** *******  **  ***   *  ***   * ** **   **  * **   
     * ** ** **   *****   ** * *   *  **  ***** **  ***  *     **  **        ** *   ***    
* *  *     ***   ** * **** ********* *** * ****  * ** * *   *   * *  
** * * *   * ** *  *** ** **** **** * ***** * * *** *   **  ** *           **    *  *  *** *
* **   ** *     ***   * **** **   ** ** * * ** **         * *** *** ** **  * ****    ****
 * *  *  ****  * * * ** * * *****  **   **    **** **  *   **  * * *  *  *** ***** ***
 * * ** *    ***    *** * *     ***** * * ** *  * *     **
 ** * **   *** ***   * ** **** ****       ***   * **
    }
**    ****  **  *  * *** ** ***   * **  * *   *
***   **     *  *  * * **  ** ***** *      * **  * **  *  * ",b[i]);
    }
  ******* *** ** *   * * * **  **   *** **  *   
   *  * * ** *** *** ** * ***  0;
}
answered by (54 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
  * * ****  *   *** 

void reverse(char *first, char *last);
void reverseWords(char *s)
{
   * ** **   * *   *  ***  *  *first_word = s,*temp = s;
*   *   *    *  ** **** *** **  *temp )
 ******  *** ******* ****
 *** **  ** *** **  ****** * * * * *****    ** ** * *   * **  * 
** **** *   **** * * *   * *   * *  * * *     * * *  * (*temp == '\0')
**** *  ** * **    **     * ** *       ** ** * *****    ********* *  * * **  temp-1);   }
* * * ** *** *    ** ** ***  *   ** * * ****    ****  if(*temp == ' ')
 *  *** ** ** ** ** * ** * *   ****   * *  *  * ** **  *  **   ** ***  *  *   *** temp-1);
 ** *   ** * ** *** ****     *** **** **** * * **  *  ****    **** ** **** *** ****  = temp+1;
 *  *   ** **** **  ** *****   *   ** **     ** ** *  
  *  * **   *  ***  *    
* **   *  *****  *****  *   ** * temp-1);
}
void reverse(char *first, char *last)
{
    *  *     *  * *  *   * temp;
 * **  ***  *   ** ** *  ***** *  (first< last)
* ** *    ***  *  *******  *   temp = *first;
 ****    *   ******   *  *  * ****  **     *  *** * **** ** = *last;
**** ***    * **     *****  **  * * *   *  **  * * * * *   = temp;
 **  * ****   ** **      
}

int main()
{
** ****     * *   * * * *   * **** s[100];
 ** *   *   * ***  ** *      ** * ****   **** s);
       **  **  * ***** * ** **   *temp = s;
  *   *       *    **      ** ***** 
   *** *** *    * ***  ****  **  **      **** s);
** **  ** ** * ** **        0;
}
answered by (-304 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Correct output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>

int main() {
    char s[1000];
    int len=0,count=0,i,check=0;
    fgets(s,1000,stdin);
    len=strlen(s);
      len++;
    for(;len>0;len--) {
 *     *   *****  * * **      *   * * *   ****** ** **  *  ** ***  ') {
 ** ** * ** *     * ***  *** ** **  ***  ***    **     *** ***    * **  * *** ** **  ** * {
*     * **      * *** ***  *  * *** *****  *****    * *  * ** ***  ** ***** * *        * * *  *   **  ******  {
       *   ***** * * * * ***    **  **  * **  *   ****  *** ***  **   *** *    **    *      * *** ** ****** **   ***** *  * * *  * ***  * 
   ** *** * **   ** *** *   *     **  *** **   ** ****** *  *    ** *    ** *** **  * * *  *  *  **** **** *     **  **  *  *** *
  ** *  * *   ***     * *** * ***  * *   * **   **** *   * ***   **   *  * * ***  ** * *   * *    ** *  *** *   {
***  * * ***   **  *   **** ****** * ** ** **** *     ***** *    ***   *  * *** **  *  ***    * * *** *  ***   * * *** * ***** **** * *****  ****    **** s[len+i-2]);
  ****   * *  * **** ** ***  * * ** * *  *      **   * ***  ** ** *     **  ***   *  * *     **  * *
 *  * *    **  ** **  * * * * **** * * *  *   ***  ***** *  ***   ** ** 
* ** * ***** **  **  *  ** *  **      ****** ****  * * * ** **     * ** * ****   ** *
        }
* **  ** * ****  ** ***  * *** **** * *    ** **    *    if(len-2==0) {
** ** * * *      * * *** *  * ******    *  *****  * **  * * *  **** *  * *  ****  * * {
**** ** ***  *   *  **** **     ***  *  **       * ***  **  * ***  ***   ***  *** ****  * *** * **   *  *   ***  *   **  * ***** ");
* *   *  * ** ** *** ** ** * *  *** *   * * **  ** *    *****   * * *** *** ****  *  *
   ** *  * ***** * **   **  ****   ***    ** *  ** * *   * **  **  *  **  * * **** * *    * *  {
* **** *****  * *   **     * ** **  * **   * *****  **   **       * **** ** ** **   **  ** *    * * * *  * * * *  **** s[len+i-2]);
 ****   **  **** ***  ** ** **   *  *   * *** *  * *** * ** *** *   *  * *** *  ** *  * ** *
*  * ** **  * ***** **  * ***** ** ******** *    ******
*   * **  *  **   *  **  *  *   **** ***  * *     *** ** {
*  ** * *     * **  *   *  **    ** *   **   * ****  *   *  ******* * * * **   **  **
** ***    **   * *   *   * *** **  * * *  *** * *** * *
    }
}
answered by (-120 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100

int main()
{

    ******       ***      ******  str[1000], reverse[1000];
**** **   * *  * **  *** *** * len, i, index=0, wordStart, wordEnd;

  **** ***** * *       ** ** * **** **      *

  **    *** *** ***   *     = strlen(str);


* *** ***    *  *    *** **   *  = len - 1;
     * * ***  ** * **  *****   = len - 1;

* *****  **** ***   ** *   * ** *  *** > 0)
    {

*   * * * **  ** **     * ** ** **  * *** *** * ** *  *  * * == ' ')
*** ****    * *** ** *  **** *** ***  ** *      ***  **  

 *  *   ***** **    *   **  **** *****    ****** **  *****  * * *  *  *   *   * *  = wordStart + 1;
****  ****   ****    *  *** *****  ** ** **  ***  *** **  *   ****  **   *  * ***    <= wordEnd)
  ***   * *** * * *  *   *   * **      ****** ** * * * **    ** **  *****   **** *** 
** * *     *     * *  ** *     * **   *         ****    * ** ***       * * * ***** *    *  * * *  *  ***** **  = str[i];

** *  **** ***      **   * ****  *  *   **    * ** ****   *** ** *** ***  *  ** *   *  ******   ** * ***    **  * 
 ** *    *    * **    ****  *  ****** * *  * *   ****  *** ****** ****   *  *  **  * **  * **  **** * *    *** **   
*** **  *   ***  * ** *  * * ***** ******  * * ** ** **** **    *  * * * ** * ** *   **
* ***  *** **  *   ****  **   ***      *  * *  * * **  *******     * *   * = ' ';

 * *** ** *** *  * ** ** *   **      * * *     * ** *** * ****      ** ***** = wordStart - 1;
* * **  **  *** * * *** * *******   * * * ** ***** 

  *  ***** **  * ********   ** * * * *  ***  ***   **  * 
    }


* *     ** *  ** *    *  ******** i<=wordEnd; i++)
    {
 *   **  **   *   ** *** **** **  * *  * *    ******* **   ***   * = str[i];
  *** *   **      *  ** *** * ** *     *  **  *   *  ** 
    }

*  * ** *** ** *******   **  ***  ** *  = '\0';

    * **  *  *     *** *    ***  *   ** ***** *    reverse);
 * *   * ***  **  *  ** ** (i=0;i<strlen(reverse);i++){
* *  * **  *****     * ****** * *  * *   ******** * ** (reverse[i]=='\n')
**  **   * ** ****  *** **  * **  **   *** *** **  **    *  * *    * * *   *    **
 * * *** *  ** ** ***    * ***       * ****  **** * ***
****** * *  ** **  **   *  * * **  **** ** * *  *   **  * * **  ***** * * ** ** ** *   *   *   **** *    *** *
 ** ****** *    ******* *** *  


*** *** *  ***   *  **  *  ** * 0;
}
answered by (-323 points)
edited by
0 0
prog.c: In function 'main':
prog.c:10:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str);
     ^~~~
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/ccHXIf7r.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:11:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str);
     ^~~~
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/ccDHB1g4.o: In function `main':
prog.c:(.text+0x30): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
*    * *** *** *** *** *  *** strSlice[500][50];
    *   * *     ** **    i=0;
 *      *  * * ** *  **  *    *** **      ****** *  * *  *  *  * EOF){
 **   *  *   * * *  *  * *  * * *    * **  * ****
** *  *  * * **** ****  *  * **
 **  ***  ** *  **  *** *   flag=1;
*  *   * ***** *  * **  **  *   ** * ** 
 *  **    **  ****   ***** *   ** ***   ***    ** 
  *****  **  * * * ***   * *** ** ****  ** * *   *       ***    ** *   *   *    **   *   ** * **   ** * * 
  *  *     * *** * *** * * * **** * *** *      ** * * *   *    *  **  ** * ** **  * **** *
   *   **** *** ** ** * *****    **** *** ***  ****
  * * * ***  *     ***   * * *  * **  ** *** *    **  ****   printf(" %s",strSlice[i]);
    }
        **    * *  ********   0;
}
answered by (-116 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
 **   * *       * * *  *   ***   str[100];
*     *   * *   **   ** space[100] = {0};
   *  ** **  *** * ****  **   d = 0;
** ** ** ******* ***     *  ***   * i = 0;
 *    **** *   * ***    ** **  ("%[^\n]%*c", str);
  
* ** **  *  *   *   *   *  ** * * * *   
  ***** * **   * *** * *  *
* * *    ** * * **  * ** *    * *  ** ***  *  *******    * (str[i] == ' ') {
*          ** * ****  *  *   ********  **  *** * ** ** * **  *** ** * ** ****** **  * *** *   ***  space position with letters count following
* **   * ***   **     * *  **   *   **  *       * *  *** ***  * ***  ** *    *  *  = d;
 ******  *** * *** * *  ****  *  ***** ** *      * * *** * *  * ****     ***** = 0;
* ***  *    *  * *  ** ***   **** *   *    * **   * *****    * else d++;
 **** * *  * *** ******   **  * **** ** ***  **    *
* *    *** *******  ** *
  **** * *   * ****** **** *** ***  words count
**  ***    ***      *  ** * * = d;
*** * ***   *  **     *    * * now i actually is the length of str
* **     * * * * *** * ****  (int j=i;j>=0;j--){
* *  *****  *   **    *  *    **  *   *   * *        (space[j]>0){
**      **** *  ** *** **   ** * *    *  ***     ****** **     * ** **** * **   (int k=j-space[j];k<j;k++) * *  *         * ********** 
****   * **** **   * *** * *    ** ****** **  *   *  *   ****   *** *  *** ****  ***** (j!=space[j]) printf(" ");
* ***** *  *** ***** * *  *****  ***  * **  * *    * * 
**** * * *   *   * *  *****  *     *** * *  **   ***  **
   *  * ****   * * * *  * * *
** * * * *   *** ** *** * **** * * 0;
}
answered by (12.1k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct 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:162.159.115.9
©2016-2026

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 | 13.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users