1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
14.1k 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 | 14.1k 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:104.23.243.109
©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 | 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users