1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
12.1k 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 | 12.1k 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:104.23.197.64
©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 | 12.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users