1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
8.8k 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 | 8.8k 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:172.69.130.53
©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 | 8.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users