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:104.23.197.65
©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