1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
5.9k 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 | 5.9k 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:172.71.254.215
©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 | 6.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users