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:104.23.243.108
©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