1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
9.7k 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 | 9.7k 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:172.70.174.40
©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 | 9.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users