1-4 Exercise 3: String details

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Please write a program, the user will enter a line of characters, then the program will calculate number of digits, alphabets and another characters.

寫一個程式 輸入一個字串，計算字串裡的數字、英文字母和其他符號的次數。

Example input:

1234567890Ancdefghijklmnopqrstuvwxyz~!@#$%^&*()_+

Example output:

digit:10
alphabet:26
other:13

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (5.2k points)
ID: 40715 - Available when: 2018-01-04 18:00 - Due to: Unlimited
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53 Answers

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#include<stdio.h>
#include<string.h>

int main()
{
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}
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* **  *  ** ***  *  *
*   *    **  *  *** * 
int main(void)
{
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}
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prog.c: In function 'main':
prog.c:12:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
  for(i = 0; i<strlen(sentence); ++i)
               ^~~~~~
prog.c:12:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:12:15: note: include '<string.h>' or provide a declaration of 'strlen'
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Case 1: Correct output
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prog.c: In function 'main':
prog.c:6:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
commented by (4.3k points)
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prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
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Case 1: Correct output
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prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
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prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
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Case 0: Correct output
Case 1: Correct output
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Case 0: Wrong output
Case 1: Wrong output
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Case 0: Correct output
Case 1: Correct output
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Case 0: Correct output
Case 1: Correct output
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Hidden content!
#include<stdio.h>
#include<string.h>

int main()
{
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}
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Hidden content!
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100

int main()
{
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}
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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/ccUZH0tM.o: In function `main':
prog.c:(.text+0x38): warning: the `gets' function is dangerous and should not be used.
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#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100

int main()
{
        ***  *** ** *** *  ** str[MAX_SIZE];
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**** *  * *  ** **   ****** *  ** = digits = others = i = 0;
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}
answered by (-168 points)
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prog.c: In function 'main':
prog.c:11:11: warning: zero-length gnu_scanf format string [-Wformat-zero-length]
     scanf("", &str);
           ^~
prog.c:12:5: 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/ccNXoqk6.o: In function `main':
prog.c:(.text+0x50): warning: the `gets' function is dangerous and should not be used.
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#include <stdio.h>
#define MAX_SIZE 100

int main()
{
 *  **    ** *     ***       * * str[MAX_SIZE];
*   **  *** ***    ** *  * *  alphabets, digits, others, i;

  *   **  ****       ****  **   * * *  = digits = others = i = 0;
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}
answered by (-168 points)
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prog.c: In function 'main':
prog.c:10:11: warning: zero-length gnu_scanf format string [-Wformat-zero-length]
     scanf("", &str);
           ^~
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/ccinxSTa.o: In function `main':
prog.c:(.text+0x50): warning: the `gets' function is dangerous and should not be used.
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#include <stdio.h>
#define MAX_SIZE 100

int main()
{
  ***    * *** ** *****  ***  *    str[MAX_SIZE];
**  ** *   * * ** ** * **  *   alphabets, digits, others, i;

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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__;
              ^~~~
prog.c:35:5: error: expected declaration or statement at end of input
     return 0;
     ^~~~~~
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#include <stdio.h>

int main()
{
      * *  **  * *   *** **** str[100];
* *   *   *  *      ****  *    alphabets, digits, others, i;
 **    * **   *      
*     *  *  ****    ***  * *  ***   = digits = others = i = 0;
  *  *    *   ***    ** *     * ("%[^\n]%*c", str);
  
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   * * * ** * ** ***** * **  *  *  *    *** **    *** others);
    
** ** * *  * **** *  * * ** **   0;
}
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Hidden content!
#include <stdio.h>

int main()
{
* ***** *  **  *  **  * ** string[100];
****** *  * * *  ***  * * *   * * s = string;
  *    **  ***  * ******   *** a,d,o;
    
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     *  * ***   *  * ** * 0;
}
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Hidden content!
#include <stdio.h>

int main()
{
****     * ***  ** *** ****  * ** * *** string[100];
* * ***     **  *      ***   ** * s = string;
**** * ** **   ***** *  * *  * ** a,d,o;
    
**      **    ** *     * **  = d = o = 0;

 *** *   **** *   *******  **  *     *  * * * *

***  *    * *      ****  **  * * *    *
    {
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** *  * *  ***** ** **  * *  *     ***  * * *** *****  * ***   
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    ****   ** *   * *   ****   **  **** ** **  **    **  
 * ****   *  * **** *  *    ******    **** ***  * *  **  *    if(*s>='0' && *s<='9')
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 * * **  **  **    *  *  * *  *** 0;
}
answered by (-193 points)
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Case 0: Wrong output
Case 1: Wrong output
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