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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{
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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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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);
          ^
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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Case 0: Wrong output
Case 1: Wrong 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()
{
* ** *  ** ** **  **** *   str[MAX_SIZE];
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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.
commented by (4.3k points)
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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:11:11: 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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** ** * ** ** **       **** 0;
}
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];
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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;
 *   ***** ****  ******
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}
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Hidden content!
#include <stdio.h>

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

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

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**********  *** ** * * * *  ** * 0;
}
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1-4 Exercise 1: String compare function
[Exercise] Coding (C) - asked Jan 4, 2018 in Chapter 13: Strings by semicolon (5.2k points)
ID: 40713 - Available when: 2018-01-04 18:00 - Due to: Unlimited | 13.3k views
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1-11 Exercise 3: Prefix of a string
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
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1-4 Exercise 2: Sum of big numbers
[Exercise] Coding (C) - asked Jan 4, 2018 in Chapter 13: Strings by semicolon (5.2k points)
ID: 40714 - Available when: 2018-01-04 18:00 - Due to: Unlimited | 11.5k views
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