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You have received an encrypted message from Julius Caesar-- the message is ebiil.  You are asked to decipher the message in order to understand what Caesar trying to say to you.

Hint

Luckily, Caesar has given you a hint, he says: 'I, myself, encoded the message by shifting every word backwards by 3.' 

Solution

Write a program that receives 5 characters 'ebiil'. Then decode those characters into 5 new characters.

Example

#include <stdio.h>

int main(int argc, char *argv[]) {


	char a;
    	char b;
	 	
	scanf("%c%c", &a, &b);
	
	//decode the message how??
	
	printf("%c%c", a,b);
	
	return 0;
}

Input

ebiil

 

 

 

 

 

 

 

 

 

 

Output

hello

** REMEMBER ** 
This is an online-compiler, don't put anything except the codes. If you want to make a comment, please use // or /* */

[練習] Coding (C) - 最新提問 分類:Chapter 2: Syntax structure of the C language | 用戶: (5.9k 分)
ID: 26955 - 從幾時開始: 無限制 - 到幾時結束: 無限制

修改於 用戶: | 5k 瀏覽

22 個回答

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內容已隱藏
#include<stdio.h>

int main (int argc,char *argv)
{
    char a;
** * * ** **** b;
** * *** * *** * ******* * * c;
* ** * ** ** d;
* * * **** * *** * **** * e;

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

** ** ** *** * *** ******* ******** * * * * ** * *
** * ** * ** ** * ** 0;
}
100/100 最新回答 用戶: (244 分)
0 0
Case 0: Correct output
Case 1: Wrong output
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內容已隱藏
#include ** * *** *
int main(int argc, char *argv[]) {


**** *** char a;
* * * *** *** *** ****** b;
* * ** * ** * ** ** c;
* ** ** * ** * *** ***** d;
* * *** * * * **** e;
**** ** * ** * **
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* * *
** * * * *** ********** * * **** * ***
* **** ** **
***** * * *** * return 0;
}
100/100 最新回答 用戶: (221 分)
0 0
prog.c: In function 'main':
prog.c:10:2: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
  scanf("%c%c%c%c%c", &a, &b, &c, &d, &e);
  ^~~~~
prog.c:10:2: warning: incompatible implicit declaration of built-in function 'scanf'
prog.c:10:2: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:14:2: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
  printf("%c%c%c%c%c", a+3,b+3,c+3,d+3,e+3);
  ^~~~~~
prog.c:14:2: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:14:2: note: include '<stdio.h>' or provide a declaration of 'printf'
0 0
Case 0: Correct output
Case 1: Wrong output
0 喜歡 0 不喜歡
內容已隱藏
int main(int argc, char *argv[]) {


** **   char a;
* * ***** ** ** * b;
* ** ** char c;
* *** ***** *** * *** d;
** * *** * * * **** * e;
* * * * ** ***** *** * ****** **  
    * * * * %c %c %c %c * * * * ** * * * *** ** * * * **
* ** * *  
    *** ** * * * * * * * ** ** ** **** * **** ** * **** ** ** * **** * ** **
** ***** ** ** * * * **** *
*** *   * **** ******** * * *
* * **** * * * **
* ** * * * * * ** ***** *
*** * * ** ** ** *** *
** **** ** * * * * *** * ** ** ***** *
** *** * * * ** *** * *
* *** *** * *** 0;
}
50/100 最新回答 用戶: (244 分)
0 0
prog.c: In function 'main':
prog.c:10:2: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
  scanf("%c %c %c %c %c %c", &a, &b,&c, &d,&e);
  ^~~~~
prog.c:10:2: warning: incompatible implicit declaration of built-in function 'scanf'
prog.c:10:2: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:10:25: warning: format '%c' expects a matching 'char *' argument [-Wformat=]
  scanf("%c %c %c %c %c %c", &a, &b,&c, &d,&e);
                         ^
prog.c:12:6: warning: assignment makes integer from pointer without a cast [-Wint-conversion]
  if(a="e",b="b",c="i",d="i",e="l")
      ^
prog.c:12:12: warning: assignment makes integer from pointer without a cast [-Wint-conversion]
  if(a="e",b="b",c="i",d="i",e="l")
            ^
prog.c:12:18: warning: assignment makes integer from pointer without a cast [-Wint-conversion]
  if(a="e",b="b",c="i",d="i",e="l")
                  ^
prog.c:12:24: warning: assignment makes integer from pointer without a cast [-Wint-conversion]
  if(a="e",b="b",c="i",d="i",e="l")
                        ^
prog.c:12:30: warning: assignment makes integer from pointer without a cast [-Wint-conversion]
  if(a="e",b="b",c="i",d="i",e="l")
                              ^
prog.c:14:2: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
  printf("hello");
  ^~~~~~
prog.c:14:2: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:14:2: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:18:5: warning: incompatible implicit declaration of built-in function 'printf'
     printf("errol");
     ^~~~~~
prog.c:18:5: note: include '<stdio.h>' or provide a declaration of 'printf'
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內容已隱藏
** * * * * *

** * ** ** * * * * {

**** *
= ** *
* = * ** * *
= *
= * ***
* = *** **

e = ***
* = ***
* = *
* = ***

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

* * * ** *** * **
100/100 最新回答 用戶: (183 分)
0 0
Case 0: Correct output
Case 1: Wrong output
0 喜歡 0 不喜歡
內容已隱藏
* * ****** * *

** ** ** * ** *** {

* * * *
= *** *
** = ** **
* =
= *
= **

e = *
* = **
* = **
= *

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


* ** ** ** * * *** * * * **
**
100/100 最新回答
0 0
Case 0: Correct output
Case 1: Wrong output
0 喜歡 0 不喜歡
內容已隱藏
#include **** ** *
#include ** ** * **** ****

int main(int argc, char *argv[]) {
** * ** ** * * * letterj;
* ** ** * ** * * * * letteri;
****** *** * **** *** ** letterm;
** * * ** * * ** *** lettere;
* *** ** * *** ** lettern;
** ** * ******* * ** * **
*** * *** * *** * *** ** ** * **** input the letter to encode: ");  
*** ** ** ** **
** * ** ** ** * ***** ** * * ** ** * &letterj, ** * * * &letterm, *** * * ** * *
*** * * ** * ** ** * *** * ** +3;
* * * * * * * * * +3;
** * * * ** ** * * **** *** +3;
****** * *** ***** * * * * +3;
* ** ** ****** * ** * * +3;
** * * **** * ** **
* * * * * ** *** * * * *
* ** **** * **** * * ** * ** *** *** ** * * ** lettere, lettern);
** * ** *** ** *** ** * *
** * ** ** ** * *** * *** 0;
}


INPUT
*** * * *
* * * ****
OUTPUT
** ** *****
100/100 最新回答 用戶: (243 分)
0 0
prog.c:27:1: error: unknown type name 'INPUT'
 INPUT
 ^~~~~
prog.c:30:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'OUTPUT'
 OUTPUT
 ^~~~~~
prog.c:30:1: error: unknown type name 'OUTPUT'
0 喜歡 0 不喜歡
內容已隱藏
*** *** **

int * * argc, char * ** {


** * * *** char a;
**** * * * ** * * ** ** * char b;
*** **** * ***** * * *
* * * *** * * ** *** * **** * ** *
* ** * *
** * * ** * ** the * how??
* * *****
* ***** * ** *** * * **** * a,b);
*** ** **
**** *** * * 0;
}
50/100 最新回答
0 0
Case 0: Wrong output
Case 1: Wrong output
0 喜歡 0 不喜歡
內容已隱藏
#include ** ** **

int main(int argc, char *argv[])
{
* ** ** * letterj;
**** * * **** * * ****** letteri;
****** ***** * ******** letterm;
**** * ** **** *** ** lettere;
**** ********* ** *** lettern;
* ** *** * ** * *
* ** * * **** ** ** * * **** * ** * input the letter to encode: ** * * ******
* * * * *********** * * *** *** **** ** * ** * * ******** * * ***** ** * *** *
**** ** **** *** *
*** * * * ***** * ** **** = letterj +3;
* * ** * *** ***** *** * ** = letteri +3;
* *** * **** **** * *** = letterm +3;
* **** * ** **** ****** * = lettere +3;
** * * ******** * **** = lettern +3;
* * **** *** * ***
*** * ** * ** ** * ** * *** * * ** * **** lettere, lettern);
*** * **** * ** ****

* * * ** 0;
}
100/100 最新回答 用戶: (220 分)
0 0
Case 0: Wrong output
Case 1: Wrong output
0 喜歡 0 不喜歡
內容已隱藏
**** * *** * ** *

* * ** * * * {

* * ****
= * ***
* = * * *
i = ** ***
= * **
** = * *****
e = **
= *
= **
= ****

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

* ** * *** ****** ** * *
*
100/100 最新回答 用戶: (283 分)
修改於 用戶:
0 0
prog.c:1:16: fatal error: stdio: No such file or directory
 #include<stdio>
                ^
compilation terminated.
0 0
prog.c: In function 'main':
prog.c:6:5: error: 'cin' undeclared (first use in this function)
     cin >> a;
     ^~~
prog.c:6:5: note: each undeclared identifier is reported only once for each function it appears in
prog.c:11:5: error: 'cout' undeclared (first use in this function)
     cout << a << endl << endl;
     ^~~~
prog.c:11:18: error: 'endl' undeclared (first use in this function)
     cout << a << endl << endl;
                  ^~~~
0 0
prog.c: In function 'main':
prog.c:6:11: warning: too many arguments for format [-Wformat-extra-args]
     scanf("c", &a);
           ^~~
prog.c:11:14: warning: format '%c' expects argument of type 'int', but argument 2 has type 'char *' [-Wformat=]
     printf("%c", a)
              ^
prog.c:12:5: error: expected ';' before 'return'
     return 0;
     ^~~~~~
0 0
prog.c: In function 'main':
prog.c:6:11: warning: too many arguments for format [-Wformat-extra-args]
     scanf("c", &a);
           ^~~
prog.c:11:14: warning: format '%c' expects argument of type 'int', but argument 2 has type 'char (*)[5]' [-Wformat=]
     printf("%c", &a);
              ^
0 0
Case 0: Correct output
Case 1: Wrong output
0 喜歡 0 不喜歡
內容已隱藏
#include ** * * *
#include *** * **** ** **

int main(int argc, char *argv[]) {
* * *** *** ** * ** * letterj;
******* ****** ** * * * letteri;
*** ** ***** ** letterm;
** ***** ***** * * lettere;
* ****** * ** **** *** *** lettern;
* * ** * * * ** * * ** ** *
* * ** ***** ** *** * * * * * ** * * input the letter to encode: * *  
** ** *** ** ** ******* ** *** * * * ** * ** ** * * ** * * ****** ** * * * ** * * ** *** ******
* ** ****** * * **
**** **** letterj = letterj +3;
* * * * * ** ****** * = letteri +3;
** ** ** * *** * *** = letterm +3;
* * * *** ** ** **** ** ** = lettere +3;
***** ** * ** ** ***** *** *** = lettern +3;
****** *** **** *** ** **
* * * * * *** ** * * * *** ** * * * ** * * ** ** * ****** * lettere, lettern);
* * * ** * ** ****
* ** * * ****** ** ** * * 0;
}
100/100 最新回答 用戶: (220 分)
0 0
Case 0: Wrong output
Case 1: Wrong output
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[正常] 開放式問答 - 最新提問 12月 12, 2017 分類:Chapter 2: Syntax structure of the C language | 用戶: 許哲瑋 (449 分)
ID: 37081 - 從幾時開始: 無限制 - 到幾時結束: 無限制
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