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Write a program that reads strings of up to 1000 characters continuously and displays them, after replacing the lower letters with upper letters and vice versa.

寫一個程式 輸入一個字串(最多1000)  把小寫轉大寫大寫轉小寫

Example input:

With the rise in GLOBAL warming and increasing POLLUTION levels, it is becoming essential to find a viable alternative to the internal combustion engine petrol powered CAR.

Example output:

wITH THE RISE IN global WARMING AND INCREASING pollution LEVELS, IT IS BECOMING ESSENTIAL TO FIND A VIABLE ALTERNATIVE TO THE INTERNAL COMBUSTION ENGINE PETROL POWERED car.
[Exercise] Coding (C) - đã hỏi trong Chapter 13: Strings
ID: 41431 - Xem được từ: Không giới hạn - Hiệu lực đến: Không giới hạn

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Hidden content!
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
* * * **** * * ** * * a[100];
** *** * * **** * ** *** **** ** ******
*** ***** ** ** ** i;
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    }
** *** ** ********** * * *** * * ** ****
* ** ** ** ***** *** ** ** ** ***** 0;
}
trả lời bởi (-140 điểm)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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Hidden content!
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main()
{
** *** *** * * ** *** * a[100];
** ** * *** ** *** ******* *
* ** * * ** *** *** i;
* *** * * ****** * *** * * * * * * **
** * * ***** * * ** **** *
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*** **** * * **** **** **** * *** * *** ** *** *** * * ********* * ** **
*** * * * **** ** * **** * ** *** **** ***** * *** ** * * *** **
*** * ** ** * * * * ***** ** ** * ** * ** *** * * * * **

    }
** * ** * ** * * * * * * *** **** ****
* *** ** * * * * ** * 0;
}
trả lời bởi (-140 điểm)
0 0
prog.c: In function 'main':
prog.c:13:28: error: expected expression before '[' token
         else if(a[i]>='A'&&[i]<'Z')
                            ^
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Hidden content!
#include ** ** * *

int main ()
{
* * * ** * * * c = 0;
* ** * ** **** **** * ch, s[1000];

**** *** ** ** * **** ** * ** a * *
* * *** * * * * * *

**** *** ** *** * *** (s[c] != '\0') {
****** ** *** * ** ***** * * * * = s[c];
***** ** * ** ** * * ** * ** ** (ch >= 'A' * * * *** * ch <= 'Z')
** * * * * ***** ** * * ** * **** *** = s[c] + 32;
* * * ** * * * * ** *** **** * * ** * * ** if (ch >= 'a' * * * ** ch <= 'z')
** **** * * * * * * *** *** *** *** ** **** ** **** = s[c] - 32;
* *** * * ** * * *** ******* * ****
*** * * *** ** *

* ** ** * ** ** **** * * ** * ***** * * s);

* * ** * * * 0;
}
trả lời bởi (16 điểm)
0 0
prog.c: In function 'main':
prog.c:9:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(s);
    ^~~~
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/cckJajTZ.o: In function `main':
prog.c:(.text+0x3b): warning: the `gets' function is dangerous and should not be used.
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Hidden content!
#include * * * **** *
* * * *
** * *** * * * **
int * ***
{
char a[1000];
int i,n;

** * **** : * );
* *** * ***** **
**** *
*** ** * *
{
** * * ***** **** ( ( a[i] >= 'a' ) * **** ( a[i] **** 'z' ) )
** * ** *** * * *** * *** * * * * ** * * *
** * ** * ****** ** **** ** ** * * * * **** ** = a[i] - 'a' + 'A';
******* ** * * * ** * **** *** *** ********* ** *
* * ** * * ** ** **** * if( ( a[i] * * * 'A' ) ***** * ( a[i] * ** * 'Z' ) )
* * * ** * * * * **** * * *** * * ** ** * * **
* ***** *** * * * * **** * ** *** ******** * * * = a[i] + 'a' - 'A';
** * * * *** * ** * * ** * * *** * *** * *** ** *
}

printf( **** * * ** a );

** * * ** ***** * ****
return 0;
}
trả lời bởi (-32 điểm)
đã sửa bởi
0 0
prog.c: In function 'main':
prog.c:10:1: warning: 'gets' is deprecated [-Wdeprecated-declarations]
 gets(a);
 ^~~~
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:11:3: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
 n=strlen(a);
   ^~~~~~
prog.c:11:3: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:3: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccbGRkOb.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
0 0
prog.c: In function 'main':
prog.c:11:3: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
 n=strlen(a);
   ^~~~~~
prog.c:11:3: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:3: note: include '<string.h>' or provide a declaration of 'strlen'
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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Hidden content!
#include **** * ***

int main ()
{
** ** *** * * * ** c = 0;
* * ** *** * ** ch, s[1000];
* * *** ****** * * ** * ** s);

** * *** * ** * (s[c] != '\0') {
* * ** *** ** *** ** * * * * = s[c];
* * *** ****** * ** ******* * (ch >= 'A' ** *** * ch <= 'Z')
* ***** *** ****** * * **** * * ** * * *** = s[c] + 32;
** *** ******** ****** ** * * ******* if (ch >= 'a' ** * * ch * ** 'z')
** * * **** **** * * ** * * * * * *** *** * * = s[c] - 32;
* * ****** ** ** * **** * * * *
* * ** * ***** *****

**** * ***** **** * * ******** *** s);

** * ** * * ** ** ** 0;
}
trả lời bởi (-140 điểm)
đã sửa bởi
0 0
prog.c: In function 'main':
prog.c:8:5: 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/ccEVmRzQ.o: In function `main':
prog.c:(.text+0x30): warning: the `gets' function is dangerous and should not be used.
0 0
prog.c: In function 'main':
prog.c:7:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(s);
    ^~~~
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/ccYGFu22.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.
0 0
prog.c: In function 'main':
prog.c:7:12: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
    scanf("%s", &s);
            ^
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
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Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main()
{
* ** * ** * * *** a[1000];

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

* * ** * ** ** * * i;
** * ****** * ***** * * * * * * * **** **
*** ** * *** **** ** **** **
* * ***** * *** ** * **** ** * * *** ***** * * ** ** * ** * * * * * *** *
* * ** * ** * * * ** * * * * * * * * * ** ** * * ** *


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


    }

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

**** * *** ** ** *** ** 0;
}
trả lời bởi (-16 điểm)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 thích 0 k thích
Hidden content!
#include <stdio.h>
int main()
{
* * * ** **** * a[1000];
***** ** * * ** * **** *** i=0;
****** ** * *** * ** ** * * ***
* * * * * **** * *** * * (a[i]!=0)
    {
******** *** * ****** * * * * ********** ** *** (a[i]>64 && a[i]<91)
* * * **** ******* ***** ** * *** * *** * *
** ** ***** ** * ** * * ** ** * * ** * ****** *** * * * * * **
*** ** *** *** *** * * * *** *** ******** *
* * ** *** * * * ** ** * * ** * * * **** ** if (a[i]>96 && a[i]<123)
* **** * * * * *** **** * *** * * * ** * *
* *** ** ** ** ** * ** * ** ******** * ** ** * ** ** * ** *
* ** * **** ****** ***** * ** ********
**** ** ********* * * *** * ** ** * *
    }
*** **** * *** ** * ** * * **** **** **
* * * * **** ** * * 0;
}
trả lời bởi (-229 điểm)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 thích 0 k thích
Hidden content!
#include ** * *
#include **** **** * **

void main()
{
* ** *** * * ** * * *** sentence[1000];
* * *** * * ** *** count, ch, i;

** ** **** * ** * * ** ** (i = 0;(sentence[i] = getchar()) != '\n'; i++)
***** ** ** ******* *
*** *** ** **** * * * ** ** * * * ***** *
** ** *** **** **** **
* *************** ****** * = '\0';
** * ** ** ** ** * * **** * = i;
** * ** * **** ** * * ** (i = 0; i < count; i++)
* * ** * ****
***** * ** * ** * * * * ***** * **** * * * = *** * * * ***** ** * :
** ** * *** **
* * ** * * * * * **** ***** * *** ** ** * * * * * * **
*** * **** * **** ******
}
trả lời bởi (-168 điểm)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
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Hidden content!
* ***** ** **** ** *
* * ***** * * * ***
int *
{
* ** *** char a[1000];
** * * ***** *** * *
* *** * * * ** * int i;
* * * *** * * *** **
******* *** ** {
* * * * ** * *** * * * * * * * * * * ** * * * * * *
** ** ****     {
****         ** * * *
*** **   * ** * * }
** * **** * * ** * ** else * * * * ** * * * ** *
* * ** ******** {
* ** * * * * ** * *** * * *** ** *** * * **
* * * *** *** ** }
* ** * * * }
* ** * * * ** * * * * *
}
trả lời bởi (-249 điểm)
đã sửa bởi
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
    fgets(a,1000,stdin);
* *** *** ** * * ** **** * ** **
* *** ******** *** ** * ** * ** * ** *** *** **
** **** ** ** ** * * * * * ** * * * *** **** ** * *** *** * ******** * * *** ** * && a[i]<='z')
**** * * *** ** **** * * * ** * * ** ** *** * *** * * * ** * **** * ** ** * ** * * *
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*** *** * ** **** ** * * * * *** **** ***** ** ** * * * * *** * ** *
* * * ** *** * ** * * *** *** * * * ******* ** * ** * **** if(a[i]>='A' && a[i]<='Z')
** *** * * * * * ** * ** *** ** *** * * ** * * * * * * *** * ** * ** * *
* ** * * *** *** ***** * * * * ***** * * * *** **** **** ** * *** * * ** * * *** * * ******* * * **** * * ** * * **
**** *** * ** ******** * * * ** * * *** ** ** ** ***** * * ********* *** * ** * ** **** ** * *
* ** ** ** * * * ** *** ** *** ** ** *** *
** ** *** ** ** *** * * * **** * *** * * *** ** ***** * * ** * *
}
trả lời bởi (-258 điểm)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
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