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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];
** ** * ** ** * * ** * * *
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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;
* *** * ***** * * * * ***** ***** * *******
* * * * ** * * ** ** * * *
* * *** *** * * * * * * * * * * **** ** ** * * * * ***** *** **
** *** * ** ** *** * * ** ** *** ** * * ** ** * * * ** * * * * **
** ** ** ** * ** * * ** * * **** ** * ** *** * * ** **** *******
* **** * * ***** * ** *** * * * ***** *** ** * * * * * ** ** * * * ** *

    }
* **** ** ** ****** * * * **
* ** **** * * * * * * * 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
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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')
* ** * *********** * ** * * * * * ** * * ** ** ** * ** * ** * *
** * ** **** * * ** * ** * * * **** *** * * *** **** * * * ***** ** ** * ** * * * ** ** * * **** * **
**** * * ** * * * * ** ** ****** *** ***** ** ** * **** ******* * * *** * ** * ****** ***
** * *** * ** *** **** *** **** * * ***** *** * * ******* *** * * 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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