0 like 0 dislike
12.8k views

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) - asked in Chapter 13: Strings
ID: 41431 - Available when: Unlimited - Due to: Unlimited

edited by | 12.8k views

57 Answers

0 like 0 dislike
Hidden content!
#include "stdio.h"

int main()

{

* * * ** **** ** ****** ** *** ** ch[1000]={0};

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

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

* * * * * ** * *** *** * ** *** * &ch);

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

* ****** **** *** ** *** * **** * * *** * *** && ch[i]<='z')

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

*** *** ** * ** ** *** *** ***** ****** * if(ch[i]>='A' && ch[i]<='Z')

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

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

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



}
answered by (-284 points)
0 0
prog.c: In function 'main':
prog.c:11:14: warning: zero-length gnu_printf format string [-Wformat-zero-length]
       printf("");
              ^~
prog.c:13:15: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%[^\n]", &ch);
               ^
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int read_line(char str[], int n)
{
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0'; /* terminates string */
return i;
}
int write_line(char str[])
{
** * ** * * ** ** i=0;
* ** * * ** *** ** * * * ** **** * **
* ** * * ** ***** * * * *** **** * ** * ** **** * * * * **** * ** * ** *** *


** * *** * * * ***** * ********* ** ** ****** *
* * * * * *** * * ** i;
}
int main()
{
* *** * * * *** * * str[1000];
*** * ** * * ** ***** * i;
*** ** * * * ** * * * *
** * *** * *** *** * * ** *** * *** * *
    {
** * * * * * *** * * * ** ** * *** * * *** * *** * * * *** ** *****
***** ** * * ** * * *** ** * ** ** ***
* *** ***** *** * ** * **** * ** ****** *** ** ** * ****** * ** ** **** *
* **** * * *** * * **** *** *** ****
** * * ** * *** **** ** *** ** *** * ** if * * * * * * * * * *
* * * * * ** ** * *** * * ** *** ** ** *
* * * ** * * ** * * ** ** ** * ** * ** **** ** ***** ** * ****
* ***** **** **** * ******* * ** * *
* * ** ** *** ** ** *
* * * ** * ** ** * ** **

** * * ***** * ** ********* **** 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{

** * ** * *** ** ** ** i;
** * ** * * *** * * *** str1[1000],str2[1000]={0};
** * * ** * * ** ** ** ** **** ****** a sentence to convert upper to lower and vice versa\n");
* * **** * ***** ** * * ****
*** *** * * ** * * ** ** **

* * *** **** ** * * * ** ** *** **
* * *** * ** * * *
* * * * **** ** * * ** * ** ** * ******* *** * * &&str1[i]<='z')
***** * * **** *** ** ** *** ** * **** *
**** ** * ** * ** *** *** * * * ** *** * ******** * ***** * *** * ** * * ** * * ** **
*** ** ** * * ** ***** * ***** ****** * ** *** **** **
*** **** *** * * *** *** * * * * ** * ** *** ** ** ******** **** * * ***
* ** ** ** * * * * ** ** * *** * * * * ** ** * *** *** * * * * **** ***** **** * * ** *
* * ** * ******** **
*** ** * * * * * *** ** *
** * * * * * * * ******** * * ** ***** * ** * **
* * * * ** ** * * *
}
printf("%s",str2);
return 0;
}
answered by (-167 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<stdlib.h>
** **** * * ** * **
int main()
{
*** *** * ** ** S[5000];
********* *** ** ** *** *** 5000, stdin);

* * ******** * *** a,N=strlen(S); ** *** * * * ***
* *** * *** * ** ** ** *** * *** * *
** ** * ** *** ** ** ** ** * ** * * ** *** ** ** ** * && S[a]<='z' )  //大小寫轉換
* * * * ** * **** *** * ** ** ** **** * ** * * **** ** *** * * ** ***** ****** * ** ***
* * * ** * * * * *** ***** * **** * * * if ******* * * * * S[a]<='Z')
***** ** * ** * * *** * *** ** ** * **** *** ** * * ****** ** * ** *** * * * ***** **** * ** * *** *
** * ***** * ** * ***** ** * * * * * * ** ** * * *
* *** * *** *** * * *** * * *** * ** * ** * * ** ***** *** ** * ** ** ** ***

 return 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int read_line(char str[], int n)
{
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0'; /* terminates string */
return i;
}
int main()
{
*** ** *** * ** ** ** * str[1000];
* ***** * ** * ** * * ** i,a,b;
****** * * **** ** *** * *** * **
* * * ** ** **** *** * * ** * **
******* * ** ***** * *** *
** * * * ************** * ** * ** * * ** * * *** *** * * * *
*** *** ***** ** ** * * ********* ** * * ** * * **
* ** ** ** * **** * *** * * * *** * * * *** * ** * *** * * *
* *** * * * **** ** * * * * *** ** ***
** * * * ** ***** * *** ** * * ***** * if * * * ** * *** *** * * ** **
* * * ** * * * **** * *** *** **** *
* * * *** * *** * ** *** * ** ** *** * *** * * * ** * *** * **** * **
** ** * *** ** * ** * ** * * * * *** ** * * ****
* * *** * * * * ****
*** ** ***** * *** ***** ***
*** * * * ** * *** ** *** * 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int read_line(char str[], int n)
{
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0'; /* terminates string */
return i;
}
int main()
{
*** ** *** *** * * * ** ** * str[100];
* **** ** * ** ** **** **** i,a,b;
*** * * * * * *** *** ** * *
* *** * *** * * *** * * ** * ** * ***
** ****** ** * ** *** *
* * * * * * ** ** ** * * ** ** * *** ** * * * * * * ***** * ** **
* * * ******** * ***** * * ***** ** ** *
* * * * * * * * ***** *** * ** *** ** **** * * *** ** ** * * * *** *** *
**** * *** **** ** **** * ** * ***** * **** ** * * ***
* **** *** * * ***** * ** ***** ** if * * ** * * * ***** * * * **
** ** * * ** *** ** * ** * * *** **** ** ***
* ** * * *** * ** * * ** * ***** ** **** *** ** *** ****** *** * *
** ** ** ** *** * ** * ** ****** ** ** * * * * **** **
** * ** *** * * ** * **
* * * * ** ***** ** * ** *
* * *** * * ** **** ****** 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char a[1000];
    int i;
* * * ** *** ** * * *
* * ** * ** * * * * *** * * ***
* * ** * * * *** * * * ** *** * * ** ***** * ** *** *** ** ********* * * * ***
** *** * ** ** * ** **** ***** *** * ** * * * **** ** ** ** ** **** * *
** ** ** * ** *** * *** ** * ***** * ******* ** * * *** ****** ** * ******* *** ***
** ** * * * * *** ** * * ** ***** ** ** *** * *** ** * * **
* * **** * ** * *** ** *
* *** * * *** ** ****** * 0;
}
answered by (-284 points)
0 0
prog.c: In function 'main':
prog.c:6:5: 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__;
              ^~~~
/tmp/cckMIBeA.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>

int main()
{
** * * ** * ** * ** * str[100];
    int i,a,b;
* ** *** * ***** ** * ****
** **** ** *** * ** * ***** ** ** ** **
    {
** ** ** ** ** * **** *** * * * ***** ** * * **** *** ** * * ** * * * *
* *** * ** * ** ** * *** *** * * * * * * **
* * ** * * ** * * * ** ** * ** ** ** * * * * ****** * ***** ** * ** *
*** * *** * * ** * * ** ** * * ** *****
* ***** ******** * ** ******** * * ** ** * if * * ** * *** ** ****** * * * **
* *** * * * ** ** ** * ****** *** ** ** ** * *
** * * ** * * * ** * ** * * ******** ** **** *** * * * *** *** * ** ***
*** ** ****** ** ** * * **** ** * *
    }
* ** * ** ****** * ** * * *** * *
** * ** * * * ** * * ** * 0;
}
answered by (-196 points)
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/cc7O3tJu.o: In function `main':
prog.c:(.text+0x23): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char str[100];
    int i,a,b;
* ****** * ** * * * * *******
* * * * * ** *** **** * * *** ** * * **
    {
****** ** ** * ***** ***** * *** * ** *** **** ** ** ** ** * **** * ****
** ** * *** *** *** ******* * *****
* ** * **** * ***** *** * * * * *** * * ** *** *** * * * * ** ** * **
* ** ** * * * ****** *** * * * ****
* *** ** * * * * *** *** ** *** * if * * * **** ** * ***** * * *
* ** *** * * *********** * ** *** * **
* *** ** * * * *** * ** ***** * ***** * ** **** * * ** * **
* * ** * * ** * ****** * * ***** * *** *** *** *
    }
** * * ** ** *** * *
** * * * * ** *** * 0;
}
answered by (-196 points)
0 0
prog.c: In function 'main':
prog.c:6:5: 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:7:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(str);i++)
               ^~~~~~
prog.c:7:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:15: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccX2gnMW.o: In function `main':
prog.c:(.text+0x23): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char str[100];
    int i,a,b;
*** ** * **** * ** ** ** **
* *** * *** * * * * ******* ** * * ** ** * ** *
    {
** **** *** ** ** * *** * * ***** * *** **** * ** *** * ** **** ** *
* * * * ********* **** * * *** *** ** *
** ** *** ** * * * ** * * ** ** * * *** * * ** * ** ** * * *** *
****** * **** ** * * * ** ** ** *
* ***** ** * * **** * ** * * * ** **** if ** ** ***** * *** * ** * * ** *
* * * * * *** * * *** ** * ** *** * *****
* * **** *** *** ***** * * ** * * ** * * ***** * ** ** **** * ** *
***** * * * * * * * * * *** ***
    }
* * *** *** ***** ******
* * ** * ***** ***** * ** 0;
}
answered by (-196 points)
0 0
prog.c: In function 'main':
prog.c:6:5: 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:7:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(str);i++)
               ^~~~~~
prog.c:7:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:15: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccxAMu40.o: In function `main':
prog.c:(.text+0x23): warning: the `gets' function is dangerous and should not be used.
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.17.58
©2016-2025

Related questions

0 like 0 dislike
27 answers
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41439 - Available when: Unlimited - Due to: Unlimited
| 8.8k views
0 like 0 dislike
29 answers
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41436 - Available when: Unlimited - Due to: Unlimited
| 8.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users