0 like 0 dislike
9.4k 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 | 9.4k 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:172.69.17.117
©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
| 6.6k 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
| 6.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users