0 like 0 dislike
13.2k 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 | 13.2k 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:172.69.6.173
©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
| 9k 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
| 8.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users