0 like 0 dislike
9.3k 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 | 9.3k 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:172.69.17.199
©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