0 like 0 dislike
10.4k 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 | 10.4k 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:172.69.6.59
©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
| 7.2k 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
| 6.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users