0 like 0 dislike
14.2k 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 | 14.2k 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:172.70.50.26
©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
| 9.7k 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
| 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users