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:172.70.127.116
©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