0 like 0 dislike
14.6k 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 | 14.6k 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:108.162.241.184
©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
| 9.9k 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
| 10.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users