0 like 0 dislike
8.8k 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 | 8.8k 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:172.70.126.14
©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
| 6.2k 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
| 6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users