0 like 0 dislike
12.7k 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 | 12.7k 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:172.71.203.113
©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
| 8.8k 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
| 8.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users