0 like 0 dislike
17.2k 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 | 17.2k views

57 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
int main ()
{
* * *** **** *** * * * * ** a[999];
* ** * * * * ** *** * i;
* * *** ** **** **** *** ** (a,999,stdin);
* ** * * **** * ** ** (i=0;a[i]!='\0';i++)
    {
** * **** ** ** * *** ** * * * ** * ** ** * * *** ** *** ** * ** ** * *
******** ***** * ** * * **** * * *** *** *** ** ***** *** ** ** ** ***
** *** ** ******** * *** ** ** * *** *** * * ** if * ** * *************** *** ** *
* * * *** * * **** * * *** * * ** * *** *** ** * ** *
* * * * *** * * * *** ** * *** ** * ** ** * * * * * ** ** * ****** ** * *
    }
* *** *** * * 0;
}
answered by (-32 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include **** * ** * * *
#include <ctype.h>
#include *** *** * * *

int main()
{
** * * * ** * ** * str[1000];
******* ** **** * ** ** i;
* * ** *** ** * **** * *** * ** *** ****
**** * * ** *** **** ** * **** ***
* * ******** ** **** *
**** ** * * * ** * ***** *** * **** * ** * ** (str[i]>='A' && str[i]<='Z')
*** * ** **** * * **** * ** *** ***** * * * ** ** * * * * ** ** * **
***** * * ***** **** *** * ** **** * ***** * ** * if (str[i]>='a' && str[i]<='z')
* * * ** * ** * ** * ** * * *** * *** * * * * *** * * **** *** * * * * **
****** ** ** ****** *** *
* * *** * * **** * *** * ** *
**** * * ** * * *** 0;
}
answered by (-249 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char a[100];
    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/ccggSZJP.o: In function `main':
prog.c:(.text+0x1f): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main(){
    char c='a';
** * * ** * ** * *** * ****
** * * * * ** ** ** * ** * * *
* ** * * * * ** **** * * ** * * *** **** ** ** ** * *** * * * *
** **** *** * * * * * **** * * * * ** * *** * **** *** * * ** * * * **
** * * * * * ** * * *** * **** ** ***
* ** * ***** ** * ** * *** * * * * * ** * *** if(c<='z'&&c>='a'){
*** **** * ******* ** *** *** * ** **** * ******* * * **** * *** * * ** * ** ** ***
* * *** *** * ********* ******* ** *** * * ********
* * * ** *** * * ** ********** * * *
* * * ** ** * ***** * * * * ** * * * ***** *** * ** *** * * * ** *****
* ***** ** ** * * * * **** * ** **** * * **
* *** **** * * ** * ** ** * ** * * ** * ** ** **
    }
    return 0;
}
answered by (-116 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 main()
{
    int i,t;
    char a[100];
* **** * ** *** ** * *** ** *
* *** * ** * * ******* *** ** * ** * **
* * * * * * * ** ***** ** ** *** * ** * *
**** ** * *** ** ** ******* ** ** ** * * ******* * *
* * ** * * * * * * * * * * * ****** **** * * *** * && t>64){
** ***** ***** * * ** * * * **** * *** *** ** *** *
*** * * ** * ** * * ** * ** ** *** * *** * **** ** ** ** * ** **** ** *
* *** *** * * ** * * * ** * * * *
*** * ** * **** *** * ** * * * * * * * * ** if(t<123 && t>96){
**** ** * * ** ** *** *** * **** *** * * **
* * * * ** * * * * *** * * ** ** **** * ***** * ** * ** *
* ********** * ** **** * * * *** ** **** * ** ** *
    }
* ** **** ** * ***** *** * * ** *
** * * * ** * * **** * 0;
}
answered by (54 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()
{
    int i,t;
    char a[100];
* * ** * ** *** ** ** * * * **** *
* * *** * * *** * **** * * * ** * * *** * **
* * ** *** * ** * ** * * * * ** ** * *** * * * * *
* ** ** **** ** ** *** ** ** *** ** * * ** ** **** * *****
** * * * * * * ****** *** **** ** ** ** *** * && t>64){
* **** * * ***** ** * * * * **** * **** * ** * * **** * * * ***** * *
**** * * * * * **** * * ** ** **** ** ** * ***** * * *** ******
** * ***** ** *** * * * ** * ** * *** * *
*** ** *** * ******* *** * ** * * ** if(t<123 && t>96){
******** * ** *** * * * * **** ** *** * * * ** ** ***** * * *** * ** * * * **
* * ** * * ** * * ** * *** *** * *** * *** ** **** **** ** * * ***
* * * * ** * * * * * ** ** *** * * ** *
    }
* ** * * * * * ** * ** ** * * * **
** * ****** ******* ** 0;
}
answered by (54 points)
0 0
prog.c: In function 'main':
prog.c:7:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(a);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'
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>

int main() {
    char in[1000];
    int len=0,i;
* * * * ** ** **** * * ** * * **
** * * * ** ** ** * * ****** * ***
* **** ** ** * ***** ** * * *** {
* **** *** * *** * ** * * * * ** ** ** *** ** * * * * * ** * * ** * {
* ******* * * ** ** * ** ** * * **** * ****** * **** * * ** **** in[i]+32);
** * *** * ***** * ** ** * * ** * * ** **
** * * *** * * ** * **** * ** ** * *** **** ** *** * ** * ***** * * ***** ** {
* *** * * * ** ***** ** **** * ** **** *** *** *** * ***** ** **** ***** * **** in[i]-32);
* ****** **** ***** ** ** ** ** * *** * * * ***
*** *** * ** ** * ** ** ** ** ***** ** *** {
* * *** **** * **** * **** * * ** * ** * * ***** ** ** * ** * * * *** in[i]);
** ** * ** **** ** *** * *** * ** * * ** **** * **
    }
}
answered by (-120 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.94
©2016-2026

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
| 12k 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
| 11.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users