1 like 1 dislike
18.5k views

Write a program that reads an integer (1-4 digits) and displays the number of its digits and their sum. For example, if the number is 1234, the program should display 4 and 10

寫一個輸入四位整數 輸出數字的位數和位數的總和。例如,數字是1234程式會輸出4和10。

More information about Loops here.

 

Example input:

1234

Example output:

4 10

 

Example input 2:

245

Example output:

3 11

 

[Exercise] Coding (C) - asked in Chapter 6: Loops by (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited

edited by | 18.5k views

85 Answers

0 like 0 dislike
Hidden content!
*** *** ** **
int main *
{
int ** * **
***** ** * **** * *
* * (a != 0){
* ** **** ***** * * * *** *** += a%10;
* *** * * ****** ** ** /= 10;
** ** **** * * * *

}

*** * ** ** *** **
* 0;
}
answered by (-255 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>

int main() {
** * ****** *** ***** ** a, a2, b1, b2, b3, b4, i, sum;
** ** * ** ** * * * ***
* *** ** **** **** * ** ** * * *** *** &a);
** ** * * * **** **
** *** * * * ** *** * * * {
* ** * * *** * ** * **** * * *
****** ** ** ** *** * * * * ***** **** * break;
* *** * ***** * * ** * *** * * ** * ***
    }
* ****** * * * * * * ** *** ", i);

* ***** * * ** * *** * * * {
* *** *** ** * * * ****** * * * ** *** ****
********** *** * * ** * * * * * * ** ****** ** *
*** * ** * **** * *** ** * *** * ** **** * ** ** ***** *
** ** ** * * ***** * ** * ***** * ******** * *** *** * ** **** * ** *
    }
** * * ** * ** ** * * ** if(i==3) {
* * * * ** *** *** * * * * * * ** **** ** *
** * *** ** * * ** ***** * * * **** * ***** **** * **
* * * ** ** * * * ** **** * * * * * ** ** * * * * * * *
    }
** ** *** ** ** * ****** * * if(i==2) {
** **** ** * * ** ** * * * ** * * ** ** * * * * **
*** ** **** *** * * ** * * * * * *** *** *
    }
**** ** **** ** * * * if(i==1) {
** * * ** * ** * ** * ** **** * ***** ** * ****
    }
* ** * ***** ** * * ** **** * **** *
*** * ** * ** * ** * * ** * * * * %d %d %d", b4, b3, b2, b1);
** *** ** ** *** * * * ** ** ** * sum);
}
answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
can you replace 4 if statements with only 1 loop?
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* *** *** * ** *** ** * a,b,c,d,e,f;
* ** **** ** * ** * ** * ** * %1d %1d * ** ** ** * * * * **** * * **
* * * * ** *** ** (a==0 && b==0 && c==0)
*** * * **** * **
* ** ** * ****** *** *
* *** * ** ***** * *
**** * * *** **** * ** if(a==0 && b==0)
** * * * ** * **
** **** * * * ********* **** *** ** * * * * *
* * ***** *** *** ***
** * ** **** * ** * * ** if(a==0 && b==0)
* ** * * * ** ** *
** * ** * ****** * ****** * * * * **** * ** *
* * * ** * * * *
****** *** ** * * **** * *
** * ***** ** * * *** **
* * * * *** * ** ** ** ** **** * ** **** * **
* *** * * * * * * * *
* *** * * * ** * *** * *
* * ** * * * * * * * ***** %d",f,e);
*** * * **** * 0;
}
answered by (-229 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
what if a == 0 && c == 0 && d == 0
or b == 0 && c == 0 && d == 0
it will all print f = 4
0 like 0 dislike
Hidden content!
int main() {
    int a, a2, b1, b2, b3, b4, i, sum;
* * ** * * * * * ** *
* * * *** ****** ** ** * * *** * ** &a);
*** * *** ** ** * *** *
* * * *** *** **** *** **** * ** {
** * ** * * ** **** * ** * * * * *
***** ** * * ***** *** ** * * * *** ** * ******* break;
*** *** * * * * *** ** * *** * * * * ** *** * **
    }
** *** *** * ** * * ** *** * ", i);

** * * * * *** *** {
*** * ***** * *** * * * * ** * ** ** * *** **** *
* *** *** * **** ** **** **** ** * * **** ** * * * ***
*** *** * ** ** * * ** * * **** * *** * * * ** * * ** *
*** * * * * ** * * * * * * ** * * ***
    }
** *** * *** * * * if(i==3) {
**** * *** * **** * **** **** *** ** ** * *
*** * * *** * * ** * * ** ** **** * * * ** **** * * * **
** *** * * ***** * ****** * *** * * ** **** *
    }
* **** * *** ***** ** if(i==2) {
* **** ** * * * * ** *** ** ** ** **** ***** * *
* * * ***** ***** ** * * * ** *** * ** * **** *
    }
* *** ** * * * ** if(i==1) {
**** * * * ** ***** * * ** **** ** * *** * ** *
    }
* * **** * *** *** * * * ***
** ** *** * * * * * ** ***** %d %d %d", b4, b3, b2, b1);
**** * **** * ** ** * **** *** * *** ** sum);
}
answered by (-108 points)
0 0
prog.c: In function 'main':
prog.c:4:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration]
     scanf("%d", &a);
     ^~~~~
prog.c:4:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror]
prog.c:4:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:11:5: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration]
     printf("%d ", i);
     ^~~~~~
prog.c:11:5: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
prog.c:11:5: note: include '<stdio.h>' or provide a declaration of 'printf'
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* * * * *** *** * * **** a,b,i,max;
* **** * ** * * ** ** ** * ** %d",&a,&b);
* * * ***** * * ** ********** * * ** ** **
* * * * *** ** ** *
**** ***** * * **** * * ** ** * * * * * ** * * ** ** *
* ** **** * ** * * * * * * ** *** *** ****
* *** * * ** *** * *
** *** ** ** * * ** **** * * ** **** * *
* * ** ** **** 0;
}
answered by (-284 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(){
* ** ** * ** * ** * * i;
* * * * * *** ** * sum=0,counter=0;
* ** *** * ** ** * * ** * ** ** ***** ** ***** * **** * * ){
* * ** * * * * * **** * * ** ********** *
** ** ** * * ** ** *** ** * * ***** ** **
** * *** * * *** *
* ** ** *** ***** ** * ** **** %d",counter,sum);
**** * ** ** * ***** * ** * ** 0;
}
answered by (-116 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{int sum,d,c,i,m;
* * * *********** * * ** * ********* * * * *
*** ** * ** * ** * ** **** *
* * ***** ** *** ** **** ** *
    {
* **** * * ****** * * ** *** ********* * * *
* * *** * * ** * ** ****** ** ** **** **
* * **** * * ***** ** * ** * * ** ** *
**** *** ** * * *** ** * ** * ** *** *
**** * **** * *** ** * * * ** ** *
    }
** * ** * * * * *** *** * *** ***
* ** * ** ** **** ** * ** * %d",i+1,sum);
*** ** * * ** * ** * 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
1 like 0 dislike
Hidden content!
#include<stdio.h>

int main() {
** ** ***** ** ** * a, a2, b1, b2, b3, b4, i, sum;
** * * ** * *** ** ***** *** * **
* ** ** *** ** ** ** ***** * * *** ** * ** ** &a);
** * * * ** * ** ** *
* *** *** **** ** ** ***** * {
** * * * *** * ** * * * * ***** *** ** * ** *
**** * * * * ** * * * * *** ***** ** * ** ***** * * break;
* * * * * ** * * * *** * ** ***** * *
    }
* * **** * ****** * * ** **** * *** ", i);

** ** * * *** **** ** * {
***** * *** * ** * * *** * * ** ** * * ** ** * * *
***** * ** **** ***** ** * ******** ** * * ** *
* * **** * * ** * * * * *** * ** * ** * * *
* * * * * * * * * * * ** * * *** * * ** ** * * * * * ***
    }
* * ****** *** ** ** ** if(i==3) {
* * *** * ***** ** ** * ****** *** * * * *** * *
*** * *** ** * ** *** * * * * ** * **** *
* **** ** ** * * * *** **** ** * *** *** ** *** ** **
    }
* ** ***** **** *** ** if(i==2) {
*** *** ** * * * *** ** *** * * * * * ** ***
***** * * * ** *** * * * *** * * * * *** ** ** * ** *** *** *** *
    }
* * ******* ** *** if(i==1) {
**** * * * ** ** ******* *** *** **** ** ** *
    }
* * *** *** * * * * ***** * ***
* *** * * ****** * * *** * ** **** %d %d %d", b4, b3, b2, b1);
** * ** *** * * ** ** ** ****** sum);
}
answered by (-284 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(){
***** ** * * * * *** * *** i;
* * * * * * * ** ** * sum=0,counter=0;
* * * * * * * * **** *** * ** *****
* * **** ** ** ** * *** {
* **** * ** * **** ***** * * ** **** * ** * * * ** *** * *
*** ** ** * * * * * * ** ** ** ***** * * ** i%10;
* * * * * ** ** **** ** ** ** * * ** * * *
* * * ** ** ** *** ******* *** *

** * *** *** * * * **** * * * %d",counter,sum);
** ** ***** *** * * * 0;
}
answered by (-116 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
** * * *** *** ***

int * **

int *

int **

**** *** ** * * ** * **
*** **
**** ***
* ** **
* ** **
*** **

* ******* *
a= ***
*
}


** * ** ** *** *


}
answered by (-336 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.59.81
©2016-2025

Related questions

0 like 0 dislike
69 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28913 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 14.3k views
2 like 0 dislike
64 answers
[Exercise] Coding (C) - asked Oct 19, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 27669 - Available when: Unlimited - Due to: Unlimited
| 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users