1 like 0 dislike
13k views

You are requested to help in writing a program to perform addition of two large number up to 50-digits. In C there is no builtin datatype for large number, but we can use characters and array to solve the problem.

Input: The input will contain two positive integers are separated by a blank, the two positive integers do not exceed 50-digits.

Output: Sum.

寫一個程式輸入兩個大數(最大50個位數),計算其總合。C語言不提供大數資料型態,但我們可以用字元和陣列來解決這個問題。

Example input:

999999999999999999999999999999 999999999999999999999999999999

Example output:

1999999999999999999999999999998

 

[Exam] asked in Final Exam
ID: 42300 - Available when: 2018-01-17 14:00 - Due to: Unlimited

retagged by | 13k views

32 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
#include **
#include ** **** *
char a[100],sum[200],space,i;
int main()
{
* * * * ** * ** ** ** * ** * * *

** * ***** ** *********** **** ** ***
* * * ** ** * ****** ** ** * * * ** ***** * * '){space=i;}
** ** *** ** * * ** **

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


**** **** * * **** * ** * 0;
}
answered by (-286 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
** * * ****** **
*** * ** * *** ** *
** * ** * **** ** **
int main(){



}
answered by (-32 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 (void)
{
** * * ** ****** num1[51],num2[51];
*** *** * * * * * **** i,m;
* ** ** * ** * arr[51]={0};
** *** ** * ** **
* ** ***** * * *** *** * * * %s",num1,num2);
   for (i=0;i<(strlen(num1));i++)
    {
* ** ***** * *** * * ** * * ** * *** ** * * * * * * * * *
    }
* * * *** *** ** (i=0;i<(strlen(num2));i++)
**** * ** * ** * *****
* * ** * ***** * * * *** * *** * **** * * ** ***** ***** * * ** *
* * ** ***** * *** * ***
* * *** * * *** * * * (i=0;i<=50;i++)
* **** * **** * ** * ** *
* * * * ** * * * ** * ** ** * * * ** * * * ****
* *** * * *** ** ***** *** * * * ** ** *
* **** * ** * ** ** * ***** * * * *** ** ***** *** * * * ***
* ** * ** ** * * **** * * * *** * *** *** ***** *** * * **** * * * ** ***
*** * * * ****** **** ** * ** ** * ******
    }
**** ** * *** * ** * * ** *
    {
* * ***** ** * ** ** * *** * * *** **
* **** *** ** ** ** * * * * ** ***** **** **
* *** **** * ******* ***** *** *** * * ** ******** ** ** *** *
* * ** * * * * * *** * ** ** *** * ** * ***
* * * * * * *** * * * * * * *** * ** ** *
** ** ** **** * ** * ** * ** ** * ***
** * *** *** **** * ** ** ** ** * * ** * *** * ** *** * * **** *** ** *** * *
** * * ** * ** ** * ** * * ** ** * ***** * * * ** ** ***** * * *** * * * * * **
* * * * *** * ** * * * * * ** *** * *
    }
** * **** ***** ** ** 0;

}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
#define n 50
int main()
{
* * ** ** ** * * * * a[n],b[n];
* * ** * * * **** **** * ******* ** * ***
**** * ** * * **** * * * l1,l2;
* * * * ****** * ** i=0;
*** * ***** * * *
*** ** * *** *** *** ** * * ***
** * *** * ** * *** *** ***** * *
*** * *** * ***** * * ** ** ** ** ***** **
** * * * * * ** ******** ** * * ****** *



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





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



}
answered by (-329 points)
edited by
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[50]' [-Wformat=]
     scanf("%s%s",&a,&b);
             ^
prog.c:7:15: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'char (*)[50]' [-Wformat=]
     scanf("%s%s",&a,&b);
               ^
0 0
prog.c:28:1: error: expected identifier or '(' before '}' token
 }
 ^
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
**** *** * **** * * * a[50];

**** * * * ** ** ** * b[50];

****** ** ** ** * ** ** ** c[51] = {0};

* ***** ***** **** *** ** * ** * * * a, b);

* ** *** ** * * **** * * i = 0;

* * * ** * *** len_a = strlen(a);

* * * **** * ** * **** *** len_b = strlen(b);

** * ** ** * ** = 0; i < len_a; i++)
* * ** ** * ** **
*** **** * * * **** ***** ** ** ** * * * = a[len_a - i - 1] - '0';
** ***** * * * *** *
****** * ** * ** ** * *** * = 0; i < len_b; i++)
**** * * **** *** **
* * * * **** * * * ********* * ** * * * ** += b[len_b - i - 1] - '0';
* * * * * * * * *** * *

****** **** ** ** **** * ** = 0; i < 51; i++)
* ** * * * ** ** ** *
** * *** ***** * * **** ***** * *** ** * * > 9)
* * * *** *** ** *** ** * ** * **
* ** ** ** * ** * * * * **** ** * * ** * * **** * ******** * + 1]++;

* ** ****** * * * * ** * ** * **** ** ** * * * **** ** * * %= 10;
* * *** ** * ** * ** * ******* ** *** **
* * * ** * **

** * ** * * *** * ** * nonzero = 0;

**** * * ** * * *** * * *** * * = 50; i > -1; i--)
* * * * *** * *
* * * * * *** ** * * * * ** * * * ** * ** ** * * * != 0)
* ** ** ** * ** * ** * * ** ********** *** * *
** * ***** * * * **** ** * * * ** * * * * *** *** ** ** * * ** ** * *** = i;

* * *** ** *** ***** * * * * **** * ** * ** *** * * *
** * * ***** ** ** * * * * ** **** * ** *** *
    }

*** * * ***** ** ** * **** = nonzero; i > -1; i--)
* * * ******** * *
*** **** ** ** ** * *** * * * *** * * * ** * ** * * ** c[i]);
**** * * * ** ***
* * ** ** * * * * * * 0;
}
answered by (-285 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,e,begin=0;
    char a[51],b[51];
    int c[52]={0};
    scanf("%s",a);
    scanf("%s",b);

* * ** ***** ** **** ** * *** * * * * *** ** * * *** ** *****
    for(i=0;i<strlen(a);i++)
* **** * ** ** * ** * *** * * ***** * **
**** * ***** ** *** *** * *** **** * ** *** ** * ** *** *** * *
** ** ****** ** * * ******* * ** ** * ** ** * **
    for(i=0;i<strlen(b);i++)
* ** * * ** * * * * *** ** * * ** * *** ** *
**** * *** ** **** * * * ** ** * ** ** ** * * * * * *** ****
* *** ***** * * * * ** * ** * ** **** * ** * *
    for(i=0;i<50;i++)
******** ** *** * * * *** * ***
***** **** **** * ** * *** * ***** *** ** * * * ** * ** ** * ** > 9)
** * * * ***** * * * *** * * * * * *** ** * ** * **** * * * * **** ** * **** *** *
* * ** * * * **** ** * ***** * * ****** * * * * ***** ** * ** ** *** * * * *** ** **** * *** ** * ***** * ****
* ** * ** ** * ** ** ** * *** * ** ** * * ** *** * ** ** * ** ** * ** ** ** ** ** * * * ** ** * ******
********* ** ** *** * ** *** ** ***** * * ** ** ** * **** *** *** * * ** * * *** *
* * ** * * * * ** * *** * * * * *
    for(e=51;e>0;e--)
* * ***** *** * *** * * ** **** * * ** ****** ******
* * ** * ** ** * ** * *** * * * * ** *** *** * * * * * * **** * * * * **** != 0)
** * * **** * ** * ********* * ** ** * * * *** * *** ***** ***** **** **** ** * * * ** * * **
* ** * * ** * * * * * *** ** *** ******** **** *** * * * ** ******* * *** ** * * ** * * * **
** **** * *** ** * * *** ***** *** ** ** ** ** * * **** ** * * * *** ** *** * * * * ** * *
**** * * ** ** ** * *** **** ** * * * ********** * *** *** ** *** * * * ** * ** * ** *
**** ****** * *** * *** * * ** ** *** ***
*** ***** * * ** * ** * ** ****** ** ****** ** * * ** * *
    for(i=begin;i>=0;i--)
* *** ** ** ** ** ** * *** ***** ** * *****
** **** ** ** * * * * ** * ** ** ** * * * ** ** * ** **** **** * * * * * * * ***
* *** * * *** ** * * * *** * **** * * ****** *
}
answered by (-301 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
*** ** ***** **** *** i,j,k,l;
* ** ** ***** ***** * ** a[100];
*** * * *** * *** ** * b[100];
* ***** * * * ***** ** *** *** ** ** * * * *****
* * ** * *** ** * * * ** ****** ** * *** && *** * ** * ** * * *
* *** * * ****** * * **
* ** * * ** * **** ** * * ** ** **** ***** * *** * * * *********** *
* **** ** * * **
** *** * *** ** **** * * * * * 0;
}
answered by (-229 points)
0 0
prog.c: In function 'main':
prog.c:9:12: warning: integer constant is too large for its type
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:9:10: warning: comparison between pointer and integer
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
          ^~
prog.c:9:49: warning: integer constant is too large for its type
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:9:47: warning: comparison between pointer and integer
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
                                               ^~
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>


   int main()
   {
* * ** * * * ** * * * * ** * *** a[50],b[50];
** *** * * * * **** * * * ** * ** * *** c[51];
* * * *** **** ** * ** * ** *** * n1, n2;
* ***** * ** ***** * ** **** * * **** * * i,j;

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

** *** * * ** ** *** * * ******
       {
* ** ****** ** * * * ****** * * *** * *** ***** **** * * * * );
* ** ***** * ** ** ** **** **** ********* ***

*** * * ** *** ** * * * * ***** ** * ****** * * **
** * ** *** ** ** ***** *** * * **** **
* ** ** * * **** * * **** * * ******* ***** * * * ** * * ** * * * * b[i]);
** * ** ** ** ** **** * * **** * * *



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

* **** * ** ** **** * * * *** * * ** * ** * *
** * * * * * * ** ***** * ** *** *
** **** * ** **** ** * * ** * * ** **** ** * * * ** ***** ** ** * **
* * * * * ***** * * ** * * * * * ****** * ******* * * * * * **
       }

* *** ****** ** * * * **** ** ** * *** * ** * ** * * * *
       {
** *** ** **** ** * ** ** * ** * * * * * *** ** ** * ***** **** ** ** * * *
       }

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


    return 0;
}
answered by (-193 points)
edited by
0 0
prog.c: In function 'main':
prog.c:13:14: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'int (*)[50]' [-Wformat=]
    scanf("%[^\n]*c%",&a);
              ^
prog.c:13:19: warning: spurious trailing '%' in format [-Wformat=]
    scanf("%[^\n]*c%",&a);
                   ^
prog.c:14:14: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'int (*)[50]' [-Wformat=]
    scanf("%[^\n]*c%",&b);
              ^
prog.c:14:19: warning: spurious trailing '%' in format [-Wformat=]
    scanf("%[^\n]*c%",&b);
                   ^
prog.c:17:17: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
    for(i=strlen(a),j=0;1<=0;i--,j++)
                 ^
In file included from prog.c:4:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:22:18: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
     for(i=strlen(b),j=0;1<=0;i--,j++)
                  ^
In file included from prog.c:4:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
0 0
prog.c: In function 'main':
prog.c:14:18: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
        n1=strlen(a);
                  ^
In file included from prog.c:3:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:15:18: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
        n2=strlen(b);
                  ^
In file included from prog.c:3:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:19:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d",a[i] );
                    ^
prog.c:24:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d", b[i]);
                    ^
prog.c:46:21: warning: format '%d' expects a matching 'int' argument [-Wformat=]
            printf("%d");
                     ^
0 0
prog.c: In function 'main':
prog.c:19:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d",a[i] );
                    ^
prog.c:24:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d", b[i]);
                    ^
prog.c:46:21: warning: format '%d' expects a matching 'int' argument [-Wformat=]
            printf("%d");
                     ^
0 like 0 dislike
Hidden content!
#include **** ** **** * *
#include **** * ** ** *
#include * *** * *
int main ()
{
* * * ** ****** *** i,n,m,c=0;
* * * * * ** * ** ** *** A[60]={0};
* * ** *** * ** * * * **
* **** * * ****** *** *** ("%s * *** * *
* *** * *** * ** ** * * * ** * *** *** ** * ** *
* *** ** ** ** * ** * * *** *** 0;
}
answered by (-32 points)
edited by
0 0
prog.c: In function 'main':
prog.c:14:23: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
     for (i=0;i<strlen(A);i++)
                       ^
In file included from prog.c:2:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
0 0
prog.c: In function 'main':
prog.c:11:5: error: expected ';' before 'return'
     return 0;
     ^~~~~~
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>

int main() {
    char a[50], b[50], sum[50];
    int i,j,tmp=0;

    for(i=0;i<50;i++) {
* * * ** *** * * *** * * * *** ** *** *** * ***
    }

*** * ** * *** * ******** * * **** a);
** *** ** **** ** ** *** * b);

    for(;;) {
****** ***** *** *** **** ** ** * *** ** * ** * {
***** * ** * * * **** **** * *** ** ** ****** ** **** ****
** *** * * ** * * *** * *** ** ** ** *** * ** ** ** *** * * *** **
**** * * ** * * ******* *** ****** ** * * *** ** *** * * *** *****
**** *** **** *** * ** *** * * * * ** * *** ** *
**** **** *** * * **** ** ** * * * * *** * *** * {
* ** * * * * **** **** * ** * *** ** * *** * ***** **
* * * * ** ***** * **** ** *** * ** * ** ***** **
    }

    for(;;) {
* ** * ** * * ** ** ** * ** ** * *** ********* * {
* * * * **** * ** *** ** *** ** *** ***** * ** * *** * ** ** **
** * *** ** * * * ** * ** ** * * * * ** **** *** *** * ** ** * * ** ** *
**** ** * **** **** * * ** ** ** * * * * ** * * * *******
* * ******** ** **** * * * ***
* * ***** * * * *** * *** * * * * ** ** {
* *** ****** * * * * * *** ** ** **** * ** ****
**** * ** * * ** ** ******* ** ** *
    }

* * ******** * ** *** ** * ***** * {
** * *** * ** *** ** * ***** * * ** * **** * && a[i]<=57) {
* * * ** * * * *** **** * ****** ** * * * *** *** * ** ** * * * ***
*** * ***** ** ** * * **** ** *** ***
* *** * ******** *** ** * * * * ****** ** ** ** *** * * && b[i]<=57) {
* *** * * * ** *** **** ** ** * **** *** ** * *** ** ** ***** *
* **** ** **** ** * * *** *** ***** *
    }

    for(j=50;j>0;j--) {
* *** *** ** ** * * * ** *** * * * * ** ** ** * ** * {
* * * * * * * * ** * ****** ** ** ** * ** * * * *** ***** ***** **
** ** *** * **** * ** * ******
** * ***** * *** ***** ** * ** ** *** *** if(sum[j]+a[j]+b[j]==10) {
* *** *** * ** * * ** *** * *** * ** * * * * * * ***** * *** *** ** ** *
* * ** * * * *** ** * * * * * * * *** * * ** * ** *** * ** * * * *** **** ******
********** * * * * * * * * ** * * *
** * ** **** ** ** ** * * ***** * * * * * if(sum[j]+a[j]+b[j]>10) {
* ***** ** * * * *** ***** * * * * * ***** ** ******* ***** ** * ***
** * * * ***** ** ** ** * ** *** * ***** ***** * *** ***** ** ****
* * ** * *** ** * **** * ***** ** *** ** * ***
    }

    for(j=0;j<50;j++) {
*** * * * ******** *** * ** * ** * *** **** * ** ** **** {
* ** ** * * *** ** ** **** * ***** * **** ** * * * ** * * ** ** ** ***
* ****** ** ** * ** ** * * ** *****
    }

    for(;j<=49;j++) {
*** * *** ** * **** *** *** ** * ** ** * *** * * ** * ** ** sum[j]);
    }
}
answered by (-120 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.179.155
©2016-2025

Related questions

1 like 0 dislike
37 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42302 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 12.5k views
2 like 0 dislike
31 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42301 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 11.4k views
1 like 0 dislike
37 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42299 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 12.7k views
2 like 0 dislike
30 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42298 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 10.2k views
0 like 0 dislike
8 answers
[Exam] asked Jan 19, 2018 in Final Exam
ID: 43461 - Available when: 2018-01-20 09:00 - Due to: Unlimited
| 2.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users