1 like 0 dislike
14.1k 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 | 14.1k 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:172.70.80.197
©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
| 13.1k 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
| 12k 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
| 13.5k 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
| 10.7k 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