0 like 0 dislike
6.9k 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

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (5.2k points)
ID: 40714 - Available when: 2018-01-04 18:00 - Due to: Unlimited

edited by | 6.9k views

44 Answers

0 like 0 dislike
Hidden content!
#include ** ** * * *

#define LEN 51

int ******* n[])
{
*** ******** * * tmp[LEN]; * i,m;
** **** * * * ***** *  { * * **  }
* * *** **** **** ********* ****** **  { * *** * -1;  }
* * ** **** ** *
* **** ****** ** **** *  { *** ** * *** * * *  }
}

void *** * ** n[])
{
* ** * ** i,p,f=0;
* * **** ** ** ** **
**** *** ****** ** *** * * *  { * **** ** ** **** *  }  }
* ** * ** *
*** * * ** * ** * *** * * * * * * * * *** * * *** *** ** *** ****
** *** ** *  { * * *** * * ****** * * **
}

void * * a[], char b[], char c[] )
{
* **** * ** i,tmp=0;
* * * * ** * ****
* * ** *
**** ** * * * **** * * ** **** * *
* ** *** **** ** * * * * ** ** *** * ** * ** ** *  }
* *** * * ** * *** * * tmp=0; *
** **
}

int main(){
**** * *** * ** * ** *** * *****
* * * ***** *** *** ** * * *
* ** * ** ** * * * **** ** *
**** * ** ** * **** * ****** **
** * *** * ** ***** * *
* * ** ** * * * ** * 0;
}
answered by (-116 points)
0 0
prog.c: In function 'InputBigNum':
prog.c:10:5: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
   m=strlen(tmp);
     ^~~~~~
prog.c:10:5: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:10:5: note: include '<string.h>' or provide a declaration of 'strlen'
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
#define LEN 300

int  Input(char n[]){
** * * * ** ** * * ** *** * *** * * ** * ***** * * s[LEN];

** ** * ** * * ** * ***** * * * * * *** * i, l;

**** * ** *** *** **** ** ****** * * * * * ** ** * i<LEN; i++){
** ** ** *** ** * ** *** * * ** *** * * * ******** * * * *** * * * * * * *****
** **** ** * ** ** *** * * ** **** ****** * ***
**** * * ** * ** * * * *** * * * * *** ** * * * * ** * * * ** **** s)<1){
**** * * * * * ** ** * ***** *** * * * * * * ** ** ** * * * * * ** -1;
*** * * * ** ** ** *** * * *** * * * * * *** * *
**** * * * * * ***** ** * * *** * * *** ** * ***** * * ***
* ******* * * * *** * ** **** * * ** * * * * *** *** ***** * i<l; i++){
*** * * * * *** * ** ******** * * ** * *** **** * ** *** **** * ** *** * ** * * *** ****** *
*** * * ** * ** * * **** ** ** * * ** *** * * * ** ** *
* * * * ** * * ** * ** * **** * * ** * ** ***** * **** * * 0;

}

void Print(char n[]){
* * * * * * * *** * **** * ** * *** * * * ****** ** **** ** i;
* ** ** * *** * ** * * * ****** ***** *** **** * * * * * ** * i>0; i--){
**** * *** ** *** ** * * **** ********* *** ** ** ** * * * * **** ** ** ** * ** ** ** break;
* * * * *** **** *** ******* ** * ** *** ** * * * **
* **** ** * ** * ** *** ****** * **** ** * ***** **** ** *** i>=0; i--){
** *** * ***** **** * *** * *** * ** ******** ** * * * * * ** *** * * ** *** * n[i]);
*** ******** ** ** *** * * *** * ** * ***** * ***** * ** * *** * *** *
* ** ** **** * * * *** ****** * * ** * * ***** *** * ** ** * ******** ** * ***
}

void Add(char a[], char b[], char c[]){
*** ** *** * ** ** * * * ******** i;
** * *** ** *** *** ** ** *** * * ****** * *** **** * * i<LEN; i++){
** ** *** *** * * *** ** * * * ** **** * ******** ** ******** * * * *** * * ** ***
         }
* * * * *** ** * * ** *** *** * * **** ** i<LEN-1; i++) {
* * * * * * *** * * *** ** ***** ***** *** * **** * **** * * * *** * {
** ** ** ** ** *** * *** **** *** ** **** * *** ** ** * **** ** ***** *** **** * ** * **
* * **** * ** ** * * * * ** * *** *** * * ** * ** * **** ** ** *** * *** ** * *** ** * * * **
** *** * ****** ** * * * ****** *** * * * *** * * * * * ** **** ** * * * **** * * ** *
        }
}

void main(){
     char a[LEN], b[LEN], c[LEN];
     Input(a);
     Input(b);
     Add(a, b, c);
     Print(c);
}
answered by (-32 points)
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: Correct output
0 like 0 dislike
Hidden content!
**** * * *** *
int main()
{
* ** * * * * * ** * a,b;
* ** * **** * ** * ** * * ** * *** ***** *
* * ***** * * * * ** * * * ** * * * ******* * * *** *





}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
0 0
nice try hahaha
0 0
This is the best one!!!! hahahahaha
0 like 0 dislike
Hidden content!
** ** ** ** * *** ***
******** ***** *

int main()
{
char A[50],B[50];
int C[51]={0};
int i,j;
scanf("%s %s",A,B);
** ** **** * * *** *** j++)
{
** * * ** * ** * * * ** ** ** ****
}
* * ** ** * *** ** * j++)
{
* * * * ** *** *** * *** *
}
for(i=0;i<51;i++)
{
* ** *** ** *** * ** ** **** ** **
** * ** * ***** * ***
****** *** ** * *** * ** * *** ** ***** * *****
** * ** * * *** ** ** * *
* *** * *** * *
}
for(i=50;i>=0;i--)
{
** * * * * ***** * *
* * *** * **** * * ***
* * **** *** * ** *** **** ** * * ** * ***** * * *
*** * * *
****** * * ** * ** **** ** ** * ** * **
* *** * ** ** *
* * ** *** * * *****
}
}
}
answered by (5.2k 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:172.71.254.196
©2016-2025

Related questions

1 like 1 dislike
85 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 12k views
12,783 questions
183,442 answers
172,219 comments
4,824 users