大数相加

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#include <stdio.h>#include<string.h>#include <stdlib.h>#define MAX 101void bigDataAdd(char a[], char b[]);int main(){      char a[MAX] = {0};      char b[MAX] = {0};      gets(a);      gets(b);      bigDataAdd(a,b);      return 0;}void bigDataAdd(char a[], char b[]){      int length = 0;      int m = 0;      char sum[MAX+1];      char tempA[MAX] = {0};      char tempB[MAX] = {0};      int jin = 0;      int lengthA = strlen(a);      int lengthB = strlen(b);      length = lengthA > lengthB ? lengthA : lengthB;      // 将字符串翻转      for(m=0;m<length;m++)      {            if (lengthA == length) {                  tempA[m] = a[lengthA-1-m];                  if (m < lengthB) {                        tempB[m] = b[lengthB-1-m];                  } else {                        tempB[m] = '0';                  }            } else if (lengthB == length) {                  tempB[m] = b[lengthB-1-m];                  if (m < lengthA) {                        tempA[m] = a[lengthA-1-m];                  } else {                        tempA[m] = '0';                  }            }      }      // 相加      for(m=0;m<length;m++)      {            sum[m] = (tempA[m] - '0' + (tempB[m] - '0') + jin) % 10 + '0';            jin = (tempA[m] - '0' + (tempB[m] - '0') + jin) / 10;      }      for(m=0;m<length;m++)      {           printf("%c", sum[length - 1 - m]);      }}

参考：http://blog.csdn.net/insistgogo/article/details/6581466

http://www.cnblogs.com/Lyush/archive/2011/08/14/2137721.html

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