#include
     
      using namespace std;void FindCommonChar(char a[], int lena, char b[], int lenb){    int hasha[256] = {
   0};    int hashb[256] = {
   0};    for (int i = 0; i < lena; i++)    {        hasha[(int)a[i]] = 1;//记录a数组的所有字符    }    for (int j = 0; j < lenb; j++)    {        hashb[(int)b[j]] = 1;//记录b数组的所有字符    }    for (int i = 0; i < 256; i++)    {        if (hasha[i] == 1 && hashb[i] == 1)        {            std::cout << (char)i << std::endl;;        }    }}int main(){    char a[5] = {
   '1', 'b', 'C', 'f', 'f'};    char b[6] = {
   '1', 'b', 'd', 'e', 'C','d'};    FindCommonChar(a, 5, b, 6);    return 0;}--------------------- 作者：一蓑烟雨1989 来源：CSDN 原文：https://blog.csdn.net/wangshubo1989/article/details/88618464 版权声明：本文为博主原创文章，转载请附上博文链接！