#include<iostream> #include<string> using namespace std; char * Fun(char *str,char *des) { int i = 0; int j = 0; while (str[i] != '\0') { if (str[i] != '#') { des[j++] = str[i++]; } else { des[j++] = '%'; des[j++] = '2'; des[j++] = '0'; i++; } } des[j] = '\0'; return ...