#include <string> string gen_random(int len) { string s; static const char alphanum[] = "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz"; for (int i = 0; i < len; ++i) { s += alphanum[rand() % (sizeof(alphanum) - 1)]; } return s; }
string gen_random(int len) { string s; static const char alphanum[] = "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz"; for (int i = 0; i < len; ++i) { s+= alphanum[rand() % (sizeof(alphanum) - 1)]; } return s;