#include <stdlib.h> #include <iostream> #include <time.h> #include <string> #include <stdio.h> using namespace std;int main(int argc, char* argv[]) {cout << "请输入需要的密码长度：" << endl;int n;cin >> n;char chr[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,A, B, C, D, E, F, G,H, I, J, K, L, M, N,O, P, Q, R, S, T,U, V, W, X, Y, Z,a, b, c, d, e, f, g,h, i, j, k, l, m, n,o, p, q, r, s, t,u, v, w, x, y, z};sra...