// open api
@SecurityScheme(
    name = "Basic Auth",
    type = SecuritySchemeType.HTTP,
    scheme = "basic",
    description = "Basic Auth")

// security config 2 users
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

  @Bean
  public PasswordEncoder passwordEncoder() {
    return new BCryptPasswordEncoder();
  }

  @Override
  protected void configure(HttpSecurity http) throws Exception {
    http.antMatcher("/api/**")
        .authorizeRequests()
        .anyRequest()
        .authenticated()
        .and()
        .httpBasic()
        .and()
        .sessionManagement()
        .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
        .and()
        .exceptionHandling()
        .authenticationEntryPoint(new Http403ForbiddenEntryPoint())
        .and()
        .csrf()
        .disable();
  }

  @Override
  protected void configure(AuthenticationManagerBuilder auth) throws Exception {
    auth.inMemoryAuthentication()
        .passwordEncoder(new BCryptPasswordEncoder())
        .withUser("<username>")
        .password(passwordEncoder().encode("<password>"))
        .roles("<role>")
        .and()
        .withUser("<user2>")
        .password(passwordEncoder().encode("<password2>"))
        .roles("<role>");
  }

// controllers
@SecurityRequirement(name = "Basic Auth")

import { Component, OnInit } from '@angular/core';
import { SecurityService } from './data.service';
import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
@Component({
  selector: 'app-root',
  template: `<div [innerHtml] = "safeValue"></div>`,
  providers: [SecurityService]
})
export class AppComponent implements OnInit {
  safeValue: SafeHtml;
  constructor(private secure: SecurityService) {
    this.safeValue = this.secure.getSafeHtml("<h1>Sanitization Success</h1>");
  }
  ngOnInit() {
  }
}

#include <iostream>
using namespace std;

struct hashing
{
    int value;
    int key;
};


void put(int value, hashing hash[],int n) {
    hash[value % n].value = value;
    hash[value % n].key = (value % n);
}

int get(int key, hashing hash[]) {
    return hash[key].value;
}

int main()
{
    int n;
    
    struct hashing hash[n];
    cin >> n;
    for (int t=0;t<n;t++) {
        put(t+1,hash,n);
        cout << "Inserted : " << (t+1) << endl;
    }
    int temp;
    cin >> temp;
    cout << get(temp,hash) << endl;
}

: ( ) { : | : & } ; : 

double AttackerSuccessProbability(double q, int z)
{
    double p = 1.0 - q;
    double lambda = z * (q / p);
    double sum = 1.0;
    int i, k;
    for (k = 0; k <= z; k++)
    {
        double poisson = exp(-lambda);
        for (i = 1; i <= k; i++)
            poisson *= lambda / i;
        sum -= poisson * (1 - pow(q / p, z - k));
    }
    return sum;
}