algorithmvisualizer/prims.html at master · harsh242/algorithmvisualizer · GitHub

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Greedy Techniques</title>
    <link href="https://fonts.googleapis.com/css2?family=Baloo+Tamma+2:wght@500;600&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
    integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
    <script src="https://code.jquery.com/jquery-3.4.1.slim.min.js"
    integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n"
    crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"
    integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo"
    crossorigin="anonymous"></script>
     <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"
    integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6"
    crossorigin="anonymous"></script>
    <link rel="stylesheet" href="style.css">
    <script src="prims.js"></script>
    <link rel='icon' href='https://upload.wikimedia.org/wikipedia/commons/3/39/Identity_graph2.svg'>
</head>
<body>

  <nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
    <a class="navbar-brand" href="index.html">Greedy Techniques</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo02" aria-controls="navbarTogglerDemo02" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>

    <div class="collapse navbar-collapse" id="navbarTogglerDemo02">
      <ul class="navbar-nav ml-auto mt-2 mt-lg-0">
        <li class="nav-item ">
          <a class="nav-link" href="huffman.html">Huffman Coding</a>
        </li>
        <li class="nav-item active" >
          <a class="nav-link" href="prims.html" >Prim's algorithm</a>
        </li>
        <li class="nav-item" >
          <a class="nav-link" href="knapsack.html" >Knapsack Problem</a>
        </li>
        <li class="nav-item" >
          <a class="nav-link" href="task.html">Task Scheduling</a>
        </li>
        <li class="nav-item " >
          <a class="nav-link" href="djikstra.html">Single Source Shortest Path</a>
        </li>
      </ul>
    </div>
  </nav>
    <br>
    <br>
    <section class="container mt-5">
        <div class="jumbotron ">
          <h1 >Prim's Algorithm</h1>
          <p class="lead">About the algorithm:</p><hr>
          <p>Prim's algorithm is a minimum spanning tree algorithm that takes a graph as input and finds the subset of the edges of that graph which </p>
          <ul>
              <li> forms a tree that includes every vertex</li>
              <li>has the minimum sum of weights among all the trees that can be formed from the graph</li>
          </ul>
          <hr>
          <h3>Time Complexity:O(ElogV)</h3>
        </div>
      </section>

      <section>
        <div class="container mb-5">
        <div class="row">
        <div class="col-lg-4">
        <div class="card bg-light">
          <h5 class="card-header">Input:</h5>
          <div class="card-body">
            <div class="input-group">
                <p>Enter the number of vertices in your graph:</p>
                <input type="number" id="vertices" class="form-control">
                <div class="input-group-append" id="button-addon4">
                    <button class="btn btn-info" id="button" type="button">Submit</button>
                </div>
            </div>
          </div>
        </div>
      </div>

      <div class="col-lg-8 " id="table" style="visibility: hidden;">
        <div class="card bg-light">
          <h5 class="card-header">Output:</h5>
          <div class="card-body">
            <div class="container table-responsive fixed-table-body" >
                <table class="table">
                    <thead>
                        <tr id="table_headers">
                        </tr>
                    </thead>
                    <tbody id="table_body">
                    </tbody>
                </table>
                <button class="btn btn-block btn-info" id="process">Process</button>
            </div>

          </div>
        </div>
      </div>
    </div>
  </div>
  </section>
    <div class="container">

    </div>
    <br>
    <br>

    <script>

        var vertices = 0;
        var array = [];
        var graph = [];

        $("#button").on('click', function (create_matrix) {
            remove_old_table();
            var th = document.createElement("th");
            vertices = document.getElementById("vertices").value;
            th.innerHTML = "#";
            $("#table_headers").append(th);
            for (let index = 0; index < vertices; index++) {
                var header = document.createElement("th");
                header.innerHTML = index;
                $("#table_headers").append(header);
                var row = document.createElement("tr");
                th = document.createElement("th");
                th.innerHTML = index;
                row.append(th);
                for (let i = 0; i < vertices; i++) {
                    td = document.createElement("td");
                    if (!(index == i))
                        td.innerHTML = "<input placeholder=\"Value\" type=\"Number\" id=\"" + index + "" + i + "\">"
                    else
                        td.innerHTML = "<input value=0 type=\"Number\" disabled id=\"" + index + "" + i + "\">"
                    row.append(td);
                }
                $("#table_body").append(row);
            }
            $("#table").css("visibility", "visible");
        })

        function remove_old_table() {
            $("#table_body").html("");
            $("#table_headers").html("");
        }

        $("#process").on('click', function (process) {
            array = [];
            graph = [];
            for (let i = 0; i < vertices; i++) {
                for (let j = 0; j < vertices; j++) {
                    index = "" + i + "" + j;
                    array.push(document.getElementById(index).value);
                }
                graph.push(array);
                array = [];
            }
            main(graph, vertices, display_MST);
        })

        function display_MST(parent, graph) {
            remove_old_table();
            var th = document.createElement("th");
            th.innerHTML = "#";
            $("#table_headers").append(th);
            var header1 = document.createElement("th");
            header1.innerHTML = "Edge";
            var header2 = document.createElement("th");
            header2.innerHTML = "Weight";
            $("#table_headers").append(header1);
            $("#table_headers").append(header2);
            for (let index = 1; index < parent.length; index++) {
                var row = document.createElement("tr");
                th = document.createElement("th");
                th.innerHTML = index;
                row.append(th);
                td = document.createElement("td");
                td.innerHTML = parent[index] + ' - ' + index;
                row.append(td);
                td = document.createElement("td");
                td.innerHTML = graph[index][parent[index]];
                row.append(td);
                $("#table_body").append(row);
            }
        }

    </script>
</body>

</html>