<?php
    $user_info = file_get_html('https://www.codechef.com/users/tarango_khan')->plaintext;
    $user_info = "User Info of the user is: ".$user_info;
    echo $user_info;
    $start_pos1 = strpos ($user_info , "Successfully Solved:") + 23;
    $last_pos1 = strpos ( $user_info , "Problems Partially Solved");
    $Len1 = $last_pos1 - $start_pos1;
    $problem_list = substr($user_info, $start_pos1 , $Len1-1);
    $problem_list = trim($problem_list);
    $problem_list = preg_replace('/\s+/', ' ', $problem_list);
    $problem_list = mysql_real_escape_string( $problem_list);

    //echo "<br>Problem List : ".$problem_list."<br>";

    $Size = strlen($problem_list);
    $val = "";
    $contest = array();
    $problems = array();
    $c1 = 0;
    $c2 = 0;
    for($i = 0;$i<$Size;$i++){
        $ch = substr($problem_list, $i , 1);
        if(strcmp($ch, " ") == 0){
            if(strlen($val) == 0) continue;
            $problems[$c2] = $val;
            $val = "";
            $c2++;
        }else if(strcmp($ch, ",") == 0){
            if(strlen($val) == 0) continue;
            $problems[$c2] = $val;
            $val = "";
            $c2++;
        }else if(strcmp($ch, ":") == 0){
            if(strlen($val) == 0) continue;
            $contest[$c1] = $val;
            $val = "";
            $c1++;
        }else{
            $val = $val.$ch;
        }

    }
    if(strlen($val) != 0){
        $problems[$c2] = $val;
    }

    echo "Participated in Contests: ";
    foreach ($contest as &$value) {
        echo $value." ";
    }
    echo "<br>";
    echo "List of Solved Problems: ";
    foreach ($problems as &$value) {
        echo $value." ";
    }
    echo "<br>";

?>