leetcode-contest-cheating-filter.js

async function run() {
const contest = 169;
const pages = [...Array(25).keys()].map(v => v + 1);
const question_id = 1429;
const is_cheating = function(code) {
    const words = [/*"MONEY", "POINT",*/ "HOPE", "SATURN", "SEIS", "GEMINI", "ELM", "YOUVE", "PLANETS", "PEOPLE", "EHGEEE", "CANCER", "FBCDE", "TWENTY", "TREES", "EUROPE", "ABCDE", "NOVENTA", "EAII", "FUNNY", "ADICG", "FALSE", "TRUE", "EEIE", "THREE", "DHCF", "DHBADI", "INDEED"];
    let score = 0;
    for (const word of words) {
        if (code.indexOf(word) != -1) {
            score += 1;
        }
    }
    return score > 2;
}
for (const page of pages) {
    console.log("Page: " + page);
    const r = await fetch(`https://leetcode.com/contest/api/ranking/weekly-contest-${contest}/?pagination=${page}&region=global`, {
        "credentials": "include",
        "referrer": `https://leetcode.com/contest/weekly-contest-${contest}/ranking/${page}/`,
        "method": "GET",
        "mode": "cors"
    });
    const d = await r.json();
    for (const index of Array(25).keys()) {
        const submission_id = d.submissions[index][question_id].submission_id;
        const data_region = d.submissions[index][question_id].data_region;
        let data_url;
        if (data_region == "CN") {
            data_url = "leetcode-cn.com"
        }
        else {
            data_url = "leetcode.com"
        }
        const submission = await fetch(`https://${data_url}/api/submissions/${submission_id}/`, {
            "credentials": "omit",
            "referrer": `https://leetcode.com/contest/weekly-contest-${contest}/ranking/${page}/`,
            "method": "GET",
            "mode": "cors"
        });
        const submission_data = await submission.json();
        if (is_cheating(submission_data.code)) {
            console.log(`CHEATING: page ${page}, rank ${index + 1} (${d.total_rank[index].rank}), username ${d.total_rank[index].username} (${d.total_rank[index].user_slug}), region ${d.total_rank[index].data_region}`);
        }
    }
}
}
run();