Permutations

Extraits de code

curl "https://api.oanor.com/combinatorics-api/v1/permutations" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/combinatorics-api/v1/permutations", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/combinatorics-api/v1/permutations");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/combinatorics-api/v1/permutations",
    headers={"x-oanor-key": "oanor_test_..."}
)

Exemple de réponse

Une réponse réelle de ce endpoint, capturée lors du dernier contrôle de santé.

{
    "data": {
        "note": "Permutations without repetition: nPr = n!/(n−r)! ordered arrangements of r items from n.",
        "inputs": {
            "n": 10,
            "r": 3,
            "repetition": false
        },
        "formula": "n! / (n − r)!",
        "permutations": {
            "exact": "720",
            "digits": 3,
            "approximate": 720
        }
    },
    "meta": {
        "timestamp": "2026-06-05T11:30:32.128Z",
        "request_id": "72a4365b-f917-4e8e-bb7d-2f2a9604776c"
    },
    "status": "ok",
    "message": "Permutations",
    "success": true
}