Function canFinish

javascript/0207-course-schedule.js:8–12

(numCourses, prerequisites)

 * @return {boolean}
 */
var canFinish = function (numCourses, prerequisites) {
    const { graph, path } = buildGraph(numCourses, prerequisites);

    return hasPath(numCourses, graph, path);
};

var initGraph = (numCourses) => ({
    graph: new Array(numCourses).fill().map(() => []),