746-Min-Cost-Climbing-Stairs.ts

function minCostClimbingStairs(cost: number[]): number {
    cost.push(0);

    for (let i = cost.length - 3; i > -1; i--) {
        cost[i] += Math.min(cost[i + 1], cost[i + 2]);
    }

    return Math.min(cost[0], cost[1]);
}