Solution.ts

function minimumOperations(nums: number[], start: number, goal: number): number {
    const n = nums.length;
    const op1 = function (x: number, y: number): number {
        return x + y;
    };
    const op2 = function (x: number, y: number): number {
        return x - y;
    };
    const op3 = function (x: number, y: number): number {
        return x ^ y;
    };
    const ops = [op1, op2, op3];
    let vis = new Array(1001).fill(false);
    let quenue: Array<Array<number>> = [[start, 0]];
    vis[start] = true;
    while (quenue.length) {
        let [x, step] = quenue.shift();
        for (let i = 0; i < n; i++) {
            for (let j = 0; j < ops.length; j++) {
                const nx = ops[j](x, nums[i]);
                if (nx == goal) {
                    return step + 1;
                }
                if (nx >= 0 && nx <= 1000 && !vis[nx]) {
                    vis[nx] = true;
                    quenue.push([nx, step + 1]);
                }
            }
        }
    }
    return -1;
}