题解 | #农场智能管理系统#

/**
 * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
 *
 *
 * @param requirements string字符串
 * @param allocations string字符串
 * @return string字符串
 */
function can_construct(requirements, allocations) {
    // write code here
    let reqObj = {};
    let allocObj = {};

    for (const key of requirements) {
        if (!reqObj.hasOwnProperty(key)) {
            reqObj[key] = 1;
        } else {
            reqObj[key]++;
        }
    }

    for (const key of allocations) {
        if (!allocObj.hasOwnProperty(key)) {
            allocObj[key] = 1;
        } else {
            allocObj[key]++;
        }
    }

    if (Object.keys(reqObj).length !== Object.keys(allocObj).length) {
        return 'NO'
    }

    for (const key of Object.keys(reqObj)) {
        if (reqObj[key] > allocObj[key] || !allocObj[key]) {
            return 'NO'
        }
    }

    return 'YES'
}
module.exports = {
    can_construct: can_construct,
};