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"title" : "Counter II" ,
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"content" : "<p>Write a function <code>createCounter</code>. It should accept an initial integer <code>init</code>. It should return an object with three functions.</p>\n\n<p>The three functions are:</p>\n\n<ul>\n\t<li><code>increment()</code> increases the current value by 1 and then returns it.</li>\n\t<li><code>decrement()</code> reduces the current value by 1 and then returns it.</li>\n\t<li><code>reset()</code> sets the current value to <code>init</code> and then returns it.</li>\n</ul>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> init = 5, calls = ["increment","reset","decrement"]\n<strong>Output:</strong> [6,5,4]\n<strong>Explanation:</strong>\nconst counter = createCounter(5);\ncounter.increment(); // 6\ncounter.reset(); // 5\ncounter.decrement(); // 4\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> init = 0, calls = ["increment","increment","decrement","reset","reset"]\n<strong>Output:</strong> [1,2,1,0,0]\n<strong>Explanation:</strong>\nconst counter = createCounter(0);\ncounter.increment(); // 1\ncounter.increment(); // 2\ncounter.decrement(); // 1\ncounter.reset(); // 0\ncounter.reset(); // 0\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>-1000 <= init <= 1000</code></li>\n\t<li><code>0 <= calls.length <= 1000</code></li>\n\t<li><code>calls[i]</code> is one of "increment", "decrement" and "reset"</li>\n</ul>\n" ,
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"translatedTitle" : "计数器 II" ,
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"translatedContent" : "<p>请你写一个函数 <code>createCounter</code>。这个函数接收一个初始的整数值 <code>init</code>。并返回一个包含三个函数的对象。</p>\n\n<p>这三个函数是：</p>\n\n<ul>\n\t<li><code>increment()</code> 将当前值加 1 并返回。</li>\n\t<li><code>decrement()</code> 将当前值减 1 并返回。</li>\n\t<li><code>reset()</code> 将当前值设置为 <code>init</code> 并返回。</li>\n</ul>\n\n<p> </p>\n\n<p><strong class=\"example\">示例 1： ： ,
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"code" : "/**\n * @param {integer} init\n * @return { increment: Function, decrement: Function, reset: Function }\n */\nvar createCounter = function(init) {\n \n};\n\n/**\n * const counter = createCounter(5)\n * counter.increment(); // 6\n * counter.reset(); // 5\n * counter.decrement(); // 4\n */" ,
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"code" : "type ReturnObj = {\n increment: () => number,\n decrement: () => number,\n reset: () => number,\n}\n\nfunction createCounter(init: number): ReturnObj {\n\t\n};\n\n/**\n * const counter = createCounter(5)\n * counter.increment(); // 6\n * counter.reset(); // 5\n * counter.decrement(); // 4\n */" ,
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