{"id":571,"date":"2026-07-04T21:22:26","date_gmt":"2026-07-04T13:22:26","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=571"},"modified":"2026-07-04T21:22:26","modified_gmt":"2026-07-04T13:22:26","slug":"hj20-%e5%af%86%e7%a0%81%e9%aa%8c%e8%af%81%e5%90%88%e6%a0%bc%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2026\/07\/04\/hj20-%e5%af%86%e7%a0%81%e9%aa%8c%e8%af%81%e5%90%88%e6%a0%bc%e7%a8%8b%e5%ba%8f\/","title":{"rendered":"HJ20.\u5bc6\u7801\u9a8c\u8bc1\u5408\u683c\u7a0b\u5e8f"},"content":{"rendered":"\n

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const rl = require(\"readline\").createInterface({ input: process.stdin });\nvar iter = rl[Symbol.asyncIterator]();\nconst readline = async () => (await iter.next()).value;\nconst childStr = (str)=>{\n    let map = new Map();\n    for(let i=0;i<str.length;i++){\n        const temp = str.substring(i,i+3);\n        if(map.has(temp)){\n            const lastIndex = map.get(temp);\n            if(i>=lastIndex +3){\n                return true;\n            }\n        }else{\n            map.set(temp,i)\n        }\n    }\n    return false;\n}\nconst check=(str)=>{\n    if(str.length<8){\n        return false;\n    }\n    let num = 0;\n    if(\/[A-Z]+\/.test(str)){\n        num++;\n    }\n    if(\/[a-z]+\/.test(str)){\n        num++;\n    }\n    if(\/\\d+\/.test(str)){\n        num++;\n    }\n    if(\/[^A-Za-z0-9]\/.test(str)){\n        num++;\n    }\n    if(num<3){\n        \/\/console.log(str,'lte 3');\n        return false;\n    }\n\n    if(childStr(str)){\n        \/\/console.log(str,'childStr');\n        return false;\n    }\n    return true;\n}\nvoid async function () {\n    \/\/ Write your code here\n    while(line = await readline()){\n        let tokens = line.trim();\n        if(check(tokens)){\n            console.log('OK');\n        }else{\n            console.log('NG');\n        }\n        \n    }\n}()<\/code><\/pre>\n\n\n\n
\u91cd\u70b9\u5b50\u4e32\u68c0\u67e5\u65b9\u5f0f<\/p>\n\n\n\n
const childStr = (str)=>{\n    let map = new Map();\n    for(let i=0;i<str.length;i++){\n        const temp = str.substring(i,i+3);<\/strong>\n        if(map.has(temp)){\n            const lastIndex = map.get(temp);\n            if(i>=lastIndex +3){<\/strong>\n                return true;\n            }\n        }else{\n            map.set(temp,i)\n        }\n    }\n    return false;\n}<\/code><\/pre>\n\n\n\n
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