题解 | #最长回文子串#
最长回文子串
https://www.nowcoder.com/practice/12e081cd10ee4794a2bd70c7d68f5507
forloop双层循环闭眼算法，完整代码如下：
while (line = readline()) {
let maxLen = 0;
for (let i = 0; i < line.length; i++) {
for (let j = i+1; j < line.length; j++) {
let str = line.slice(i, j+1);
if ( str == str.split('').reverse().join('') && str.length > maxLen) {
maxLen = str.length;
}
}
}
console.log(maxLen);
}
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