题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
const readline = require('readline');
const data: string[] = [];
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
rl.on('line', function (line) {
data.push(line);
});
rl.on('close', () => {
const cutStr = data[0].slice(0, Number(data[1]));
console.log(cutStr);
})
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