题解 | 进制转换
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
const readline = require('readline');
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
const enumArr = {
"0":0,
"1":1,
"2":2,
"3":3,
"4":4,
"5":5,
"6":6,
"7":7,
"8":8,
"9":9,
"A":10,
"B":11,
"C":12,
"D":13,
"E":14,
"F":15
}
rl.on('line', function (line) {
let num=0;
line = line.slice(2);
line.split('').map((item,index)=>{
num =num + enumArr[item]*Math.pow(16,line.length-1-index)
})
console.log(num)
});
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