[JavaScript PAT乙級題解] 1001 害死人不償命的(3n+1)猜想

[JavaScript PAT乙級題解] 總目錄 

var readline = require('readline');
var rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});
rl.on('line', function(n) {
    var i = 0;
    while(n != 1) {
        if (n % 2 === 0){
            // == 值相等
            // === 值相等且類型相同
            n = n / 2;
        }else{
            n = (3*n+1) / 2;
        }
        i = i +1;
    }
    console.log(i);
    rl.close();
})